Marissa M. Maier, M.D.

  • Professor of Medicine, Division of Infectious Diseases, School of Medicine
  • Infectious Diseases Fellowship VA Site Director, Medicine, Division of Infectious Diseases, School of Medicine
  • VA Portland Health Care System


Dr. Marissa Maier is a Professor of Medicine in the Division of Infectious Diseases. She is a staff physician at the VA Portland Health Care System, and is a Senior Consultant for the VA’s national Office of Women’s Health. She also serves as the VA Site Director for OHSU’s ID fellowship program.

Dr. Maier enjoys biking, eating, gardening, exploring the outdoors, travel, and hanging with her family. She has never climbed any important peaks, but instead searches for the perfect mint chip ice cream, which currently is located at Lovely’s Fifty-Fifty.

Dr. Maier graduated magna cum laude from Brown University, with a double major in Environmental Studies and Development Studies.  She completed medical school at UC San Francisco, where she received a Doris Duke Clinical Research Fellowship. She subsequently returned to her hometown of Portland, Oregon, where she completed her Internal Medicine residency and Infectious Diseases fellowship at OHSU before joining the Infectious Disease faculty at OHSU in an appointment at the Portland VA.

Education and training

    • B.A., 1997, Brown University
    • M.D., 2007, University of California at San Francisco (UCSF) School of Medicine
  • Residency

    • Internal Medicine, Oregon Health & Science University, 2010
  • Fellowship

    • Infectious Diseases, Oregon Health & Science University, 2012
  • Certifications

    • American Board of Internal Medicine
    • American Board of Internal Medicine, Infectious Diseases

Memberships and associations:

  • Infectious Diseases Society of America