Dr. John N. Harker
- Gender: Male
- Experience: 32 years
- Graduation year: 1989
- Sole propriator: Yes
- NPI: 1013026269
Dr. John N. Harker DO
Orthopedic Surgeon
He is located at 12955 Seminole Boulevard in Largo, FL 33778. Can help patients with the following: Broken Bone, Elbow Pain, Hip Replacement, Rotator Cuff Tear, Tennis Elbow, Whiplash. His National Provider Identifier (NPI) number is 1013026269. Appointment can be made via the phone number (727) 586-4752. He is affiliated with 1 practices and 3 hospitals.
Conditions treated
Dr. John Nicholas Harker, being an orthopedic surgeon, treats the following conditions. Please be advised that this list may not be complete. For the full list of conditions treated, consult directly with Dr. John N. Harker.
- ACL Tear
- Achilles Tendon Rupture
- Arthritis
- Avascular Necrosis
- Back Pain
- Baker's Cyst
- Bone Spurs
- Broken Bone
- Bunions
- Bursitis
- Carpal Tunnel Syndrome
- Cauda Equina Syndrome
- Cervical Radiculopathy
- Compartment Syndrome
- Cubital Tunnel Syndrome
- Degenerative Disc Disease (DDD)
- Dislocated Ankle
- Dislocated Shoulder
- Elbow Pain
- Frostbite
- Hammer Toe
- Herniated Disc
- Hip Replacement
- Iliotibial Band Syndrome (ITBS)
- Impingement Syndrome
- Ingrown Toenail
- Joint Fluid Extraction
- Knee Pain
- Knee Replacement
- Kyphoplasty
- Kyphosis
- Low Back Pain
- Lumbar Spinal Stenosis
- Meniscus Tear
- Metatarsal Surgery
- Morton's Neuroma
- Osgood-Schlatter Disease
- Osteoarthritis (OA)
- Osteomyelitis
- Patellofemoral Pain Syndrome (PFS)
- Plantar Fasciitis
- Repetitive Motion Disorders (RMDs)
- Rheumatoid Arthritis (RA)
- Rotator Cuff Tear
- Sciatica
- Scoliosis
- Separated Shoulder
- Spinal Stenosis
- Spondylolisthesis
- Spondylolysis
- Spondylosis
- Sprained Ankle
- Sprained Wrist
- Stress Fracture
- Tennis Elbow
- Trigger Finger
- Whiplash
- Wrist Surgery
Procedures Performed by Dr. John N. Harker
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. John N. Harker as in-network for the following 2026 plans.
Health plans
AvMed
Network data as of Aug 31, 2026, as reported by the insurer.
Show all 14 plans from AvMed
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| AvMed Entrust Bronze 600 (2026) (5 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AvMed Entrust Bronze 650 (2026) (5 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AvMed Entrust Expanded Bronze Standard (2026) (5 plan variants) | HMO · Expanded Bronze | Preferred | Accepting new patients |
| AvMed Entrust Gold 125 (2026) (5 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| AvMed Entrust Gold 125 Dental+Vision (2026) (5 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| AvMed Entrust Gold Standard (2026) (5 plan variants) | HMO · Gold | Preferred | Accepting new patients |
| AvMed Entrust Platinum 25 (2026) (3 plan variants) | HMO · Platinum | Preferred | Accepting new patients |
| AvMed Entrust Platinum 25 Dental+Vision (2026) (3 plan variants) | HMO · Platinum | Preferred | Accepting new patients |
| AvMed Entrust Platinum Standard (2026) (3 plan variants) | HMO · Platinum | Preferred | Accepting new patients |
| AvMed Entrust Silver 350 (2026) (5 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| AvMed Entrust Silver 350 Dental+Vision (2026) (5 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| AvMed Entrust Silver 550 (2026) (5 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| AvMed Entrust Silver 550 Dental+Vision (2026) (5 plan variants) | HMO · Silver | Preferred | Accepting new patients |
| AvMed Entrust Silver Standard (2026) (5 plan variants) | HMO · Silver | Preferred | Accepting new patients |
Florida Blue (BlueCross BlueShield FL)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 14 plans from Florida Blue (BlueCross BlueShield FL)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueOptions Bronze (HSA) 24J01-10 (Rewards / $4 Condition Care Rx) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-04 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-06 (Rewards) | PPO · Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-17 ($50 PCP Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Bronze 24J01-18S ($50 PCP Visits / Rewards) | PPO · Expanded Bronze | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-09 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-12 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Gold 24J01-20S ($30 PCP Visits / $60 Specialist Visits / Rewards) | PPO · Gold | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-05 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-08 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Platinum 24J01-21S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | PPO · Platinum | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-03 ($10 Labs / Rewards) | PPO · Silver | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-07 ($50 PCP Visits / Rewards) | PPO · Silver | Preferred | Accepting new patients |
| BlueOptions Silver 24J01-19S ($40 PCP Visits / $80 Specialist Visits / Rewards) | PPO · Silver | Preferred | Accepting new patients |
Florida Blue HMO (a BlueCross BlueShield FL company)
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 24 plans from Florida Blue HMO (a BlueCross BlueShield FL company)
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| BlueCare Bronze (HSA) 24K01-09 (Rewards / $4 Condition Care Rx) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-03 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-05 (Rewards) | POS · Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-25 ($50 PCP Visits / $75 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K01-31S ($50 PCP Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-17 (3 PCP Visits for $0 then $55 / $70 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-18 (Rewards) | POS · Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-23 ($50 PCP Visits / $75 Specialist Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Bronze 24K02-26S ($50 PCP Visits / Rewards) | POS · Expanded Bronze | Preferred | Accepting new patients |
| BlueCare Gold 24K01-08 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K01-10 ($40 PCP Visits / $75 Specialist Visits / $15 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K01-33S ($30 PCP Visits / $60 Specialist Visits / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K02-20 ($0 Deductible / $15 PCP Visits / $75 Specialist Visits / $20 Labs / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Gold 24K02-28S ($30 PCP Visits / $60 Specialist Visits / Rewards) | POS · Gold | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-04 ($0 Labs / $15 PCP Visits / $35 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-07 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K01-34S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K02-15 ($0 Deductible / $0 Labs / $15 PCP Visits / $25 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Platinum 24K02-29S ($0 Deductible / $10 PCP Visits / $20 Specialist Visits / Rewards) | POS · Platinum | Preferred | Accepting new patients |
| BlueCare Silver 24K01-02 ($10 Labs / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K01-06 ($50 PCP Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K01-32S ($40 PCP Visits / $80 Specialist Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K02-21 ($10 Labs / Rewards) | POS · Silver | Preferred | Accepting new patients |
| BlueCare Silver 24K02-27S ($40 PCP Visits / $80 Specialist Visits / Rewards) | POS · Silver | Preferred | Accepting new patients |
This covers ACA Marketplace plans only, as reported by each insurer. It does not include employer, Medicare Advantage, or state-run exchange plans, and a plan missing from this list does not mean Dr. John N. Harker is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Medicare Enrollment
Dr. John N. Harker is enrolled to bill Medicare as a Practitioner - Orthopedic Surgery .
Bills through: Clearwater Orthopedic & Sports Medicine Inc
Based on Medicare's public enrollment records as of Jul 17, 2026. This reflects Medicare fee-for-service enrollment only and says nothing about other insurance, quality, outcomes, or board certification.
Payments received
Drug payment
| Stryker | $9202 |
| Zimmer Biomet | $1369 |
| Encore Medical | $879 |
Other
| Food and Beverage | $10366 |
| Travel and Lodging | $2665 |
| Consulting | $129 |
Studies
Graduated in 1989
Affiliated hospitals
Looking for more Orthopedic Surgeons?
Here are orthopedic surgeons in Florida you may want to explore.
- Gender: Male
- Address: 2 Shircliff Way Suite 605 Jacksonville, 32204, FL
- Gender: Male
- Address: Suite 1 1641 Tamiami Trail Port Charlotte, 33948, FL
- Gender: Female
- Address: 1650 Sand Lake Road Suite 114A Orlando, 32809, FL
- Gender: Male
- Address: 1661 Davenport Drive Trinity, 34655, FL
- Gender: Male
- Address: 425 Webbs Cove Osprey, 34229, FL
- Gender: Male
- Address: Suite 205 836 Sunset Lake Boulevard Venice, 34292, FL
- Gender: Male
- Address: 8940 North Kendall Drive Suite 601E Miami, 33176, FL
- Gender: Female
- Address: 603 7th South Street 440 Saint Petersburg, 33701, FL
- Gender: Male
- Address: 14555 Cortez Boulevard Brooksville, 34613, FL
- Gender: Male
- Address: 8645 Boynton Beach Boulevard Boynton Beach, 33472, FL
Questions & Answers
What conditions does Dr. John Nicholas Harker treat?
Dr. John Nicholas Harker provides treatment for Broken Bone, Elbow Pain, Hip Replacement, Rotator Cuff Tear, Tennis Elbow, Whiplash. For the full list see this list.
Where can you meet with Dr. John Nicholas Harker?
Dr. John Nicholas Harker's office is located at 12955 Seminole Boulevard in Largo, FL 33778.
Does Dr. John Nicholas Harker have affiliation with practices?
Dr. John Nicholas Harker is affiliated with Clearwater Orthopedic & Sports Medicine.
Has Dr. John Nicholas Harker affiliation with hospitals?
Dr. John Nicholas Harker is affiliated with LARGO MEDICAL CENTER. For the full list of hospitals see this list.
Does Dr. John Nicholas Harker accept patients with Florida Blue (BlueCross BlueShield FL)?
Yes, Dr. John Nicholas Harker is listed in-network for Florida Blue (BlueCross BlueShield FL) through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.