Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Dr. Gregory S Duncan, DPM

Individual provider Foot Surgery Podiatrist · NPI 1902804065

Dr. Gregory S Duncan, DPM is a Podiatry in Davenport, Iowa. Graduated from California School of Podiatric Medicine in 1985, 41 years ago. Practices as a sole proprietor and accepts Medicare assignment. Licensed in Iowa.

Years since qualifying
41
Trained at
California School of Podiatric Medicine
Licensed in
IA
In the registry since
2005
What do these letters mean?
DPM — Doctor of Podiatric Medicine
A foot and ankle physician and surgeon.

See every abbreviation used in this directory →

Practice location Address checks out

3526 Jersey Ridge Rd
Davenport, IA 52807-2223
Phone: (563) 355-3233
Fax: (563) 355-8990
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Foot Surgery Podiatrist (primary) Taxonomy 213ES0131X · Licence 429 (IA)

Record details

NPI number1902804065
Entity typeIndividual (Type 1)
GenderMale
Credentials DPM
Sole proprietorYes
NPI enumeratedJuly 12, 2005
Last updated in NPPESJanuary 24, 2008
Mailing address3526 Jersey Ridge Rd, Davenport, IA 52807-2223

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyPODIATRY
Medical schoolCALIFORNIA SCHOOL OF PODIATRIC MEDICINE
Graduated 1985 (41 years in practice)
Accepts Medicare assignment Yes — accepts the Medicare-approved amount