Physician Profile
Unclaimed ProfileAbout Dr. Duncan
Gregory S Duncan, D.P.M is a healthcare provider in Davenport, IA specializing in podiatry. Gregory trained at California School of Podiatric Medicine, graduating in 1985. Gregory is also listed as specializing in podiatry — foot surgery. Medicare claims data shows Gregory provided 1,081 services to 580 patients.
Summarised automatically from public NPI registry and CMS Medicare data. Not written or reviewed by this provider. Claim this profile to replace it.
Education & Training
Areas of Expertise
Licensing & Certification
Source: NPPES NPI Registry
Contact Information
- (563) 355-3233
- Email not available
Practice Locations
3526 JERSEY RIDGE RD
Davenport, IA 52807
Procedures Most Often Billed to Medicare
1,081 services · 580 patients · 9 distinct codes
| Procedure | Type | Code | Services |
|---|---|---|---|
| Removal of fingernails or toenails, 6 or more nails | Procedure | 11721 |
651 |
| Removal of noncancer thickened skin growth, 1 growth | Procedure | 11055 |
62 |
| Removal of noncancer thickened skin growth, 2-4 growths | Procedure | 11056 |
42 |
| Permanent removal fingernail or toenail | Procedure | 11750 |
15 |
| Simple separation of fingernail or toenail from nail bed, first nail | Procedure | 11730 |
13 |
| New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more | Office visit | 99203 |
127 |
| Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more | Office visit | 99213 |
86 |
| New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more | Office visit | 99202 |
50 |
| Established patient office or other outpatient visit with straightforward medical decision making, if using time, 10 minutes or more | Office visit | 99212 |
35 |
Source: CMS Medicare public data. Shows how often procedures were billed — not quality of care or patient satisfaction.
Related providers
Connections drawn from the registry and from what providers have told us. A link here is not a referral or an endorsement.
Trained at California School of Podiatric Medicine 8
Other providers in the same specialty who trained at the same institution.
Class of 1985 at California School of Podiatric Medicine 8
Providers who graduated from the same medical school in the same year.
More connections — 8 related providers in 1 group
Also performs Removal of fingernails or toenails, 6 or more nails 8
Providers in IA who bill this service to Medicare most often.
Common questions
What kind of doctor is Dr. Duncan?
Dr. Duncan is a podiatry in Davenport, IA. This is the primary taxonomy recorded against the NPI in the federal registry, listed there as “PODIATRY”.
NPI registry
What is Dr. Duncan's address?
Dr. Duncan is listed at 3526 JERSEY RIDGE RD, Davenport, IA 52807. Addresses come from the NPI registry and can lag a move, so confirm before travelling.
NPI registry
How can I make an appointment with Dr. Duncan?
The number on file is (563) 355-3233. Guide.md cannot book appointments or pass on messages — please call the office directly.
NPI registry
What is the NPI for Dr. Duncan?
Dr. Duncan's National Provider Identifier is 1902804065. It is issued by the Centers for Medicare & Medicaid Services and is unique and permanent — it does not change if they move practice.
NPI registry
Where did Dr. Duncan train?
Dr. Duncan attended California School of Podiatric Medicine, graduating in 1985. This comes from the CMS National Downloadable File.
CMS public data
How much experience does Dr. Duncan have?
Dr. Duncan has 41 years experience. Calculated from a graduation year of 1985, reported in the CMS National Downloadable File.
CMS public data
What procedures does Dr. Duncan perform?
According to Medicare billing data, Dr. Duncan performs procedures including removal of fingernails or toenails, 6 or more nails, removal of noncancer thickened skin growth, 1 growth and removal of noncancer thickened skin growth, 2-4 growths, alongside routine visits and testing. This reflects Medicare patients only and is billing volume, not a measure of quality.
Medicare claims
Is Dr. Duncan's profile verified?
Not yet. This profile is built from public federal data and has not been confirmed by Dr. Duncan. If this is you, claiming it is free.
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Claim this profileProvider data sourced from the NPPES NPI Registry and CMS public datasets. Information is provided for reference and is not medical advice.