Aaron Michael Vanwagnen, MD
NPI 1245305044ActiveIndividual· Internal Medicine· Jackson, MI
Internal Medicine (MD) in Jackson, Michigan, licensed in MI, with an NPI issued in November 2006. Their prescriptions cost Medicare Part D more than their services did: $579,171 for 5,352 claims, against $56,509 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $947.34 in all, mostly food and beverage. Lists Henry Ford Allegiance Health as a hospital affiliation.
Overview
| NPI | 1245305044 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Nov 21, 2006 |
| Last updated in NPPES | Dec 10, 2020 |
| Certified by provider | Dec 10, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 078023 | 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 | 97 |
|---|---|
| Services billed | 905 across 29 procedure codes |
| Paid by Medicare | $56,509 |
Part D prescriptions in 2024
| Prescriptions (claims) | 5,352 · 11,424 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $579,171 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- Henry Ford Allegiance HealthJackson, MI
Industry payments (Open Payments)
- 2025$947.34 · 49 payments from 7 companies
- 2024$224.56 · 12 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $306.54 | 17 |
| Pfizer Inc. | $196.40 | 9 |
| Novartis Pharmaceuticals Corporation | $144.00 | 7 |
| Ars Pharmaceuticals Operations, Inc. | $112.65 | 5 |
| Amgen Inc. | $101.41 | 6 |
What the 2025 payments were for
- Food and Beverage$947.34 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 66 internal medicine physicians in Jackson · All internal medicine physicians in Michigan