Jaime Flores-Ruiz, MD

Jaime Flores-Ruiz, MD

Instructor in Medicine

Dr. Jaime Flores-Ruiz, MD, holds the position of Instructor in Medicine in the Division of Hospital Medicine. In this role, he serves as the primary physician for medicine inpatients at Barnes-Jewish Hospital. Additionally, he is responsible for supervising interns and residents who are rotating on the Hospital Medicine service. Dr. Flores-Ruiz also works as an Internal Medicine consultant at the Psychiatric Care at Delmar Center. He is a member of the IDEAS committee, which focuses on improving health quality. As part of this committee, he contributes to initiatives aimed at enhancing healthcare practices and outcomes. Dr. Flores-Ruiz volunteers at Affinia Healthcare Clinic providing post-hospital care to patients who face socio-economic barriers and have limited access to healthcare services.


  • BS, Biology: University of Puerto Rico, San Juan, PR (2010)
  • Medical Degree: University of Puerto Rico School of Medicine, San Juan, PR (2015)
  • Residency, Internal Medicine : Barnes-Jewish Hospital, Washington University School of Medicine, St. Louis, MO (2018)

Clinical Interests

Internal Medicine, Hospital Medicine