People
Han Li, MD
Assistant Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Han Li, MD, is an Assistant Professor of Medicine in the Division of Hospital Medicine. She attends on direct care and medicine resident teaching services at Barnes Jewish Hospital, Barnes West County, and The Rehab Institute of St. Louis. Her academic interests are in medical education, quality improvement, clinical decision support and user design. She serves as a Deputy Editor at UpToDate, a continuously updated resource providing evidence-based and actionable recommendations guiding clinicians at the point of care.
She previously served as the Director of Quality Improvement and Patient Safety for the Division of Hospital Medicine. Previous work has included creation of the WashU COVID Care Manual, implementation of a sepsis detection alert, and improvement of antibiotic delivery to patients with septic shock.
Michael Lin, MD, SFHM
Chief, Section of Hospital Medicine
Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Patricia Litkowski, MD
Associate Professor of Medicine
Parkview Tower Hospitalist Director
- Phone: 314-362-1700
- Fax: 314-362-9878
Adam Littich, MD
Associate Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Adam Littich, MD is an Associate Professor of Medicine and the Medical Director of the Hospitalist Service at Barnes-Jewish West County Hospital (BJWCH). He is the Chief of Staff at BJWCH until 2026, where he represents the entire medical staff and serves as a liaison between the hospital and the physicians and other providers. He is active in leadership at BJWCH, being involved in all aspects of the delivery of inpatient care. He is a member of multiple committees and has a strong interest in quality improvement and high value inpatient care. In addition to his leadership roles, he continues to enjoy direct patient care as a full-time hospitalist at BJWCH. Dr. Littich also educates future physicians via the medicine teaching services (FIRM Medicine, Procedure Team) at Barnes-Jewish Hospital. He has been a member of the Division of Hospital Medicine since 2012.
Sonya Liu, MD
Assistant Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Sonya Liu, MD, is an Assistant Professor of Medicine in the Division of Hospital Medicine and enjoys working on a variety of different inpatient hospitalist services including general hospitalist service, medicine firm teaching service, nocturnist/admitter, ED hospitalist, oncology/BMT service, Barnes West County, and medical consultation services at TRISL. She used to serve on the Washington University School of Medicine Committee on Admissions to review and rate applications as part of the medical student admissions process. Currently, she serves on the hospitalist Patient Care Operations committee as well as the hospitalist orientation committee. Her areas of interest include teaching medical students and residents, antimicrobial stewardship, and optimizing transitions of care (for example, medication reconciliation on admission and discharge).
Francis Loh, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Francis Loh, MD, joined the Division of Hospital Medicine in the Department of Internal Medicine as an Instructor in July of 2025. He was born in Saint Louis and subsequently lived in Japan and New Jersey. He attended Harvard University and graduated with a bachelor’s degree in applied mathematics with a focus on statistics. He returned to Saint Louis and received his medical degree in 2021 from Washington University School of Medicine in St. Louis. Loh completed his internship and residency at Barnes-Jewish Hospital/WashU School of Medicine in 2024. He then joined the Division of Internal Medicine in 2024 as Chief Resident at Barnes-Jewish/WashU School of Medicine where he advocated fiercely for resident workflow, quality of life, and educational improvements and taught residents and medical students clinical reasoning. Loh’s current areas of interest include general internal medicine with focus on medical education, clinical reasoning, and helping those around him rise.
Ningning Ma, MD
Assistant Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Ningning Ma, MD, is an Assistant Professor of Medicine in the Division of Hospital Medicine. She completed internal medicine residency at Washington University in St. Louis/Barnes-Jewish Hospital. She is a member of the patient care operations committee. Her primary role is direct care of hospitalized patients at Barnes-Jewish Hospital. She has a particular interest in nocturnist medicine and nighttime resident education.
Sarakshi Mahajan, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Sarakshi Mahajan, MD, joined the Division of Hospital Medicine in the Department of Internal Medicine as a clinical instructor in July, 2023. She recently completed her fellowship in geriatrics from University of Arkansas Medical Sciences in June, 2023. Her special clinical interests encompass inpatient medicine, with emphasis on patient safety and quality improvement, medical education, geriatric medicine and improvement of elderly care in hospitals, neuro-cognitive disorders, and public health. Her research interests include microbiome and its role in neuro-cognitive impairment, role of artificial intelligence in medicine, improving outcomes in patients with delirium, and identifying and reducing caregiver stress.
Khalid Mahmood, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Khalid Mahmood, MD, is an Instructor in Medicine in the Division of Hospital Medicine and works primarily on the Oncology and Bone Marrow Transplant service as a hospitalist. His main area of interest is improving the quality of care amongst patients admitted to Oncology/BMT service. He is also involved in clinical research within the realm of oncology, which aids in the management of the complex medical problems of solid organ and leukemia patients. He serves as an active member of the Oncology/BMT committee which mainly focuses on QA/QI projects to further improve this growing niche of hospital medicine.
Robert Mahoney, MD, FACP, SFHM
Associate Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Robert Mahoney, MD, FACP, SFHM, is an Associate Professor of Medicine at Washington University. He serves as Vice Chief of Clinical Efficiency for the Division of Hospital Medicine and Lead Utilization Management Physician Advisor for Barnes-Jewish Hospital. He chairs the Hospital Medicine division’s Education Committee and Barnes-Jewish Hospital’s Health Information Management committee; he co-chairs the Hospital’s Laboratory Stewardship committee and serves on School of Medicine’s Committee on Admissions. He attends on the direct care and teaching (Firm) services at Barnes-Jewish Hospital and the internal medicine consult service and the bedside procedure service. His expertise includes medical coding and documentation, health information management, medical education, evidence-based medicine, and case management and care progression. He is certified in physician-based coding and has been named Fellow of the American College of Physicians, Senior Fellow of the Society of Hospital Medicine, and a Castle Connolly Top Doctor.
Hannah Markova, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Hannah Markova joined the Division of Hospital as an Instructor in Medicine in June 2024. She was born and raised here in St. Louis, Missouri. She went on to attend the University of Cincinnati after receiving a scholarship to play Division I tennis. She graduated summa cum laude with university honors in 2016 with a major in biology and a minor in chemistry. Dr. Markova received the Helen Weinberger Prize, awarded to the top three graduating seniors in Phi Beta Kappa by GPA, as well as the Academic All-American award for her achievements as a student-athlete. After college, she completed a year of research focusing on potential biomarkers for glioblastoma in the Saint Louis University Department of Pharmacology and Physiology. Dr. Markova went on to receive her medical degree in 2021 from the University of Missouri. During her time in medical school, she was inducted into the Alpha Omega Alpha Honor Medical Society and served as the Education Chair for her medical school’s Global Health journal club. Dr. Markova completed her internship and residency at Barnes-Jewish Hospital/Washington University School of Medicine in St. Louis prior to joining the division in 2024. Her clinical interests are general inpatient care with a special interest in infectious disease and quality improvement, as well as the clinical education of medical students and residents.
Nathan Martin, MD
Associate Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Nathan Martin, MD, is an Associate Professor of Medicine and Senior Fellow in Hospital Medicine (SFHM) with primary focus and interest in the care of hospitalized medical patients. He completed residency here at WashU/BJH in 2008 and has been on the faculty ever since. He spends the vast majority of his time taking care of patients either independently as a traditional Hospitalist, or while supervising residents and medical students on the Firm service. In addition, he spends time providing medical consultations for other services and attends on the Medicine Procedure service performing various procedures including lumbar punctures and paracentesis. While clinical care is the mainstay of his interest and what he feels is most essential as a Hospitalist, he also co-directs our Medicine Triage Attending (MTA) service. He co-founded the MTA service in July 2020 and remains a leader in ensuring the service continues to be successful. The MTA service triages all medicine patients from the ED, from direct admission locations, as well as from outside hospitals – we always try to ensure the right patient is on the right service at the right time.
Cheryl McDonough, MD
Assistant Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Cheryl McDonough, MD, is an Assistant Professor of Medicine in the Division of Hospital Medicine and attends on a variety of services including the inpatient medicine teaching service and direct care hospitalist service and serves as a medical consultant at the Rehab Institute of St Louis. She is interested in medical education, particularly in modeling effective and empathetic patient and family communication skills. She is a member of the Division of Hospital Medicine Patient Safely and Quality Improvement committee and serves as a BJH Case Management Physician Advisor.
Margaret L. McNairy, MD, MSc
David C. and Betty Farrell Professor of Medicine
Chief, Division of General Internal Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
- Email: mcnairy@wustl.edu
Nikita Melnikov, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Nikita Melnikov, MD joined the Department of Medicine in the Division of Hospital Medicine as a Clinical Instructor in July 2025.Originally from the southern seaside town of Taganrog, Russia, Melnikov moved to Moscow to attend Lomonosov Moscow State University Faculty of Medicine, where he graduated summa cum laude with a Doctor of Medicine degree. While in medical school, Melnikov honed his research skills, contributing to fundamental studies in Pathology, Biophysics, and Oncology. After graduation, he continued to conduct research, provide care to underserved populations, and started tutoring medical students. Melnikov took his passion for medicine, teaching, and community service to Waterbury, CT, where he completed his internal medicine internship and residency at Yale-Waterbury Internal Medicine program 2022-2025.
Priya Menon, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Priya Menon, MD, is an Instructor in Medicine in the Division of Hospital Medicine and predominantly works in the oncology and bone marrow transplant service as a hospitalist. She has a special interest in immuno-oncology, targeted therapy, and antibiotic stewardship. She is also motivated in teaching the residents and other learners rotating through oncology and BMT service. While here at WashU, she hopes to continue to work on her research and scholarly activities in the field of oncology. Dr. Menon is a member of the BMT and IDEAS committees.
Eric Mittauer, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Eric Mittauer, MD, joined the Division of Hospital Medicine in the Department of Internal Medicine as an Instructor in July of 2025. He was born in Honolulu, Hawaii and grew up across the country in Florida, Virginia, Connecticut, and Iowa. He attended college at the University of Iowa, graduating with honors in 2018 with a BS in Human Physiology and a minor in Biology. He attended medical school at Washington University in St. Louis, graduating in 2022. Mittauer completed internship and residency at WashU School of Medicine in St. Louis /Barnes-Jewish Hospital, graduating in 2025. After multiple stages of medical training at WashU/Barnes-Jewish Hospital, Mittauer is thrilled to stay on and join an accomplished group of hospitalists in providing excellence in patient care and medical education.
Yaman Mkhaimer, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Yaman Mkhaimer joined the Division of Hospital Medicine as an Instructor in Medicine in July 2024. He was born and raised in Amman, Jordan, where he received his medical degree at the Hashemite University of Jordan in 2016. In 2020, he moved to Minnesota to join the Mayo Clinic Nephrology and Hypertension Department as a research associate to further his interest in clinical research. Shortly after, he joined the University of Missouri Kansas City, where he completed his Internal Medicine residency prior to joining the division in 2024. Dr. Mkhaimer developed a compelling interest in the cardiology and heart failure fields, immersing himself in research studies with a particular focus on quality and outpatient follow-up improvement. He was even provided the opportunity to present several papers at the American College of Cardiology and the American Heart Association conferences. His present academic interests center around general Internal Medicine, with a specific inclination towards acute cardiovascular care, quality improvement initiatives, and employing multidisciplinary approaches to medical treatment.
Majd Mokbel, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Majd Mokbel, MD joined the Division of Hospital Medicine in the Department of Internal Medicine as an Instructor in July 2025, with a secondary appointment in the Department of Pediatrics, Division of Hospital Medicine. He started his journey at the University of Michigan Dearborn for his undergraduate studies, graduating with a double major in biochemistry and Spanish. Following graduation, Mokbel served in AmeriCorps City Year, working in a 6th grade math classroom in inner-city Detroit. Afterwards, Mokbel attended the University of Michigan Medical School, graduating in 2021. Throughout medical school, he helped lead the Project H community clinic which served unhoused individuals in the Detroit area, and the Medical Students of Middle Eastern Descent student group. In 2025, he completed his residency in combined Internal Medicine-Pediatrics at the University of Michigan where he led various refugee health initiatives. His continued clinical interests are in refugee health, medical education, and pediatric to adult care transitions.
Alyssa Moller, MD
Assistant Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Alyssa Moller, MD, is an Assistant Professor of Medicine in the Division of Hospital Medicine. She attends on a mix of hospitalist direct care, inpatient teaching service, medicine consults, and ED hospitalist. She is involved in several projects on the topic of addiction medicine aimed to enhance hospitalist education of important topics in addiction, improve inpatient Epic order sets for opiate use disorder, and increase implementation of medication assisted therapy for opiate abuse. She also interviews applicants for the IM residency program and serves on committees for hospitalist recruitment and compensation.
Zachary Morgan, MD
Assistant Professor of Medicine
Co-Director, Patient Care Operations
- Phone: 314-362-1700
- Fax: 314-362-9878
Monalisa Mullick, MD
Associate Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Monalisa Mullick, MD, serves as an Associate Professor of Medicine in the Division of Hospital Medicine within Internal Medicine and Pediatrics. Her primary interests lie in medical education, where she actively engages as a facilitator during intern and resident reports, attends on bedside procedure and teaching services. She has contributed to projects aimed at enhancing inpatient rounding processes. Additionally, her passion includes mentoring residents and students and promoting faculty and learner wellness.
Bashar Natour, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Bashar Natour, MD joined the Department of Medicine in the Division of Hospital Medicine as an Instructor in 2025. Born and raised in Amman, Jordan, he earned his medical degree from the Hashemite University Medical School in 2019 before moving to the United States to continue his training. Natour completed his internal medicine residency at Cook County Health from 2021 to 2024. As Chief Resident, Natour was heavily involved in medical education, leading morning report, journal club, ambulatory lecture series, and simulation lab sessions to enhance clinical reasoning and procedural skills among trainees. Natour’s clinical interests include hospital medicine, gastroenterology, and preventive care, with a focus on optimizing patient outcomes through evidence-based practice and quality improvement initiatives. He is particularly passionate about medical education, regularly mentoring medical students and residents to foster a culture of continuous learning and professional growth.
Nathan Neilson, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Nathan Andrew Neilson is an Instructor in Medicine at the Division of Hospital Medicine since June 2024. He graduated magna cum laude from Ohio State University with a biology major and minors in human nutrition and Spanish. Dr. Neilson received his medical degree from the University of Illinois College of Medicine, where he was inducted into the Alpha Omega Alpha Honors Society. He completed his internship and residency at Barnes-Jewish Hospital/Washington University School of Medicine. During residency, he participated in the Global Health Pathway, conducting HIV pre-exposure prophylaxis research in Accra, Ghana. Dr. Neilson actively contributes to LGBTQ+ community outreach and was involved in organizing a Pride festival in Peoria, Illinois.
Spoorthi Nutakki, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Spoorthi Nutakki is a dedicated Instructor in Medicine at Washington University School of Medicine’s Division of Hospital Medicine since July 2022. She provides comprehensive patient care at Barnes-Jewish Hospital and Barnes-Jewish West County Hospital, including day and night shifts throughout the year. Dr. Nutakki is responsible for developing treatment plans, collaborating with case management and social work for discharge planning, and supervising residents and medical students on the hospitalist service. She has contributed to quality improvement by training residents in ultrasound guided IV lines to reduce reliance on interventional radiology. Since 2020, Dr. Nutakki has actively managed and taught junior residents in the care of COVID-19 patients. Her commitment to education is reflected in her roles as an instructor in medicine, providing mentorship and guidance to junior residents and medical students.
Ahmad Obeidat, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Ahmad Obeidat joined the Division of Hospital Medicine as an Instructor in Medicine in June 2024. A native of Jordan, he graduated with honors from the Jordan University of Science and Technology in 2019. Dr. Obeidat's medical school experience was highlighted by his significant involvement in volunteer work, especially in refugee camps, where he collaborated with diverse international medical teams. Furthermore, Dr. Obeidat served as a national officer for the International Federation of Medical Students' Associations, where he advocated for medical education and fostered international cooperation to tackle global health challenges. Following his medical education, Dr. Obeidat completed his residency in internal medicine at MedStar Georgetown Washington Hospital\ Georgetown University in 2024. He was a distinguished and active resident in his program as he was elected to be the house-staff representative. His work focused on being a strong advocate for his peers, focusing on enhancing wellness and the working environment for his peer-residents, which underscored his dedication to the medical field. Dr. Obeidat is also passionate about education, having participated in the Teaching Physician Pathway to refine his teaching abilities. Dr. Obeidat is particularly interested in general inpatient medicine and critical care, actively engaging in quality improvement initiatives to elevate patient care through innovative research and practices.
Devin C. Odom, MD
Associate Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Devin Odom, MD, is an Associate Professor of Medicine with the Division of Hospital Medicine at Washington University School of Medicine and recently completed a fellowship in Palliative Medicine. He will also join the Division of Palliative Medicine this fall. He completed training in Internal Medicine at WashU in 2013. Dr. Odom has focused his career on communication skills education beyond residency training. He developed and directs the BJC Communication Skills Academy which provides experiential learning opportunities for providers across the School of Medicine and BJC to practice difficult conversations and Advance Care Planning in a safe small group environment. Ongoing research is evaluating the impact of this work on provider and patient satisfaction and clinical outcomes. Dr. Odom also chairs the Division of Hospital Medicine’s EMR efficiency task force to improve EMR workflow and streamline provider level improvements.
Jessica Ohemeng-Dapaah, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Jessica Ohemeng-Dapaah, MD joined the Department of Medicine in the Division of Hospital Medicine as an Instructor in July 2025. She earned her Bachelor of Science in Human Biology from the University of Science and Technology in Ghana, West Africa, in 2011. She then completed her medical degree, a Bachelor of Medicine and Surgery, in 2014. Ohemeng-Dapaah later relocated to the United States to pursue a career in Internal Medicine. She completed her internship and residency at SSM St. Mary’s Hospital in St. Louis, Missouri. Her clinical interests lie in internal medicine, with a special focus on hematologic conditions and cancer care. Ohemeng-Dapaah is passionate about reducing healthcare disparities and working to bridge the socioeconomic gaps that impact patient care. In addition to her clinical work, she is actively engaged in research and has published several peer-reviewed articles in medical journals.
Ali Osman, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Ali Osman, MBBS, is an Instructor in Medicine within the Division of Hospital Medicine and a member of the Royal College of Physicians UK. He plays a dynamic role across various areas within the Hospital Medicine Division, demonstrating flexibility and commitment to patient care, research, and medical education. With a keen interest in retrospective clinical research, particularly in gastrointestinal diseases, Dr. Osman has been actively involved in publishing articles and contributing to scholarly publications. His dedication to advancing medical knowledge is evident through his ongoing participation in research endeavors and his role within the research committee of the division.
Shuchi Pandey, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Shuchi Pandey, MD, joined the Division of Hospital Medicine as an Instructor in July 2025. Originally from India, Dr. Pandey earned her medical degree from the University of Delhi in 2021. She is a proud graduate of Lady Hardinge Medical College, India’s first all-women’s medical school, founded in 1914 to improve healthcare access for women and reduce gender disparities in the medical profession. During her medical training, Dr. Pandey completed her internships at SSKH and KSCH hospitals, which provide subsidized tertiary healthcare services to a sizable underprivileged population in New Delhi. She then moved to Washington, D.C., where she completed her internship and residency in 2025 at MedStar Health Georgetown/Washington Hospital Center. Dr. Pandey now looks forward to fostering a shared enthusiasm for medicine with her junior colleagues in her new role as a clinician educator at Barnes-Jewish Hospital/Washington University School of Medicine in St. Louis. Her clinical interests are varied and include inpatient medicine, pulmonary and critical care, and medical education.
Brandon Parker, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Brandon Parker, MD, is an Instructor in Medicine in the Division of Hospital Medicine. He joined the division in 2022 after completing residency at the University of Texas Dell Medical School in Austin, Texas. He currently serves as an attending physician on multiple services including hospitalist, cardiology, oncology, renal transplant, and emergency department hospitalist. He serves on the recruitment committee for the division. He enjoys bedside teaching on resident teams and individually with students and interns on the hospitalist service. His areas of clinical interest include point-of-care ultrasound, inpatient palliative care, medical education for students and residents, and continuing medical education for interdisciplinary professions such as advances practice clinicians and nursing staff.
Cameron Parker, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Cameron Parker joined the Department of Medicine in the Division of Hospital Medicine as an Instructor in November 2025. He was born and spent his early years in Oklahoma before moving to Alabama. He attended the University of Alabama at Birmingham, and he graduated in 2010 with a degree in Civil Engineering. After briefly working in engineering, he chose to change fields to pursue a career in medicine. He went back to college and completed a post-baccalaureate degree with a major in Biology and a minor in Chemistry. His post-baccalaureate years solidified his desire to serve others, as he volunteered to bring improved access to healthcare in Alabama's rural communities. He received his medical degree from the University of Alabama at Birmingham School of Medicine. Dr. Parker completed his internship and residency at Virginia Commonwealth University in Richmond, Virginia, in 2021. His areas of clinical interest include general internal medicine with a focus on inpatient care, underserved patient populations, and preventative care.
Mrunal Patel, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Mrunal Patel, MD is an Instructor in Medicine in the Division of Hospital Medicine at Washington University. He completed his Internal Medicine residency at Trumbull Regional Medical Center, Ohio, where he gained extensive experience in managing a diverse range of complex medical cases. Originally from Gujarat, India, he pursued his medical degree at Smt. NHL Municipal Medical College and has been dedicated to providing compassionate and evidence-based patient care. Patel developed a passion for internal medicine during his clinical rotations, appreciating the specialty’s emphasis on diagnostic reasoning and patient-centered care. With a particular interest in inpatient care, quality improvement, and evidence-based medicine, Patel is dedicated to optimizing patient outcomes through personalized treatment plans. He looks forward to providing effective and efficient care to his patients as a hospitalist.
Rushin Patel, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Rushin Patel joined the Division of Hospital Medicine as an Instructor in Medicine in July 2024. He grew up in Ahmedabad, India, where he also obtained his medical degree from BJ Medical College, Ahmedabad, in 2017 through Gujarat University. Dr. Patel's professional journey includes completing his internship and residency at SSM Health St. Mary’s Hospital, St. Louis, MO, in 2022. Post-residency, Dr. Patel served as an internal medicine hospitalist at the Community Hospital of San Bernardino, CA, for two years before transitioning to the Hospital Medicine Division in 2024. He finds fulfillment in patient care, especially in providing comprehensive treatment and support to vulnerable patients. Dr. Patel has been very active and engaged in scholarly and research activities and has published various peer-reviewed publications, including meta-analyses, case reports, literature reviews, etc.
Zalak Patel, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Zalak Patel assumed the role of Instructor in Medicine in the Division of Hospital Medicine in July 2024. Originally from Ahmedabad, India, she earned her medical degree from Gujarat University in 2019 after attending Smt. N.H.L. Municipal Medical College, Ahmedabad. After graduating, she served as a medical officer in various Indian hospitals, focusing on providing healthcare to the less privileged population of India. During her time in India, Dr. Patel also volunteered at the Blind People Association, where she played a significant role in creating audiobooks for visually impaired physiotherapy students. Dr. Patel relocated to the USA in 2021 and completed her internship and residency at the University of California, Riverside School of Medicine, St. Bernardine Medical Center, CA, before joining the hospital medicine division at Washington University in 2024. Throughout her training, she demonstrated a wide range of interests and actively participated in numerous research projects and quality improvement initiatives. Dr. Patel is extremely passionate about teaching and dedicated to working with both medical students and residents. Her primary focus in medicine lies in general internal medicine with an emphasis on inpatient care, and she has a particular interest in rheumatology.
Kirtan Patolia, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Kirtan Patolia, MD joined the Division of Hospital Medicine in the Department of Internal Medicine as an Instructor in Medicine in July of 2025. He completed medical school at B.J. Medical College, Ahmedabad in India, before moving to Chicago for an Internal Medicine residency at John H. Stroger Jr., Hospital of Cook County. His desire to become an academic hospitalist stems from his passion for clinical reasoning and teaching. He harbors a deep appreciation for collaborative teamwork, which is essential for lifelong learning, and highlights the importance of respectful interactions among team members to optimize patient care. His passion for diagnostic curiosity resonates with the pragmatic attitude and zeal for clinical excellence seen at WashU School of Medicine in St. Louis.
Mirjana Petrovic Elbaz, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Mirjana Petrovic Elbaz, MD, joined the Department of Medicine in the Division of Hospital Medicine as an Instructor in Medicine in July 2023. Dr. Petrovic Elbaz completed her training at Icahn School of Medicine at Mount Sinai, Bronx, New York. During her residency she enjoyed teaching medical students and working in research group with residents. She continued her education in Internal Medicine serving as PGY4 Chief Resident at Jacobi Medical Center /North Central Bronx Hospital, Albert Einstein College of Medicine, Internal Medicine residency program prior to joining the Division of Hospital Medicine. Her academic interests include general inpatient medicine with special interest in cardiovascular diseases and clinical research. Dr. Petrovic Elbaz looks forward to providing care for her patients and teaching students and residents as a member of the Division of Hospital Medicine.
Mark Pinkerton II, MD
Assistant Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Mark Pinkerton, MD, is an Assistant Professor of Medicine in the Division of Hospital Medicine. He joined the division in 2019 after completing his residency at Washington University in St. Louis. He serves as an attending physician on a variety of services including general hospitalist, medical oncology, bone marrow transplant, emergency department hospitalist, nocturnist, and medicine triage. He works at BJH as well as Barnes-Jewish West County. He serves on the recruitment committee for the division. He enjoys teaching medical students and resident physicians in the clinical setting. Areas of interest include care of the hospitalized patient and antibiotic stewardship.
Thabet Qapaja, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Dr. Thabet Qapaja assumed the role of Instructor in Medicine within the Division of Hospital Medicine in July 2024. Born and raised in Amman, Jordan, he has always been driven by a passion for medicine. He attended the University of Jordan School of Medicine, graduating with honors in 2018. Dr. Qapaja completed his internship and residency at the Cleveland Clinic Main Campus, Cleveland, OH, from 2019 to 2022. Following his residency, he served as a hospitalist and Clinical Assistant Professor of Medicine at the Cleveland Clinic/Cleveland Clinic Lerner College of Medicine (CCLCM) of Case Western Reserve University, Cleveland, OH, from 2022 to 2024 before joining the Department of Internal Medicine at Washington University, St. Louis, in 2024. Throughout his training, he engaged in various interests and participated in numerous research projects. He finds great fulfillment in teaching and collaborating with medical students and residents.
Patricia Quinley, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Patricia Quinley, MD, is an Instructor in Medicine in the Division of Hospital Medicine and works primarily as a hospitalist in the Pulmonary Progressive Care Unit where she is the Medical Director. She has been a hospitalist at Barnes Jewish Hospital since 1993 in multiple roles. She currently works with a multidisciplinary team that focuses on patients with prolonged intensive care unit stays who require ongoing medical management as well as intensive rehabilitation in order to successfully transition to home.
Adnan Qureshi, MD
Instructor in Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
Adnan Qureshi, MD, joined the Department of Medicine in the Division of Hospital Medicine as an Instructor in July 2025. Originally from Pakistan, he earned his medical degree on a full scholarship from Nishtar Medical College. Following medical school, he worked extensively as a medical officer in cardiology CCU and ER, providing care to underserved patient populations and managing a diverse range of patients. Additionally, he served as a general practitioner in an urgent care center, providing primary care services to patients with various medical needs. He then spent nearly three years at the University of Louisville researching the impact of HIV and SARS-CoV-2 on cardiovascular complications. After his research work, Qureshi completed his internal medicine residency at St. Barnabas Hospital in Bronx, New York. His current areas of interest are General Internal Medicine with a focus on inpatient care and with a special interest in cardiology.








