Zachary Norman Ginsburg, D.O.
NPI 1649704495ActiveIndividual· Hospitalist· Muskegon, MI
Hospitalist (D.O.) with Mercy Specialty Services, practicing in Muskegon, Michigan. Mostly services rather than prescriptions: Medicare paid $34,058 for 185 patients in 2024, with only 23 Part D claims. Novo Nordisk Inc was the largest of 4 companies reporting payments in 2025, $70.00 in all, mostly food and beverage. Lists Trinity Health Muskegon Hospital as a hospital affiliation.
Overview
| NPI | 1649704495 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 19, 2017 |
| Last updated in NPPES | Apr 23, 2022 |
| Certified by provider | Apr 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 5101025579 | MI |
| Internal Medicine | 207R00000X | G521974636123 | MI |
| Internal Medicine | 207R00000X | 5101025579 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 185 |
|---|---|
| Services billed | 370 across 18 procedure codes |
| Paid by Medicare | $34,058 |
Part D prescriptions in 2024
| Prescriptions (claims) | 23 · 26 30-day fills |
|---|---|
| Patients | 11 |
| Total drug cost | $1,778 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Mercy Specialty ServicesMuskegon, MI · 90 clinicians
Hospital affiliation
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$70.00 · 4 payments from 4 companies
- 2024$171.33 · 5 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $22.40 | 1 |
| Inspire Medical Systems, Inc. | $17.86 | 1 |
| Boehringer Ingelheim Pharmaceuticals, Inc. | $15.25 | 1 |
| Merck Sharp & Dohme LLC | $14.49 | 1 |
What the 2025 payments were for
- Food and Beverage$70.00 · 4 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 35 hospitalists in Muskegon · All hospitalists in Michigan