David L. Duff, MD
NPI 1588669642ActiveIndividual· Family Medicine· London, OH
Family Medicine (MD) in London, Ohio, trained at Ohio State University College of Medicine (class of 1997). 182 Medicare patients in 2024, $23,154 paid; nearly all of their 216 Part D prescriptions were generic (92%).
Overview
| NPI | 1588669642 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 16, 2005 |
| Last updated in NPPES | Jun 24, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 35078018 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Emergency Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 182 |
|---|---|
| Services billed | 220 across 10 procedure codes |
| Paid by Medicare | $23,154 |
Part D prescriptions in 2024
| Prescriptions (claims) | 216 · 216 30-day fills |
|---|---|
| Patients | 166 |
| Total drug cost | $5,622 |
| Generic share | 92% of claims |
Education and affiliations
| Medical school | Ohio State University College of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Emergency Medicine |
Medical group
- Ohio Emergency Professionals IncMarysville, OH · 6 clinicians
Hospital affiliation
- Madison HealthLondon, OH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 family medicine physicians in London · All family medicine physicians in Ohio