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

Academic title

  • Health Sciences Clinical Professor

My expertise

Locations

    My research

    Reviews

    Average rating

    5
    5 out of 5 Stars
    346 ratings
    About provider reviews

    Showing 1-6 of 120 reviews

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    • 5 out of 5 Stars
      April 23, 2026

      Dr. Null took time to review each of the vitamins/supplements I take and explained their benefits and possible side effects. I feel like Dr. Null is really focussed on my well being.

    • 5 out of 5 Stars
      April 17, 2026

      Dr. Null is consistently the best! Always addresses.

    • 5 out of 5 Stars
      April 8, 2026

      Outstanding!

    • 5 out of 5 Stars
      April 7, 2026

      Dr Null was concerned, caring and informative. He was very informative about my situation and encouraged me to ask questions.

    • 5 out of 5 Stars
      April 2, 2026

      Dr Null has been my primary care provider for nearly 30 years and has always been extremely attentive to my interests and concerns while allowing me make decisions about how, with his guidance, to direct my health care.

    • 5 out of 5 Stars
      March 23, 2026

      Dr Null is amazing -- wise, patient, good listener. I always feel that my health is in good hands with him

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