Matthew A. Stack, PA C
NPI 1033108667ActiveIndividual· Physician Assistant· Ithaca, MI
Physician Assistant (PA C) with Genesee Health System and 1 other group, practicing in Ithaca, Michigan. Part D covered 554 prescriptions written in 2024, 92% of them generic. E.R. Squibb & Sons, L.L.C. reported $67.80 in payments in 2025, mostly food and beverage.
Overview
| NPI | 1033108667 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA C |
| Sole proprietor | No |
| NPI issued | Oct 17, 2005 |
| Last updated in NPPES | Feb 5, 2026 |
| Certified by provider | Feb 5, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601003961 | MI |
| Psychologist | 103T00000X | 6301007939 | MI |
| Physician Assistant, Medical | 363AM0700X | — | — |
| Physician Assistant | 363A00000X | 2782 | AZ |
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 - Physician Assistant (MI) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 554 · 610 30-day fills |
|---|---|
| Patients | 46 |
| Total drug cost | $86,910 |
| Generic share | 92% of claims |
Education and affiliations
| Graduation year | 2002 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Genesee Health SystemFlint, MI · 35 clinicians
- Trauma and Addiction Solutions, PLLCIthaca, MI · 2 clinicians
Industry payments (Open Payments)
- 2025$67.80 · 3 payments from 1 company
- 2024$40.29 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| E.R. Squibb & Sons, L.L.C. | $67.80 | 3 |
What the 2025 payments were for
- Food and Beverage$67.80 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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