Matthew C. Griffin, D.O.
NPI 1144649690ActiveIndividual· Internal Medicine· Ypsilanti, MI
Internal Medicine (D.O.) in Ypsilanti, Michigan, trained at Des Moines University of Osteopathic Medicine and Health Sciences (class of 2014). In 2024 Medicare paid $80,271 for 405 patients, and Part D covered 284 of their prescriptions, 80% of them generic. Abbvie Inc. was the largest of 3 companies reporting payments in 2025, $102.17 in all, mostly food and beverage.
Overview
| NPI | 1144649690 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Apr 14, 2014 |
| Last updated in NPPES | May 7, 2026 |
| Certified by provider | May 7, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 5101021282 | 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 | 405 |
|---|---|
| Services billed | 965 across 10 procedure codes |
| Paid by Medicare | $80,271 |
Part D prescriptions in 2024
| Prescriptions (claims) | 284 · 288 30-day fills |
|---|---|
| Patients | 97 |
| Total drug cost | $22,042 |
| Generic share | 80% of claims |
Education and affiliations
| Medical school | Des Moines University of Osteopathic Medicine and Health Sciences |
|---|---|
| Graduation year | 2014 |
| Medicare specialty | Internal Medicine |
| Secondary specialties | Hospitalist |
Medical groups
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
- Capital Internal Medicine Associates P.C.Lansing, MI · 65 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- Edward W Sparrow HospitalLansing, MI
- McLaren Greater LansingLansing, MI
- Trinity Health Livingston HospitalHowell, MI
Other facilities
- McLaren HospiceHospice · Davison, MI
Industry payments (Open Payments)
- 2025$102.17 · 5 payments from 3 companies
- 2024$110.01 · 4 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $42.12 | 2 |
| Paratek Pharmaceuticals, Inc. | $41.51 | 2 |
| Penumbra, Inc. | $18.54 | 1 |
What the 2025 payments were for
- Food and Beverage$102.17 · 5 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 232 internal medicine physicians in Ypsilanti · All internal medicine physicians in Michigan