Michael W. Deininger, MD
NPI 1932115524ActiveIndividual· Internal Medicine, Hematology· Ann Arbor, MI
Internal Medicine, Hematology (MD) in Ann Arbor, Michigan, licensed in MI and WI, with an NPI issued in August 2006. Part D covered 26 prescriptions written in 2024, 73% of them generic. Genzyme Corporation was the largest of 5 companies reporting payments in 2025, $28,857 in all, mostly consulting fees.
Overview
| NPI | 1932115524 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 1, 2006 |
| Last updated in NPPES | May 28, 2026 |
| Certified by provider | May 28, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Hematology Primary | 207RH0000X | 4301514708 | MI |
| Internal Medicine, Hematology | 207RH0000X | 76729 | WI |
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); Practitioner - Hematology/Oncology (WI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 34 30-day fills |
|---|---|
| Total drug cost | $73,719 |
| Generic share | 73% of claims |
Education and affiliations
| Graduation year | 1990 |
|---|---|
| Medicare specialty | Internal Medicine |
Industry payments (Open Payments)
- 2025$28,857 · 6 payments from 5 companies
- 2024$7,396 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Genzyme Corporation | $24,323 | 2 |
| Sanofi US Services Inc. | $2,211 | 1 |
| Pfizer Inc. | $2,160 | 1 |
| Novartis Pharmaceuticals Corporation | $119.89 | 1 |
| Astrazeneca Pharmaceuticals LP | $43.25 | 1 |
What the 2025 payments were for
- Consulting Fee$26,443 · 2 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2,160 · 1 payment
- Food and Beverage$210.79 · 2 payments
- Education$43.25 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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