Joseph A. Zacharias, MD
NPI 1881847572ActiveIndividual· Internal Medicine· Marietta, OH
Internal Medicine (MD) with Marietta Memorial Hospital and 1 other group, practicing in Marietta, Ohio. In 2024 Medicare paid $75,767 for 322 patients, and Part D covered 356 of their prescriptions, 85% of them generic. Zoll Services LLC (A/K/A Zoll Lifecor Corp) was the largest of 3 companies reporting payments in 2025, $80.82 in all, mostly food and beverage. Lists Marietta Memorial Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1881847572 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Oct 28, 2008 |
| Last updated in NPPES | Oct 23, 2026 |
| Certified by provider | Oct 23, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 35.095854 | OH |
| Hospitalist | 208M00000X | 35095854 | OH |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (OH); Practitioner - Hospitalist (WV) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 322 |
|---|---|
| Services billed | 807 across 18 procedure codes |
| Paid by Medicare | $75,767 |
Part D prescriptions in 2024
| Prescriptions (claims) | 356 · 366 30-day fills |
|---|---|
| Patients | 151 |
| Total drug cost | $16,853 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2005 |
|---|---|
| Medicare specialty | Hospitalist |
| Secondary specialties | Internal Medicine |
Medical groups
- Marietta Memorial HospitalMarietta, OH · 392 clinicians
- Mhc Physicians IncWilliamstown, WV · 16 clinicians
Hospital affiliations
- Marietta Memorial HospitalMarietta, OH
- Selby General HospitalMarietta, OH
Industry payments (Open Payments)
- 2025$80.82 · 5 payments from 3 companies
- 2024$193.57 · 9 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $44.80 | 3 |
| Viatris Specialty LLC | $19.35 | 1 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $16.67 | 1 |
What the 2025 payments were for
- Food and Beverage$80.82 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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