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Dr. Michael S. O'Holleran, MD


  • 1303 San Carlos Ave
    San Carlos, CA 94070
  • 1 Location
  • (650) 593-0965

Dr. O'Holleran's Overview

Dr. Michael S. O'Holleran graduated from the University of Nebraska College of Medicine in 1977. He works in San Carlos, CA and specializes in Surgery. Dr. O'Holleran is affiliated with Mills Peninsula Health Services, Mills Peninsula Health Services and Sequoia Hospital. He speaks English and Spanish.

Gender: Male

Languages Spoken: English, Spanish

Dr. O'Holleran's Experience

Years in Practice: 38

Conditions Treated by Dr. O'Holleran

Dr. O'Holleran's Specialties


Dr. O'Holleran's Education & Training

Medical School: University of Nebraska College of Medicine; Graduated 1977

Dr. O'Holleran's Accepted Insurance

  • Aetna Choice POS II
  • Aetna HMO
  • Aetna HMO Deductible Plan CA members only
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • Blue Cross CA CaliforniaCare HMO
  • Blue Cross CA PPO
  • Blue Cross CA Select Plus HMO
  • Blue Cross CA Select PPO
  • View More

Dr. O'Holleran's Office Information & Appointments

Office Locations

Oholleran & Oholleran Mds

1303 San Carlos Ave
San Carlos, CA 94070
(650) 593-0965


Office Hours and Information

Fax: (650) 593-2379

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: Yes

Monday 10:00 AM - 6:00 PM
Tuesday 10:00 AM - 6:00 PM
Wednesday 10:00 AM - 6:00 PM
Thursday 10:00 AM - 6:00 PM
Friday 10:00 AM - 6:00 PM
Saturday Closed
Sunday Closed

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Office Locations