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Gregory Allen
4.9 out of 5 (47)
Gregory Allen

Gregory Allen, MD, PhD

Thoracic Medical Oncology

Thoracic Surgery and Oncology Clinic
1825 Fourth St., Sixth Floor,
San Francisco, CA 94158
(415) 885-3882
4.9 out of 5 (47)
Virtual visits available
4.9 out of 5 (47)
Virtual visits available
Thoracic Surgery and Oncology Clinic
1825 Fourth St., Sixth Floor,
San Francisco, CA 94158
(415) 885-3882

About me

Pronouns: He | Him | His

Insurance plan info

Dr. Gregory Allen is a thoracic medical oncologist, a specialist is the use of chemotherapy and other medications to treat cancers in the chest. He cares for patients with lung cancer and other conditions of the lungs, chest or esophagus.

Allen's research focuses on developing and investigating the use of engineered immune cells to target and treat cancer.

Allen earned his medical and doctoral degrees in Stanford Medicine's Medical Scientist Training Program. He completed an internal medicine residency at Johns Hopkins Medicine, followed by a fellowship in medical oncology at UCSF.

  • Board Certifications

    American Board of Internal Med/Medical Oncology, Medical Oncology

    American Board of Internal Medicine, Internal Medicine

  • Fellowships

    UCSF Graduate Medical Education, Hematology - Oncology

  • Residencies

    Johns Hopkins Univ School of Medicine - Int Med, Internal Medicine

  • Internship

    Johns Hopkins Univ School of Medicine - Int Med, Internal Medicine

  • Degree

    MD, Stanford University School of Medicine

Where I see patients (1)

    My reviews

    4.9

    Overall Experience
    47 Ratings
    About our process
    Oct 02, 2025
    Dr. Allen has always been thorough, thoughtful and empathetic. He gives detailed explanations that are understandable and has a wonderful sense of humor! I am very pleased with the care I've received from Dr. Allen.
    Sep 18, 2025
    The best
    May 08, 2025
    It was a very solid conversation with really good information and direction. We felt Dr. Allen was sincere and knowledgeable.
    Apr 10, 2025
    Dr. Allen has been my provider for many years and I feel confident in his care (and his team). His manner and expertise set me at ease during our meetings. I am so grateful that he is my Dr.
    Feb 27, 2025
    Dr Allen is an excellent physician. He is respectful and concerned. His care and treatment are always exceptional
    Oct 20, 2024
    Very caring
    Oct 19, 2024
    Dr. Allen is amazing
    Oct 11, 2024
    Would 100% recommend Dr Allen but hopefully you'll never need him
    Sep 04, 2024
    Pleased with all of our UCSF crew
    Jul 23, 2024
    Dr is always on time and never in a hurry Always willing to sit and answer questions

    Selected research

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