D Matthew Koehler, MD
NPI 1316031594ActiveIndividual· Internal Medicine· Delaware, OH
Internal Medicine (MD) in Delaware, Ohio, licensed in OH, with an NPI issued in October 2006. Their prescriptions cost Medicare Part D more than their services did: $792,199 for 7,843 claims, against $56,223 paid for services in 2024.
Overview
| NPI | 1316031594 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Oct 3, 2006 |
| Last updated in NPPES | Jan 25, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35067848 | 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 - Internal Medicine (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 546 |
|---|---|
| Services billed | 1,676 across 31 procedure codes |
| Paid by Medicare | $56,223 |
Part D prescriptions in 2024
| Prescriptions (claims) | 7,843 · 16,987 30-day fills |
|---|---|
| Patients | 455 |
| Total drug cost | $792,199 |
| Generic share | 86% of claims |
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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