Dr. John Baldwin O'Brien MD is a male Emergency Medicine Specialist, has 45 years of experience and practices in Emergency Medicine, General Practice, Internal Medicine, Cardiovascular Disease, and Cardiology.
A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).
Learn more about Dr. John O'Brien:
View the full profile to get information on:
- What's important to you
View full profile
be the first!
Education & Awards
Dr. O'Brien graduated from Stanford University.More Education & Awards
Dr. O'Brien has 8 hospital affiliations:
- John Muir Medical Center, Walnut Creek Campus
- California Pacific Medical Center - Davies Campus
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- United Healthcare - 14 plans
- Anthem Blue Cross - 13 plans
- Alameda Alliance for Health - 1 plan
More Accepted Insurance
Similar doctors nearby
- Additional Information
- Where does Dr. John B. O'Brien practice?
Dr. John O'Brien practices Emergency Medicine, General Practice, Internal Medicine, Cardiovascular Disease, and Cardiology near San Francisco, CA.
See San Francisco Urgent Care Centers, San Francisco General Practitioners, San Francisco Internists, and San Francisco Cardiologists.