Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of October 4, 2026.
NPIDirectory

Gary James Duncan, MD

Individual provider Family Medicine Physician · NPI 1487150249

Gary James Duncan, MD is registered under Family Practice in Delaware, Ohio. Graduated from University of Texas Medical School at San Antonio in 2018, 8 years ago. Practices with Ohiohealth Corporation, a 2,289-clinician group, works from 2 locations, accepts Medicare assignment and offers telehealth. Licensed in Ohio.

Years since qualifying
8
Trained at
University of Texas Medical School at San Antonio
Licensed in
OH
In the registry since
2018
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

454 W Central Ave
Delaware, OH 43015-1486
Phone: (740) 369-1010
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (1)

  • 697 Thomas Ln, Columbus, OH 43214-3931 — (614) 566-6414

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 35.141372 (OH)

Record details

NPI number1487150249
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 2, 2018
Last updated in NPPESSeptember 18, 2023
Certification dateSeptember 18, 2023

Medicare enrollment

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

Medicare specialtyFAMILY PRACTICE
Medical schoolUNIVERSITY OF TEXAS MEDICAL SCHOOL AT SAN ANTONIO
Graduated 2018 (8 years in practice)
Group practice Ohiohealth Corporation — 2289 clinicians
Accepts Medicare assignment Yes — accepts the Medicare-approved amount
TelehealthOffers telehealth services

Medicare patients and services, 2024

From the CMS Medicare Physician & Other Practitioners file for calendar year 2024. It counts Original Medicare patients only, so a practice that mostly sees Medicare Advantage or privately insured patients looks smaller here than it is.

Medicare patients106
Services billed 585 a service is one billed item, such as a visit, a test or a procedure
Average patient age71

Dollar amounts are not shown. What Medicare pays a practice is gross billings, before staff, premises and tax and including the cost of any drugs it administers, so it is not what a clinician earns.

Practises at

Facilities the CMS Facility Affiliation file lists for this clinician. Those with a page here are linked.

Colleagues at Ohiohealth Corporation

Clinicians the CMS Doctors & Clinicians file lists under the same group practice. CMS counts 2289 clinicians in the practice; 12 are shown here.

Other providers in Delaware