Henry Hagenstein, D.O.
NPI 1346328226ActiveIndividual· Specialist· Grand Blanc, MI
Specialist (D.O.) with Legacy Healthcare Services Inc, practicing in Grand Blanc, Michigan. Their prescriptions cost Medicare Part D more than their services did: $3,454,869 for 3,127 claims, against $75,123 paid for services in 2024. Abbvie Inc. was the largest of 17 companies reporting payments in 2025, $972.39 in all, mostly food and beverage. Lists Ascension Genesys Hospital as a hospital affiliation.
Overview
| NPI | 1346328226 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | Nov 1, 2006 |
| Last updated in NPPES | Mar 23, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | HH007300 | 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 - Neurology (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 324 |
|---|---|
| Services billed | 1,683 across 26 procedure codes |
| Paid by Medicare | $75,123 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,127 · 5,200 30-day fills |
|---|---|
| Patients | 449 |
| Total drug cost | $3,454,869 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 1977 |
|---|---|
| Medicare specialty | Neurology |
Medical group
- Legacy Healthcare Services IncGreenville, SC · 3,223 clinicians
Hospital affiliation
- Ascension Genesys HospitalGrand Blanc, MI
Industry payments (Open Payments)
- 2025$972.39 · 50 payments from 17 companies
- 2024$1,551 · 89 payments from 20 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $333.97 | 21 |
| Ucb, Inc. | $77.32 | 4 |
| Pfizer Inc. | $68.01 | 3 |
| Eisai Inc. | $58.49 | 2 |
| Novartis Pharmaceuticals Corporation | $57.83 | 2 |
What the 2025 payments were for
- Food and Beverage$972.39 · 50 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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