Dr. Stephen O'Brien MD Internist

Dr. Stephen O'Brien is an internist in Oakland, California and is affiliated with Alta Bates Summit Medical Center. He received his medical degree from University of Washington School of Medicine and has been in practice for 22 years. He is one of 130 doctors at Alta Bates Summit Medical Center who specialize in Internal Medicine.

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Office Location

See Contact Information

Specialty & Clinical Interests

Internist: General Internal Medicine

Hospital Affiliation

Alta Bates Summit Medical Center

Education & Medical Training

University of California at San Francisco
Residency, Internal Medicine, 1990 - 1991

University of Washington School of Medicine
Class of 1990

Certifications & Licensure

American Board of Internal Medicine
Certified in Internal Medicine

CA State Medical License
Active through 2013

Insurances Accepted

  • Aetna Choice POS II
  • Aetna HMO
  • BCBS Blue Card PPO
  • Blue Shield California HMO
  • Blue Shield California PPO
  • CIGNA HMO
  • CIGNA Open Access
  • CIGNA PPO
  • Great West PPO
  • Health Net California Large Group PPO
  • Health Net HMO - Employer Group
  • Humana ChoiceCare Network PPO
  • Multiplan PHCS PPO
  • Multiplan PHCS PPO - Kaiser
  • Multiplan PPO
  • Pacificare HMO
  • United Healthcare - Direct Choice Plus POS
  • United Healthcare - Direct Options PPO
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