Portrait of Daniel H. Null
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Daniel H. Null, MD

Internal Medicine
General Internal Medicine Mount Zion – 1701 Divisadero St.
415-353-7900
Portrait of Daniel H. Null
Portrait of Daniel H. Null
ucsf logo

Daniel H. Null, MD

Internal Medicine
General Internal Medicine Mount Zion – 1701 Divisadero St.
415-353-7900

On this page

Education & training

Board certification

  • Internal Medicine, American Board of Internal Medicine

Residency

  • Internal Medicine, UCSF Medical Center - OMAG

Degree

  • MD, UCSF School of Medicine

My expertise

Locations

    My research

    Reviews

    Average rating

    5
    5 out of 5 Stars
    349 ratings
    About provider reviews

    Showing 1-6 of 100 reviews

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    • 5 out of 5 Stars
      January 17, 2026

      Needless to say, Dr. Null is by far the best doctor I have ever seen! Thank you, Dr. Null!

    • 5 out of 5 Stars
      January 17, 2026

      Dan Null is a great doctor. Am so lucky to be under his care

    • 5 out of 5 Stars
      January 15, 2026

      Excellent doctor and PA. Very friendly, informative, caring, and professional

    • 5 out of 5 Stars
      January 10, 2026

      My doctor is wonderful and I took up too much time with him but he was very responsive to all concerns

    • 5 out of 5 Stars
      January 4, 2026

      He's wonderful

    • 5 out of 5 Stars
      January 1, 2026

      Dr. Null has been my doctor for the last 25 years and he is the only reason for me to continue with UCSF.Dr. Null is the best doctor I have met In my entire life!

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