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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- Currently 2.5 of 4 stars
The overall average patient rating of Dr. John Diana is Good.
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Specialties & Research
Dr. John Diana, MD is board certified in Orthopaedic Surgery.
- He has special expertise in 5 areas:
- Hip Osteoarthritis
- Hip Surgery (Hip Replacement Arthroplasty)
- Knee Osteoarthritis
- Knee Surgery (Knee Replacement Arthroplasty)
- Osteoarthritis (Hand and Wrist)
Education & Awards
Dr. Diana graduated from Indiana University , Indianapolis.
Dr. Diana has 6 hospital affiliations:
- Sutter General Hospital
- Queen of the Valley Hospital
Accepted Insurance Plans
Dr. Diana accepts these health insurances in at least one office:
- Anthem Blue Cross - 8 plans
- Cigna - 5 plans
- Aetna - 3 plans
Similar doctors nearby
- Additional Information
- Where does Dr. John Diana practice?
Dr. John Diana practices Orthopaedic Surgery near Napa, CA.
Additional practice locations include: Saint Helena, CA.
See Napa Surgeons.