4
21 Ratings with 7 written Reviews
Summary
Dr. John Diana is a board-certified orthopedic surgeon who has dedicated three decades to helping patients overcome musculoskeletal challenges. He earned his medical degree from Indiana University School of Medicine and completed his residency training at the prestigious Hospital of the University of Pennsylvania. His extensive experience in orthopedic surgery allows him to treat a wide range of conditions affecting bones, joints, and soft tissues. Dr. Diana is fluent in both English and Spanish, enabling him to communicate effectively with diverse patient populations throughout the Napa Valley region.
Dr. Diana practices at Queen of the Valley Medical Center in Napa, California, where he focuses on treating common orthopedic conditions including joint pain, knee problems, and arthritis. He incorporates comprehensive treatment approaches that may include physical therapy, strength training programs, and hands-on manual therapy techniques. His expertise helps patients regain mobility …and reduce pain through both surgical and non-surgical treatment options. Patients have given Dr. Diana an average rating of 4.1 stars, reflecting their confidence in his skilled and compassionate care.
Read More Read less Dr. Diana practices at Queen of the Valley Medical Center in Napa, California, where he focuses on treating common orthopedic conditions including joint pain, knee problems, and arthritis. He incorporates comprehensive treatment approaches that may include physical therapy, strength training programs, and hands-on manual therapy techniques. His expertise helps patients regain mobility …and reduce pain through both surgical and non-surgical treatment options. Patients have given Dr. Diana an average rating of 4.1 stars, reflecting their confidence in his skilled and compassionate care.
AI-generated from data on this provider profile.
Quick Facts
- accepting new patients
- 30 years of experience
- speaks English, Spanish
- Hospital Of The University Of Pennsylvania
- 7 written reviews
- 1 specialty
- 5 areas of expertise
- 1 board certification
- 1 hospital affiliation
- 3 office locations
- Male
Office Locations
Dr. John Nicholas Diana has 3 locationsNapa Valley Orthopaedic Medical Group Inc
3273 Claremont Way Ste 100Napa, CA 94558 Tel: (707) 254-7117
Mon8:00 am - 5:00 pm
Tue8:00 am - 5:00 pm
Wed8:00 am - 5:00 pm
Thu8:00 am - 5:00 pm
Fri8:00 am - 5:00 pm
SatClosed
SunClosed
Valley Surgical Suites
3365 SOLANO AVENAPA, CA 94558 Tel: (707) 266-6878
Mon6:00 am - 6:00 pm
Tue6:00 am - 6:00 pm
Wed6:00 am - 6:00 pm
Thu6:00 am - 6:00 pm
Fri6:00 am - 6:00 pm
SatClosed
SunClosed
Compare with Similar Doctors
 |  |  |  |
| Dr. John Nicholas Diana, MD | Dr. Robert Peterson, MD | Dr. Neil Pathare, MD | Dr. Michael Klassen, MD |
| Orthopedic Surgery | Orthopedic Surgery | Orthopedic Surgery | Orthopedic Surgery |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | Accepts New Patients |
| 30 Years of Experience | 34 Years of Experience | 20 Years of Experience | 37 Years of Experience |
| No Virtual Visit Option | No Virtual Visit Option | No Virtual Visit Option | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks Spanish, Chinese, English | Speaks English |
| Napa , CA | Vacaville , CA | Fairfield , CA | Monterey , CA |
| Med School: Indiana University School Of Medicine | Med School: Albert Einstein College Of Medicine Of Yeshiva University | Med School: Tufts University School Of Medicine | Med School: David Geffen School of Medicine - UCLA |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Nicholas Diana
Medical Specialties
Dr. John Nicholas Diana has the following specialty
Specialty Expertise
Dr. John Nicholas Diana has the following 5 areas of expertise
Certifications, License, & Education
30 Years Experience
MEDICAL LICENSE
Medical Doctor, California, 2026, Active
EDUCATION & TRAINING
Residency
Hospital Of The University Of Pennsylvania
Medical School
Indiana University School Of MedicineGraduated in 1996
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Frequently Asked Questions
- Where is Dr. John Diana's office located?
- Dr. John Diana's office is located at 3273 Claremont Way Ste 100, Napa, CA, 94558.
- Which hospitals is Dr. John Diana affiliated with?
- Dr. John Diana is affiliated with Queen Of The Valley Medical Center.
- Does Dr. John Diana accept my insurance?
- You can see the insurance plans that Dr. John Diana accepts on their Vitals profile.
- Does Dr. John Diana accept virtual/telehealth appointments?
- Dr. John Diana has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- How can I make an appointment with Dr. John Diana?
- You can find contact information for Dr. John Diana here on Vitals.
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