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Mathias A. Masem

MD

Orthopedic surgeon

Dr. Mathias Masem is an orthopedic surgeon with more than 20 years of experience in surgeries of the hand and upper extremities.

Masem earned his medical degree at the University of Minnesota. He completed general surgery training and a residency in orthopedic surgery at UCSF, then completed a hand surgery fellowship under esteemed hand surgeon Dr. Jack Tupper in Oakland. He spent the following two years as an orthopedic research physician in Switzerland at the University of Bern and the Laboratory for Experimental Surgery. He furthered his training in hand and upper extremity surgery and microsurgery as a clinical and research fellow at Massachusetts General Hospital and Harvard Medical School.

In addition to his work at UCSF, Masem has a private practice in Oakland and is chief of hand surgery at Alta Bates Summit Medical Center. He also is a consultant on hand and upper extremity injuries for the University of California, Berkeley athletic teams.

Masem has authored numerous articles and given many lectures on upper extremity orthopedic surgery.

  • Education

    University of Minnesota, 1975

  • Residencies

    UCSF Medical Center, Surgery, 1976

  • Fellowships

    UCSF Medical Center, Hand Surgery, 1984

    UCSF Medical Center, Orthopaedic Surgery, 1984

  • Board Certifications

    Surgery of the Hand, American Board of Orthopaedic Surgery.

    Orthopaedic Surgery, American Board of Orthopaedic Surgery.

  • Academic Title

    Asst Clinical Professor

Where I see patients (1)

    My reviews

    4.9

    Overall Experience
    132 Ratings
    About our process
    Aug 17, 2024
    Dr Masem is the real OG
    Aug 17, 2024
    I am so happy with my care provider!
    Jun 22, 2024
    Dr. Masem is very easy to talk to. Super nice guy.
    Jun 17, 2024
    I am grateful to be under the care of Dr Masem and his team.
    Jun 08, 2024
    Good
    May 06, 2024
    He is the best
    May 04, 2024
    Dr. Masem was pleasant and informative regarding how to best treat my finger.
    Apr 20, 2024
    Very good
    Apr 20, 2024
    I'm fortunate to have Dr Masem as my treating physician. He and his team are top notch.
    Mar 06, 2024
    Good
    Mar 06, 2024
    Dr Masem is kind, gracious and a wonderful doctor. Very understanding and concerned.
    Dec 16, 2023
    Good
    Dec 09, 2023
    My experience with Dr Masem and his team has been exceptional.
    Dec 09, 2023
    Excellent care, communication, and even helped with a referral to another department.
    Oct 21, 2023
    I think Dr. Masem is amazing. He listens, answers questions and is very knowledgeable and reassuring. His Chief Resident (forgot name) was equally as good.
    Oct 21, 2023
    Good
    Sep 09, 2023
    Very well
    Sep 09, 2023
    The best
    Jul 17, 2023
    Very good
    Jun 12, 2023
    Good
    May 06, 2023
    Good
    Apr 22, 2023
    Dr. Masem is a very good doctor. I am very happy with his care.
    Mar 06, 2023
    Best experience by my Dr and Resident ever
    Feb 20, 2023
    Good
    Jan 25, 2023
    Dr. Masem is the reason I came to UCSF.
    Jan 14, 2023
    Dr Masem is very thorough to obtain the relevant information with regard to my ailments and symptoms.He has provided me with two referral physicians and will follow up with their examination results.Thank Dr Masem for the excellent care given to me.
    Jan 09, 2023
    Good
    Nov 07, 2022
    The doctor is excellent. My problem is with how dysfunctional the health care system is

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