3.7
79 Ratings with 32 written Reviews
Summary
Dr. John Harker treats osteoarthritis, type 2 diabetes mellitus, and hip fracture, and performs physical therapy and chest fluoroscopy. He practices orthopedic surgery and sports medicine and has 37 years of experience. He speaks English and Spanish.
Dr. Harker earned his DO from Nova Southeastern University College of Osteopathic and is affiliated with Morton Plant Hospital, Mease Dunedin Hospital, Hca Florida Largo West Hospital, Mease Countryside Hospital, Baycare Alliant Hospital, Saint Marys Medical Center, Hca Florida Largo Hospital, Providence Saint Mary Medical Center, and Adventhealth Pepin Heart Institute. He sees patients in Largo, Clearwater, Tampa, Safety Harbor, and Dunedin, Florida. Patients on Vitals rate Dr. Harker 3.68 out of 5.
Dr. Harker earned his DO from Nova Southeastern University College of Osteopathic and is affiliated with Morton Plant Hospital, Mease Dunedin Hospital, Hca Florida Largo West Hospital, Mease Countryside Hospital, Baycare Alliant Hospital, Saint Marys Medical Center, Hca Florida Largo Hospital, Providence Saint Mary Medical Center, and Adventhealth Pepin Heart Institute. He sees patients in Largo, Clearwater, Tampa, Safety Harbor, and Dunedin, Florida. Patients on Vitals rate Dr. Harker 3.68 out of 5.
Overview based on verified provider data
Quick Facts
- 37 years of experience
- speaks English, Spanish
- Nova Southeastern University College Of Osteopathic
- 32 written reviews
- 2 specialties
- 17 areas of expertise
- 9 hospital affiliations
- 6 office locations
- Male
Patients’ Perspective
- Gave an accurate diagnosis
- Had a good bedside manner
- Spent time with me
Based on patient feedback. Read the reviews
Office Locations
Dr. John Nicholas Harker has 6 locationsLargo Medical Center Indian Rocks Road Campus
2025 Indian Rocks Rd SLargo, FL 33774 Tel: (727) 581-9474
Compare with Similar Doctors
 |  |  |  |
| Dr. John Nicholas Harker, DO | Dr. Brett R. Smith, MD | Dr. Alexander C. Coleman, MD | Dr. Joseph D Alonzo, DO |
| Orthopedic Surgery | Orthopedic Surgery | Orthopedic Surgery | Orthopedic Surgery |
| Accepts New Patients | Accepts New Patients | Accepts New Patients | |
| 37 Years of Experience | 29 Years of Experience | 8 Years of Experience | |
| No Virtual Visit Option | Virtual Visit Available | Virtual Visit Available | Virtual Visit Available |
| Speaks English, Spanish | Speaks English | Speaks English | |
| Largo , FL | Gulf Breeze , FL | Gulf Breeze , FL | Lakeland , FL |
| Med School: Nova Southeastern University College Of Osteopathic | Med School: MCP-Hahnemann School of Medicine | Med School: The Medical University of South Carolina Charleston | Med School: Philadelphia College Of Osteopathic Medicine |
Current Profile | View Profile | View Profile | View Profile |
Insurance Plans Accepted by Dr. John Nicholas Harker
Be sure to verify insurance information directly with your doctor's office, as it may undergo frequent changes.
Medical Specialties
Dr. John Nicholas Harker has the following 2 specialties
Specialty Expertise
Dr. John Nicholas Harker has the following 17 areas of expertise
Certifications, License, & Education
37 Years Experience
Dr. John Nicholas Harker holds an expired medical license in the state of Florida.
Medical License
Doctor Of Osteopathy with an expired medical license in the state of Florida that expired in 2026.
Education & Training
Medical School
Graduated from Nova Southeastern University College Of Osteopathic in 1989.
NPI Number
Dr. Harker's NPI number is 1013026269.
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Frequently Asked Questions
- Does Dr. John Harker accept virtual/telehealth appointments?
- Dr. John Harker has not indicated that they accept virtual/teleheatlh appointments. Contact their office through their Vitals profile to check for availability.
- Which hospitals is Dr. John Harker affiliated with?
- Dr. John Harker is affiliated with Morton Plant Hospital, Mease Dunedin Hospital, Hca Florida Largo West Hospital, Mease Countryside Hospital, Baycare Alliant Hospital, Saint Marys Medical Center, Hca Florida Largo Hospital, Providence Saint Mary Medical Center, and Adventhealth Pepin Heart Institute.
- How can I make an appointment with Dr. John Harker?
- You can find contact information for Dr. John Harker here on Vitals.
- Does Dr. John Harker accept my insurance?
- You can see the insurance plans that Dr. John Harker accepts on their Vitals profile.
- What languages does Dr. John Harker speak?
- Dr. John Harker speaks English and Spanish.
Data Sources
This provider profile is built using data from:
- NPPES NPI Registry
- State medical licensing boards
- Healthcare system and provider network data
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