Dr. Gregory S. Duncan
- Gender: Male
- Experience: 36 years
- Graduated from: California School Of Podiatric Medicine
- Graduation year: 1985
- Sole propriator: Yes
- NPI: 1902804065
Dr. Gregory S. Duncan D.P.M
Foot and Ankle Surgeon
He is located at 3526 Jersey Ridge Road in Davenport, IA 52807. Can help patients with the following: Bunions, Corns, Foot Pain, Morton's Neuroma, Stress Fracture, Turf Toe. His National Provider Identifier (NPI) number is 1902804065. Appointment can be made via the phone number (563) 355-3233. He is affiliated with 2 hospitals.
Conditions treated
Dr. Gregory S. Duncan, being an foot and ankle 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. Gregory S. Duncan.
- Achilles Tendon Rupture
- Ankle Pain
- Broken Bone
- Bunions
- Bursitis
- Corns
- Diabetic Foot Ulcer
- Dislocated Ankle
- Foot Pain
- Hammer Toe
- Heel Spurs
- Ingrown Toenail
- Metatarsal Surgery
- Morton's Neuroma
- Plantar Fasciitis
- Plantar Warts
- Sesamoiditis
- Sever's Disease
- Sprained Ankle
- Stress Fracture
- Turf Toe
Procedures Performed by Dr. Gregory S. Duncan
ACA Marketplace (Obamacare/HealthCare.gov) plan networks
Insurers selling ACA Marketplace (HealthCare.gov) plans list Dr. Gregory S. Duncan as in-network for the following 2026 plans.
Health plans
Medica
Network data as of Mar 23, 2026, as reported by the insurer.
Show all 18 plans from Medica
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Inspire by Medica Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Inspire by Medica Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Inspire by Medica Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Inspire by Medica Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Inspire by Medica Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Inspire by Medica Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Inspire by Medica Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Inspire by Medica Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Inspire by Medica Silver Standard | EPO · Silver | Preferred | Accepting new patients |
| Medica Insure Bronze $0 Copay PCP Visits | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Insure Bronze Share | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Insure Expanded Bronze Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Medica Insure Gold $0 Copay PCP Visits | EPO · Gold | Preferred | Accepting new patients |
| Medica Insure Gold Share | EPO · Gold | Preferred | Accepting new patients |
| Medica Insure Gold Standard | EPO · Gold | Preferred | Accepting new patients |
| Medica Insure Silver $0 Copay PCP Visits | EPO · Silver | Preferred | Accepting new patients |
| Medica Insure Silver Share | EPO · Silver | Preferred | Accepting new patients |
| Medica Insure Silver Standard | EPO · Silver | Preferred | Accepting new patients |
Oscar Insurance Company
Network data as of Sep 15, 2026, as reported by the insurer.
Show all 10 plans from Oscar Insurance Company
| Plan | Plan type | Network tier | New patients |
|---|---|---|---|
| Bronze Classic 4700 | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Classic Standard | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Bronze Elite + PCP Saver Plus | EPO · Expanded Bronze | Preferred | Accepting new patients |
| Gold Classic Standard | EPO · Gold | Preferred | Accepting new patients |
| Gold Elite | EPO · Gold | Preferred | Accepting new patients |
| Secure | EPO · Catastrophic | Preferred | Accepting new patients |
| Silver Classic | EPO · Silver | Preferred | Accepting new patients |
| Silver Classic Standard | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple Diabetes | EPO · Silver | Preferred | Accepting new patients |
| Silver Simple PCP Saver | EPO · 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. Gregory S. Duncan is out of network. Insurer directories can be out of date, so always confirm with the insurer and the office before your visit.
Payments received
Drug payment
| Stryker | $588 |
| Smith \u0026 Nephew | $361 |
| Organogenesis | $174 |
Other
| Food and Beverage | $1503 |
Studies
CALIFORNIA SCHOOL OF PODIATRIC MEDICINE
Graduated in 1985Additional Specialities
- Podiatrist
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Questions & Answers
Where can you meet with Dr. Gregory S. Duncan?
Dr. Gregory S. Duncan's office is located at 3526 Jersey Ridge Road in Davenport, IA 52807.
What conditions does Dr. Gregory S. Duncan treat?
Dr. Gregory S. Duncan provides treatment for Bunions, Corns, Foot Pain, Morton's Neuroma, Stress Fracture, Turf Toe. For the full list see this list.
Does Dr. Gregory S. Duncan accept patients with Medica?
Yes, Dr. Gregory S. Duncan is listed in-network for Medica through the ACA Marketplace (Obamacare/HealthCare.gov). See the Marketplace plans section for details.
Has Dr. Gregory S. Duncan affiliation with hospitals?
Dr. Gregory S. Duncan is affiliated with TRINITY - ROCK ISLAND. For the full list of hospitals see this list.