Tamara L. Holzer, DO
NPI 1952518144ActiveIndividual· Surgery· Mount Vernon, OH
Surgery (DO) with Knox Community Hospital, practicing in Mount Vernon, Ohio. 171 Medicare patients in 2024, $42,174 paid; nearly all of their 402 Part D prescriptions were generic (99%). Lists Knox Community Hospital as a hospital affiliation.
Overview
| NPI | 1952518144 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | No |
| NPI issued | May 17, 2007 |
| Last updated in NPPES | Mar 9, 2021 |
| Certified by provider | Mar 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Surgery Primary | 208600000X | 34013954 | OH |
| Surgery | 208600000X | 58-001860 | OH |
| Surgery | 208600000X | 56098 | WI |
| Surgery | 208600000X | 4198 | IA |
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 - General Surgery (OH) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 171 |
|---|---|
| Services billed | 425 across 53 procedure codes |
| Paid by Medicare | $42,174 |
Part D prescriptions in 2024
| Prescriptions (claims) | 402 · 571 30-day fills |
|---|---|
| Patients | 127 |
| Total drug cost | $3,746 |
| Generic share | 99% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | General Surgery |
Medical group
- Knox Community HospitalMount Vernon, OH · 120 clinicians
Hospital affiliation
- Knox Community HospitalMount Vernon, 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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