HealthCareAtlasUSA

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Doctors / CA

JOHN DIANA, MD

ORTHOPEDIC SURGERY

Medical school: INDIANA UNIVERSITY SCHOOL OF MEDICINE

Graduated: 1996

NPI: 1649297540

Practice Locations (3)

NAPA VALLEY ORTHOPAEDIC MEDICAL GROUP INC

3273 CLAREMONT WAY, SUITE 100

NAPA, CA 945583328

7072547117

ST. HELENA HOSPITAL

10 WOODLAND RD

SAINT HELENA, CA 945749554

7079633611

ST. HELENA HOSPITAL

6 WOODLAND RD, SUITE 202

SAINT HELENA, CA 945749501

7079680670

Source: CMS National Downloadable File, September 2026.

JOHN DIANA, MD | HealthCareAtlasUSA