> > > > Dr. John Diana, MD
Dr. John Diana MD is a male Orthopaedic Surgeon, has 14 years of experience and practices in Orthopaedic Surgery.
Video profile
Dr. John Diana has 3 office locations.
Napa Valley Orthopedics
3273 Claremont Way
Ste 100
Napa, CA 94558

Phone Number
Locations and availability (3)
License & Identifications

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).

Patient Reviews

  • Currently 2.5 of 4 stars
Patient comments (3)

The overall average patient rating of Dr. John Diana is Good. Dr. Diana has been reviewed by 6 patients who have provided 3 comments. The rating is 2.5 out of 4 stars.

Patient Ratings
Ease of Appointment 3.7
  • Currently 3.6666666666667 of 4 stars
Promptness 2.7
  • Currently 2.6666666666667 of 4 stars
Courteous Staff 3.0
  • Currently 3 of 4 stars
Accurate Diagnosis 3.3
  • Currently 3.3333333333333 of 4 stars
Bedside Manner 2.7
  • Currently 2.6666666666667 of 4 stars
Spends Time with Me 3.0
  • Currently 3 of 4 stars
Follows Up After Visit 3.0
  • Currently 3 of 4 stars

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

Dr. Daniel Birkbeck

Orthopaedic Surgery
20 years experience
Napa, CA

Dr. Michael Shifflett

Orthopaedic Surgery
31 years experience
Napa, CA

Dr. Brian Freeto

Orthopaedic Surgery
7 years experience
Napa, CA

Dr. Jason Huffman

Orthopaedic Surgery
11 years experience
Napa, CA

Dr. Mark Price

Plastic Surgery
19 years experience
Napa, CA

Dr. Richard Welch

Orthopaedic Surgery
49 years experience
Napa, CA
Search All Similar Doctors
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.