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).
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Specialties & Research
Dr. Douglas Mason, MD is board certified in Orthopaedic Surgery and Orthopaedic Surgery of the Hand.
- He has special expertise in 4 areas:
- Hand Surgery
- Hip Osteoarthritis
- Knee Osteoarthritis
- Osteoarthritis (Hand and Wrist)
Education & Awards
Dr. Mason graduated from Harvard University , Boston.
Dr. Mason has 8 hospital affiliations:
- Kaiser Foundation Hospital - Walnut Creek
- Kaiser Foundation Hospital - Martinez/Walnut