Dr. John Diana, M.D.
Orthopedic Surgery
Verified Medicare Cases (2023)
Knee Replacement
208 verified cases
Hip Replacement
118 verified cases
Verified Case Volume Trends (2013-2023)
Questions to Ask Dr. Diana
This surgeon has high Medicare volume (326 verified cases). This indicates significant experience.
Recommended Script:
"Dr. Diana, since you handle such high volume, what is your specific infection rate compared to the national average? Do you have a dedicated team for post-op recovery?"
Contact & Location
ð Phone: 707-254-7117
3273 Claremont Way
Napa, CA 94558
Napa, CA 94558
NPI: 1649297540
Credentials: M.D.
â
Active Medicare provider (NPI verified)
ð
19 years of practice experience
ð Licensed M.D.
ðĨ Licensed surgical specialist
ðĶī Board-certified orthopedic surgeon
ð Contact information available
Important: Rankings are based solely on Medicare procedure volume and do not reflect quality of care, patient outcomes, or procedures covered by private insurance. This data represents approximately 33-37% of all joint replacement procedures nationwide (63% of Medicare fee-for-service). Always consult with healthcare providers to make informed decisions about your care.