Jon Michael Carnahan, DO
NPI 1568959609ActiveIndividual· Hospitalist· Muskegon, MI
Hospitalist (DO) in Muskegon, Michigan, trained at Marian University College of Osteopathic Medicine (class of 2018). Mostly services rather than prescriptions: Medicare paid $35,915 for 192 patients in 2024, with only 47 Part D claims. Novo Nordisk Inc was the largest of 3 companies reporting payments in 2025, $54.74 in all, mostly food and beverage.
Overview
| NPI | 1568959609 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DO |
| Sole proprietor | Yes |
| NPI issued | Apr 14, 2018 |
| Last updated in NPPES | Apr 23, 2022 |
| Certified by provider | Apr 23, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Hospitalist Primary | 208M00000X | 5101026325 | MI |
| Internal Medicine | 207R00000X | 5101026325 | MI |
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 (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 192 |
|---|---|
| Services billed | 355 across 15 procedure codes |
| Paid by Medicare | $35,915 |
Part D prescriptions in 2024
| Prescriptions (claims) | 47 · 58 30-day fills |
|---|---|
| Patients | 19 |
| Total drug cost | $2,680 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | Marian University College of Osteopathic Medicine |
|---|---|
| Graduation year | 2018 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical group
- Mercy Specialty ServicesMuskegon, MI · 90 clinicians
Hospital affiliations
- Mercy Health Lakeshore CampusShelby, MI
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$54.74 · 3 payments from 3 companies
- 2024$49.01 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $22.39 | 1 |
| Inspire Medical Systems, Inc. | $17.86 | 1 |
| Merck Sharp & Dohme LLC | $14.49 | 1 |
What the 2025 payments were for
- Food and Beverage$54.74 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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