GARY JAMES DUNCAN MD
NPI 1487150249
Family Medicine in Delaware, OH
About Gary James Duncan Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
GARY JAMES DUNCAN MD (NPI 1487150249) is an individual family medicine provider in Delaware, Ohio, licensed in Ohio (35.141372) and active in the NPI registry since April 2018. He is enrolled in Medicare PECOS, is affiliated with Riverside Methodist Hospital, and maintains a secondary practice location in Columbus.
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Location 1
Other Identifiers 1
Accepted Insurance
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare and accepts Medicare assignment
Gary James Duncan Md 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.
Medicare Billing Reassignment
Medicare enrollment records show Gary Duncan reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Columbus, OH 43214
- Reassigned Medicare billing, Ohio enrollment
- 3,314 clinicians in this Medicare group
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
Areas of Expertise CMS Part B claims 6
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.
Hospital Affiliations CMS Care Compare 5
Hospitals where this provider delivers care, identified from recent Medicare claims and place-of-service records.
Riverside Methodist Hospital
Acute Care Hospitals · Columbus, OHGrant Medical Center
Acute Care Hospitals · Columbus, OHDoctors Hospital
Acute Care Hospitals · Columbus, OHGrady Memorial Hospital
Acute Care Hospitals · Delaware, OHDublin Methodist Hospital
Acute Care Hospitals · Dublin, OHPhysician Visit Costs CMS claims · ZIP area
Typical Medicare office-visit costs in the 43015 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
Medicare Quality Performance CMS QPP · MIPS
Performance in the CMS Quality Payment Program: the MIPS final score across four weighted categories, and the individual quality measures reported to Medicare.
Other Providers at the Same Location NPPES 3
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
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 Gary Duncan's NPI number?
The NPI number for Gary Duncan is 1487150249. It was assigned to this individual provider in the NPPES registry on April 2, 2018.
Where is Gary Duncan located?
Gary Duncan practices at 454 W Central Ave, Delaware, OH 43015. The listed phone number is (740) 369-1010.
What is Gary Duncan's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Gary Duncan enrolled in Medicare?
Yes. Gary 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.
Which organization bills Medicare for Gary Duncan's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Gary Duncan reassigns Medicare benefits to Ohiohealth Corporation (Columbus, OH). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Gary Duncan's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.
What insurance does Gary Duncan accept?
Health plans from Anthem Blue Cross and Blue Shield and MedMutual list Gary 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.
Is Gary Duncan affiliated with any hospitals?
According to CMS data, Gary Duncan is affiliated with Riverside Methodist Hospital, Grant Medical Center, Doctors Hospital, Grady Memorial Hospital and Dublin Methodist Hospital.
When was this NPI record last updated?
The NPPES record for Gary Duncan was last updated on September 18, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 years ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.
# Gary James Duncan, MD · NPI 1487150249
Family Medicine physician in Delaware, Ohio. Individual provider, active in the CMS NPPES registry since April 2, 2018.
## Identity
- **NPI:** 1487150249 (Entity type: Individual)
- **Enumerated:** April 2, 2018
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** 35.141372 (Ohio)
- **Sole proprietor:** No
## Practice location
- **Address:** 454 W CENTRAL AVE, Delaware, OH 43015-1486
- **Phone:** (740) 369-1010
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Ohiohealth Corporation (NPI 1194979526, Columbus, OH), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** University Of Texas Medical School At San Antonio, class of 2018
## Record status
- **NPPES last updated:** September 18, 2023
- **Other identifiers:** Medicaid 355024 (OH)
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Source: [NPI Profile](https://npiprofile.com/npi/1487150249) · Data from the CMS NPPES public registry.