Portrait of Robert B. Baron
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Robert B. Baron, MD, MS

Internal Medicine • Obesity Medicine
Weight Management Mount Zion
415-353-7900
Portrait of Robert B. Baron
Portrait of Robert B. Baron
ucsf logo

Robert B. Baron, MD, MS

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

On this page

About me

Dr. Robert B. Baron, an internal medicine specialist and primary care doctor, serves as vice chief of the UCSF Division of General Internal Medicine. With a special interest in treating obesity, he is founder and director of the UCSF Weight Management Program. He is also interested in nutrition and preventive medicine.

Baron earned a master's degree in nutrition at the University of Wisconsin – Madison and his medical degree from UCSF.

Baron has directed the UCSF Primary Care Internal Medicine Residency Program since 1989.

Education & training

Board certification

  • Internal Medicine, American Board of Internal Medicine

Residency

  • Internal Medicine, UCSF Medical Center - OMAG

Internship

  • Internal Medicine, UCSF Medical Center - OMAG

Degree

  • MD, UCSF School of Medicine

My expertise

Locations

    Reviews

    Average rating

    4.9
    4.9 out of 5 Stars
    134 ratings
    About provider reviews

    Showing 1-6 of 24 reviews

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    • 5 out of 5 Stars
      December 5, 2025

      Dr. Baron is perfect for me. He understands my concerns and knows what to say. I couldn't manage without him.

    • 5 out of 5 Stars
      December 5, 2025

      Dr Baron is superb.

    • 4.8 out of 5 Stars
      November 14, 2025

      I have a lot of trust in Dr. Baron's recommendations and in his expertise as a provider. This was a tough visit because my labs and blood pressure readings are now at the point where we may need to begin medical intervention. He navigated this conversation skillfully.

    • 5 out of 5 Stars
      November 12, 2025

      Dr. Baron is an exceptional doctor, knowledgeable and willing to explain things. Thank you

    • 5 out of 5 Stars
      August 20, 2025

      Dr Baron listens and explains very well.

    • 5 out of 5 Stars
      July 30, 2025

      Dr Baron is also is a great case provider

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