1. Home
  2. Directory
  3. Iowa
  4. Davenport
  5. Podiatrist
  6. NPI Profile

DR. GREGORY S DUNCAN D.P.M
NPI 1902804065
Podiatrist - Foot Surgery in Davenport, IA

Active since July 12, 2005PECOS EnrolledAccepts Medicare Assignment
3526 JERSEY RIDGE RD, DAVENPORT, IA 52807(563) 355-3233(563) 355-8990 Get Directions Write a Review

NPPES record last updated: January 24, 2008. Verified against the NPPES registry weekly; last sync: July 26, 2026.

About Dr. Gregory S Duncan D.p.m NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

DR. GREGORY S DUNCAN D.P.M (NPI 1902804065) is an individual foot surgery provider in Davenport, Iowa, licensed in Iowa (429) and active in the NPI registry since July 2005. He is enrolled in Medicare PECOS and is a graduate of California School Of Podiatric Medicine (1985).

NPPES Registry Identity

NPI1902804065
Entity TypeIndividualMale
Primary Taxonomy213ES0131X
Provider Legal NameDR. GREGORY S DUNCANCredential: D.P.M
Location Address3526 JERSEY RIDGE RDDavenport, IA 52807-2223
Mailing Address3526 Jersey Ridge RdDavenport, IA 52807-2223
Phone(563) 355-3233
Fax(563) 355-8990
Sole ProprietorYes
Medical School CMSCalifornia School Of Podiatric MedicineGraduated 1985
Enumeration DateJuly 12, 2005
Last NPPES UpdateJanuary 24, 2008
✔ NPI 1902804065 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPodiatrist · Foot SurgeryPodiatric Medicine & Surgery Service Providers
Taxonomy Code213ES0131X
License✔ Licensed in IA · 429
3526 JERSEY RIDGE RD, Davenport, IA 52807
Open in Google Maps ↗

Other Identifiers 2

Medicare NSC0237040001IA
Medicare UPINT01378IA

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Medica.Insurance ›

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, and ordering and referring status from the CMS PECOS system.

Medicare Enrollment Status

✔

Enrolled in Medicare and accepts Medicare assignment

Dr. Gregory S Duncan D.p.m is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.

PECOS PAC ID3375591548
PECOS Enrollment IDI20050105000419
Eligible to Order & Refer– Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Areas of Expertise CMS Part B claims 9

Services this provider delivered to Medicare fee-for-service patients, from the CMS Medicare utilization data. Higher counts generally reflect more experience with a service; care delivered outside Medicare is not included.

Removal of fingernails or toenails, 6 or more nails 11721
This procedure involves the removal of six or more fingernails or toenails. It's typically done to treat severe nail infections, persistent pain, or abnormal nail growth. Local anesthesia is used to minimize discomfort. Healing usually takes a few weeks.
651 services226 patients
New patient office or other outpatient visit with low level of medical decision making, if using time, 30 minutes or more 99203
This service involves an initial office or outpatient visit for a new patient. The healthcare professional will spend 30-44 minutes understanding your health history, current issues, and discussing possible treatment plans. It's a comprehensive evaluation to start your healthcare journey.
127 services127 patients
Established patient office or other outpatient visit with low level od decision making, if using time, 20 minutes or more 99213
This is a routine visit for patients who have already been seen by the healthcare provider. During this approximately 20-29 minute appointment, your health status will be evaluated and any necessary treatments or tests will be discussed. It's a chance to address any health concerns you may have.
86 services74 patients
Removal of noncancer thickened skin growth, 1 growth 11055
This procedure involves the removal of a thickened skin growth that is not cancerous. A healthcare professional will safely extract the growth, usually under local anesthesia. This process helps maintain skin health and prevent potential complications.
62 services29 patients
New patient office or other outpatient visit with straightforward medical decision making, if using time, 15 minutes or more 99202
This service involves an initial visit to the doctor's office or other outpatient setting. It typically lasts between 15-29 minutes. The doctor will review your medical history, conduct a physical examination, and discuss your health concerns. It's a chance to establish your health baseline and address any immediate medical issues.
50 services50 patients
Removal of noncancer thickened skin growth, 2-4 growths 11056
This procedure involves the safe removal of 2-4 noncancerous thickened skin growths. It's typically done under local anesthesia. The process helps to alleviate discomfort and prevent potential complications. It's a standard, low-risk procedure.
42 services18 patients

Referred Medical Equipment & Supplies CMS DME claims 5

Durable medical equipment, devices and supplies this provider ordered from DME suppliers for patients, from Medicare fee-for-service claims.

For diabetics only, fitting (including follow-up), custom preparation and supply of off-the-shelf depth-inlay shoe manufactured to accommodate multi-density insert(s), per shoe A5500
DME-Orthotic Devices · category DF000N
2 suppliers18 claims36 services$61.41 avg. paid by Medicare
For diabetics only, multiple density insert, made by direct carving with cam technology from a rectified cad model created from a digitized scan of the patient, total contact with patient's foot, including arch, base layer minimum of 3/16 inch material of shore a 35 durometer (or higher), includes arch filler and other shaping material, custom fabricated, each A5514
DME-Orthotic Devices · category DF000N
2 suppliers18 claims108 services$36.11 avg. paid by Medicare
Alginate or other fiber gelling dressing, wound cover, sterile, pad size 16 sq. in. or less, each dressing A6196
DME-Medical/Surgical Supplies · category DA023N
3 suppliers11 claims330 services$7.15 avg. paid by Medicare
Gauze, non-impregnated, sterile, pad size 16 sq. in. or less, without adhesive border, each dressing A6402
DME-Medical/Surgical Supplies · category DA023N
4 suppliers16 claims1,232 services$0.11 avg. paid by Medicare
Conforming bandage, non-elastic, knitted/woven, sterile, width greater than or equal to three inches and less than five inches, per yard A6446
DME-Medical/Surgical Supplies · category DA023N
4 suppliers18 claims2,025 services$0.38 avg. paid by Medicare
Dollar amounts are the average Medicare paid the supplier per service. They are not the cost to the patient.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Gregory Duncan's NPI number?

The NPI number for Gregory Duncan is 1902804065. It was assigned to this individual provider in the NPPES registry on July 12, 2005.

Where is Gregory Duncan located?

Gregory Duncan practices at 3526 Jersey Ridge Rd, Davenport, IA 52807. The listed phone number is (563) 355-3233.

What is Gregory Duncan's specialty?

The primary specialty registered for this NPI is Podiatrist, specializing in Foot Surgery, with taxonomy code 213ES0131X.

Is Gregory Duncan enrolled in Medicare?

Yes. Gregory Duncan is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.

What insurance does Gregory Duncan accept?

Health plans from Medica list Gregory Duncan as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for Gregory Duncan was last updated on January 24, 2008. NPI Profile syncs with the weekly NPPES data releases published by CMS.