Portrait of Brian Block
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Brian Block, MD

Pulmonology
Pulmonology Parnassus
415-353-2961
Portrait of Brian Block
Portrait of Brian Block
ucsf logo

Brian Block, MD

Pulmonology
Pulmonology Parnassus
415-353-2961

On this page

About me

Dr. Brian Block is a pulmonologist who cares for patients with all types of lung disease. He has a special interest in patients with lung conditions who are in intensive care.

Block conducts research on how patients and families prepare for making decisions in the intensive care unit. He is interested in improving support for those who face difficult medical decisions.

Block earned his medical degree from Harvard Medical School. He completed a residency in internal medicine at Columbia University's Vagelos College of Physicians and Surgeons, serving as chief resident. He completed a fellowship in pulmonary and critical care medicine at UCSF.

Block is a member of the American College of Physicians, Society of Critical Care Medicine and American Thoracic Society.

Block lives in San Francisco with his wife and two young children. After growing up in the East Bay and spending 15 years away, he is happy to be back in the Bay Area.

Education & training

Board certification

  • Critical Care Medicine, American Board of Internal Med/Critical Care Med
  • Pulmonary Disease, American Board of Internal Med/Pulmonary Disease
  • Internal Medicine, American Board of Internal Medicine

Fellowship

  • Pulmonary, Critical Care, and Sleep Medicine, UCSF Graduate Medical Education

Residency

  • Internal Medicine, New York Presbyterian /Columbia GME

Degree

  • MD, Harvard Medical School

My expertise

Locations

    Reviews

    Average rating

    5
    5 out of 5 Stars
    125 ratings
    About provider reviews

    Showing 1-6 of 37 reviews

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    • 5 out of 5 Stars
      January 22, 2026

      Dr Block answered all my questions and offered good advice on moving forward.

    • 5 out of 5 Stars
      January 7, 2026

      Dr Block is one of the most helpful, knowledgeable, patient, and kind physicians I have ever worked with. I appreciate his time with me and his thoroughness. He is an exceptional physician!

    • 5 out of 5 Stars
      January 3, 2026

      Dr. Block proactively reached out to me after he noted I had been hospitalized for pneumonia. He then ensured that I was able to schedule an appointment with him before he left town on vacation. He was not only proactive he was reassuring and provided excellent care and advice.

    • 5 out of 5 Stars
      December 5, 2025

      Dr. Block and his staff always treats my wife and I with respect and explains everything so that we understand, we leave satisfied know everything is being done to help me get better.

    • 5 out of 5 Stars
      November 22, 2025

      On so many levels, Dr. Block is perhaps the BEST doctor I have ever had!!!

    • 5 out of 5 Stars
      October 8, 2025

      Dr. Block is an excellent listener to my needs and is very knowledgeable about what course of action to take for me.

    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.