William E. Addington, DO
NPI 1003807033ActiveIndividual· Internal Medicine· Marengo, OH
Internal Medicine (DO) in Marengo, Ohio, trained at Ohio University, College of Osteopathic Medicine (class of 1998). Their prescriptions cost Medicare Part D more than their services did: $1,135,264 for 16,594 claims, against $67,327 paid for services in 2024.
Overview
| NPI | 1003807033 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | Oct 31, 2005 |
| Last updated in NPPES | Sep 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 34-00-7270-A | 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 | 345 |
|---|---|
| Services billed | 1,806 across 32 procedure codes |
| Paid by Medicare | $67,327 |
Part D prescriptions in 2024
| Prescriptions (claims) | 16,594 · 34,393 30-day fills |
|---|---|
| Patients | 799 |
| Total drug cost | $1,135,264 |
| Generic share | 88% of claims |
Education and affiliations
| Medical school | Ohio University, College of Osteopathic Medicine |
|---|---|
| Graduation year | 1998 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Family Practice, Urology |
Medical group
- Ohiohealth CorporationColumbus, OH · 2,314 clinicians
Hospital affiliations
- Grant Medical CenterColumbus, OH
- Knox Community HospitalMount Vernon, OH
- Marion General HospitalMarion, OH
- Ohiohealth Morrow County HospitalMount Gilead, OH
- Riverside Methodist HospitalColumbus, OH
Other facilities
- Ohiohealth Home Health With CompassusHome health agency · Dublin, OH
- Summit Orthopaedic Home CareHome health agency · Grandview Heights, OH
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Internal Medicine providers in Marengo
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