Marie L. Spiess, PA-C
NPI 1104909753ActiveIndividual· Physician Assistant· Owosso, MI
Physician Assistant (PA-C) with Memorial Hospital, practicing in Owosso, Michigan. In 2024 Medicare paid $18,480 for 120 patients, and Part D covered 151 of their prescriptions, 80% of them generic. Kerecis Limited was the largest of 11 companies reporting payments in 2025, $446.96 in all, mostly food and beverage. Lists Memorial Healthcare as a hospital affiliation.
Overview
| NPI | 1104909753 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Oct 24, 2006 |
| Last updated in NPPES | Mar 28, 2017 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601003225 | 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 - Physician Assistant (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 120 |
|---|---|
| Services billed | 675 across 18 procedure codes |
| Paid by Medicare | $18,480 |
Part D prescriptions in 2024
| Prescriptions (claims) | 151 · 158 30-day fills |
|---|---|
| Patients | 77 |
| Total drug cost | $9,998 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Memorial HospitalPerry, MI · 214 clinicians
Hospital affiliation
- Memorial HealthcareOwosso, MI
Other facilities
- Memorial HealthcareHome health agency · Owosso, MI
Industry payments (Open Payments)
- 2025$446.96 · 22 payments from 11 companies
- 2024$339.08 · 15 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Kerecis Limited | $94.62 | 6 |
| Vertex Pharmaceuticals Incorporated | $93.34 | 4 |
| Smith+nephew, Inc. | $60.82 | 3 |
| Paratek Pharmaceuticals, Inc. | $43.62 | 2 |
| Ethicon US, LLC | $26.35 | 1 |
What the 2025 payments were for
- Food and Beverage$446.96 · 22 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 physician assistants in Owosso · All physician assistants in Michigan