See All General Surgeons in San Carlos, CA
Dr. John O'Holleran, MD

Dr. John O'Holleran, MD

Age 59 General Surgery M
Accepting New Patients


Dr. John O'Holleran, MD is a general surgery specialist in San Carlos, CA. Dr. O'Holleran completed a residency at St Joseph Hospital. He currently practices at Palo Alto Medical Foundation and is affiliated with Sequoia Hospital. He accepts multiple insurance plans. Dr. O'Holleran is board certified in General Surgery.


  1. Palo Alto Medical Foundation

    1. 1
      Dignity Health Medical Network
      301 Industrial Rd, San Carlos, CA 94070 Existing Patients: (650) 596-4120


  • St Joseph Hospital, Residency Hospital — 1992
  • St Joseph Hospital, Internship Hospital — 1988
  • University of Nebraska / College of Medicine, Medical School — 1987

Insurance Accepted

  • Aetna
  • Anthem
  • Blue Cross Blue Shield
  • Blue Shield of California
  • Cigna
  • MultiPlan

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I've had two procedures done by Dr. O'Holleran and he is first rate. Explained everything prior to surgery and made me comfortable all would turn out well. Very positive attitude.
— Feb 01, 2020
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Dr. John O'Holleran, MD
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Hospital Affiliations

  • Sequoia Hospital
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