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. Walter O'Brien:
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- Currently 2 of 4 stars
The overall average patient rating of Dr. Walter O'Brien is Satisfactory.
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Specialties & Research
- He has special expertise in 3 areas:
- Hip Osteoarthritis
- Knee Osteoarthritis
- Osteoarthritis (Hand and Wrist)
Education & Awards
Dr. O'Brien graduated from University of Kansas , Kansas City.
Dr. O'Brien has 7 hospital affiliations:
- St. John's Hospital & Health Center
- Centinela Freeman Regional Medical Center-Marina Campus
Accepted Insurance Plans
Dr. O'Brien accepts these health insurances in at least one office:
- Great-West Healthcare - 3 plans
- Humana - 2 plans
- Cigna - 5 plans
- USA H & W Network - 1 plan
Similar doctors nearby
- Additional Information
- Where does Dr. Walter R. O'Brien practice?
Dr. Walter O'Brien practices Orthopaedic Surgery near Los Angeles, CA.
Additional practice locations include: Malibu, CA.
See Los Angeles Orthopedic Surgeons.