Portrait of Michelle E. Guy
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Michelle E. Guy, MD

Internal Medicine • Obesity Medicine
Weight Management Mount Zion
415-353-7900
Portrait of Michelle E. Guy
Portrait of Michelle E. Guy
ucsf logo

Michelle E. Guy, MD

Internal Medicine • Obesity Medicine
Weight Management Mount Zion
415-353-7900

On this page

About me

Dr. Michelle Guy is a specialist in internal medicine and obesity medicine. She provides primary care.

Guy earned her medical degree from the University of Missouri School of Medicine. She completed a residency in primary care at Cambridge Health Alliance, an affiliate of Harvard Medical School. She served as chief resident.

Guy teaches UCSF medical students and residents in the clinic setting.

Education & training

Board certification

  • Internal Medicine, American Board of Internal Medicine

Residency

  • Internal Medicine, Cambridge Hospital

Internship

  • Internal Medicine, Cambridge Hospital

Degree

  • MD, University of Missouri at Columbia

My expertise

Locations

    My research

    Reviews

    Average rating

    5
    5 out of 5 Stars
    157 ratings
    About provider reviews

    Showing 1-6 of 36 reviews

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    • 5 out of 5 Stars
      January 15, 2026

      Dr Guy is one of the best physicians I have worked with at UCSF. I feel grateful to be her patient.

    • 5 out of 5 Stars
      January 14, 2026

      Dr Guy is a fantastic doctor. We tackle any questions or problems together. She offers many options that help me make wise decisions

    • 5 out of 5 Stars
      January 6, 2026

      I have seen Dr Guy for many years between internal medicine and weight management and am very happy with her care.

    • 5 out of 5 Stars
      December 16, 2025

      Dr. Guy is terrific. I feel fortunate to be under her care.

    • 5 out of 5 Stars
      December 12, 2025

      See above. Dr Guy was my internist for many years and I was so pleased to have been assigned to her on weight management by chance.

    • 5 out of 5 Stars
      November 26, 2025

      Dr. Guy exemplifies the best of UCSF. She has been very proactive regarding my health treatment and well-being.

    Please check with your health insurance plan regarding coverage for this type of care. Not all providers at UCSF Health are covered by every insurance plan.

    For informational purposes only, a link to the federal Centers for Medicare and Medicaid Services (CMS) Open Payments web page is provided here. The federal Physician Payments Sunshine Act requires that detailed information about payment and other payments of value worth over ten dollars ($10) from manufacturers of drugs, medical devices, and biologics to physicians and teaching hospitals be made available to the public.