Margaret L. McNairy, MD, MSc
David C. and Betty Farrell Professor of Medicine, Chief – Division of General Medicine & Geriatrics, and Chief – Division of Hospital Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
- Email: mcnairy@nospam.wustl.edu
Michael Lin, MD, SFHM
Section Chief of Hospital Medicine, Associate Professor of Medicine
- Phone: 314-362-1700
- Fax: 314-362-9878
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.
