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Dr. Michael T. O'Brien, MD

Family Medicine

  • (510) 581-7677

Dr. O'Brien's Overview

Dr. Michael T. O'Brien graduated from the Boston University School of Medicine in 1986. He works in Castro Valley, CA and specializes in Family Medicine. Dr. O'Brien is affiliated with Eden Medical Center.

Dr. O'Brien's Experience

Years in Practice: 29

Procedures Performed by Dr. O'Brien

Dr. O'Brien's Specialties

Family Medicine

Dr. O'Brien's Education & Training

Medical School: Boston University School of Medicine; Graduated 1986

Dr. O'Brien's Rating

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Overall Rating


  • Explains conditions & treatments
  • Takes time to answer my questions
  • Provides follow-up as needed
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Dr. O'Brien's Accepted Insurance

  • Aetna Choice POS II
  • Aetna Managed Choice POS Open Access
  • Aetna Signature Administrators PPO
  • BCBS Blue Card PPO
  • Blue Cross CA Advantage PPO Preferred DirectAccess Plus
  • Blue Cross CA Pathway X PPO Direct Access
  • Blue Cross CA Pathway X Tiered Direct Access
  • Blue Cross CA PPO
  • Blue Shield CA Basic EPO
  • Blue Shield CA Basic Exclusive PPO for Small Business
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Dr. O'Brien's Office Information & Appointments

Office Locations

Michael T Obrien MD

20100 Lake Chabot Rd Ste 3
Castro Valley, CA 94546
(510) 581-7677


Office Hours and Information

Fax: (510) 581-7678

Practice Website: Not Available

Accepting New Patients: Yes

Medicare Accepted: Yes

Medicaid Accepted: No

Monday 8:00 AM - 5:00 PM
Tuesday 8:00 AM - 5:00 PM
Wednesday 8:00 AM - 5:00 PM
Thursday 8:00 AM - 5:00 PM
Friday 8:00 AM - 5:00 PM
Saturday Closed
Sunday Closed

Other Physicians in Dr. O'Brien's Practice

  • Not Available

Dr. O'Brien's Hospital Affiliations

Office Locations

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