Ernie-Paul Barrette, MD, FIDSA, FACP

Ernie-Paul Barrette, MD, FIDSA, FACP

Professor of Medicine

Dr. Barrette is the Medical Director of the HIV/Virology Clinic at Washington University School of Medicine.  He is the Principal Investigator for the Ryan White Part C Grant.

Dr. Barrette specializes in the primary care of patients living with HIV infection and AIDS.  He has a special interest in opioid use disorder. He is active in advocacy on the national level with the Ryan White Medical Providers Coalition (RWMPC) of the HIV Medicine Association’s (HIVMA) and chairs the Missouri’s chapter of the American College of Physicians (ACP) Health and Public Policy Committee.  He currently serves on the HIV Medical Association (HIVMA) board.  He attends on the in-patient medicine service.

Dr. Barrette joined the Infectious Disease Division faculty in 2008. Prior to joining Washington University he held academic appointments at the University of Washington School of Medicine, Harvard Medical School, and Case Western Reserve University School of Medicine. He has held hospital appointments at University of Washington Medical Center, Massachusetts General hospital, and Metro-health Medical Center (Cleveland). He has provided primary care to patients with HIV since completing his residency in 1993. Dr. Barrette sees patients with HIV infection at both the the Infectious Disease Clinic at 620 South Taylor Ave., Suite 100, St. Louis, MO and the Infectious Diseases Clinic at Village Square, 1 Village Square Shopping Center, Hazelwood, MO.

Related Links
Patients seen at

Infectious Diseases Clinic
620 South Taylor Ave., Suite 100
St. Louis, MO 63110
Appointments: 314-362-9098
Fax: 314-362-9851

Village Square
1 Village Square Shopping Center, Suite 1
Hazelwood, MO 63042
Appointments: 314-362-9098

Additional Titles

  • Medical Director, HIV/Virology Clinic, Washington University School of Medicine
  • Medical Director, Village Square Medical Multispecialty Center with Associated Infusion Center

  • BS, University of Rhode Island (1982)
  • MA, Chemistry: Harvard University, Cambridge, MA (1984)
  • MD: Harvard Medical School, Boston, MA (1990)
  • Post Doctoral Training, Intern and Residency: Massachusetts General Hospital, Boston MA (1993)
Board Certifications
  • American Board of Internal Medicine
  • House Staff Dedication to Resident Teaching, Department of Medicine, Washington University School of Medicine, 2017
  • Laureate Award, Missouri Chapter American College of Physicians, 2020
Selected Publications
  1. Wendy S Armstrong, Allison L Agwu, Ernie-Paul Barrette, Rachel Bender Ignacio, Jennifer J Chang, Jonathan A Colasanti, Michelle Floris-Moore, Marwan Haddad, Lynsay MacLaren, Andrea Weddle, Innovations in Human Immunodeficiency Virus (HIV) Care Delivery During the Coronavirus Disease 2019 (COVID-19) Pandemic: Policies to Strengthen the Ending the Epidemic Initiative—A Policy Paper of the Infectious Diseases Society of America and the HIV Medicine Association, Clinical Infectious Diseases, Volume 72, Issue 1, 1 January 2021, Pages 9–14,

View Ernie-Paul Barrette’s publications on »