Gary Duncan, MD
NPI 1487150249 · Family Medicine Physician · Delaware, OH
Enrolled with Medicare as Practitioner - Family Practice · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Gary Duncan, MD is a Family Medicine Physician provider in Delaware, OH (NPI 1487150249).
Provider details
- NPI number
- 1487150249
- Entity type
- Individual
- Primary specialty
- Family Medicine PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- 35.141372 (OH)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure25% of score
8 yrs in NPPES registry
- Profile completeness25% of score
100% of core fields populated
- Practice footprint15% of score
2 documented practice locations
- Medicare service volume (vs. specialty peers)25% of score
322 Medicare services, 2024 (ranked within specialty)
- Open Payments transparency10% of score
Has Open Payments disclosures (2024)
Medicare volume is ranked against active providers in the same specialty. Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our .
What this provider does (Medicare)
Based on Medicare fee-for-service claims, 2024; not all care is captured.
| Service (HCPCS) | Medicare services | Typical Medicare-allowed (2024) |
|---|---|---|
| Established Patient Office Or Other Outpatient Visit With Moderate Level of Decision Making, If Using Time, 30 Minutes Or More99214 | 132 | $123 |
| Visit Complexity Inherent to Evaluation and Management Associated With Medical Care Services That Serve As the Continuing Focal Point for All Needed Health Care Services And/Or With Medical Care Services That Are Part of Ongoing Care Related to a Patient'SG2211 | 74 | $16 |
| Established Patient Office Or Other Outpatient Visit With Low Level OD Decision Making, If Using Time, 20 Minutes Or More99213 | 69 | $88 |
| New Patient Office Or Other Outpatient Visit With Moderate Level of Medical Decision Making, If Using Time, 45 Minutes Or More99204 | 21 | $163 |
| Aspiration And/Or Injection of Fluid From Large Joint20610 | 14 | $73 |
What this provider prescribes (Medicare Part D)
Top drugs by Medicare Part D claim volume, 2024 · 38 distinct drugs on file.
| Drug | Part D claims (2024) | Beneficiaries |
|---|---|---|
| Atorvastatin Calcium | 121 | 42 |
| Levothyroxine Sodium | 87 | 23 |
| Losartan Potassium | 75 | 21 |
| Lisinopril | 68 | 25 |
| Amlodipine Besylate | 60 | 19 |
| Meloxicam | 45 | 27 |
| Gabapentin | 37 |
Transparency — industry payments
Based on CMS Open Payments, 2024; not all care is captured.
$47 across 3 records (Open Payments 2024)
Open Payments discloses payments and transfers of value (meals, travel, consulting, research, royalties) from drug and device makers to providers. This is a transparency signal, not a verdict — such payments are legal and common, and their presence is neither an endorsement nor a criticism. Source: CMS Open Payments, program year 2024.
Practice location
Mailing address
Additional practice locations (1)
- 697 Thomas LnColumbus, OH 43214-3931Phone: (614) 566-6414Fax: (614) 533-0433
Registry dates
- Enumerated
- 2018-04-02
- Last updated
- 2023-09-18
- Certified
- 2023-09-18
Frequently asked questions
- What is Gary Duncan's NPI number?
- Gary Duncan's National Provider Identifier (NPI) is 1487150249, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Gary Duncan's specialty?
- Gary Duncan is listed in the NPPES registry with a primary specialty of Family Medicine Physician (Allopathic & Osteopathic Physicians).
- Where is Gary Duncan located?
- Gary Duncan's practice location on file with NPPES is 454 W Central Ave, Delaware, OH 43015-1486.
- What is Gary Duncan's phone number?
- The practice phone number listed in the NPPES registry for Gary Duncan is (740) 369-1010.
- Does Gary Duncan accept Medicare?
- Gary Duncan is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Gary Duncan's NPI active?
- Yes — Gary Duncan's NPI (1487150249) is active in the NPPES registry as of the last update on 2023-09-18.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.