Maria A. Thelen, P.A.-C.
NPI 1639115165ActiveIndividual· Physician Assistant· Saint Johns, MI
Physician Assistant (P.A.-C.) with David J. Smith MD PC, practicing in Saint Johns, Michigan. Their prescriptions cost Medicare Part D more than their services did: $330,097 for 2,568 claims, against $18,786 paid for services in 2024. Amgen Inc. was the largest of 6 companies reporting payments in 2025, $141.22 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1639115165 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | P.A.-C. |
| Sole proprietor | No |
| NPI issued | Jun 22, 2006 |
| Last updated in NPPES | May 17, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601004441 | 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 | 109 |
|---|---|
| Services billed | 356 across 30 procedure codes |
| Paid by Medicare | $18,786 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,568 · 5,773 30-day fills |
|---|---|
| Patients | 358 |
| Total drug cost | $330,097 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- David J. Smith MD PCGrand Ledge, MI · 12 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- McLaren Greater LansingLansing, MI
- University of Michigan Health- Sparrow ClintonSaint Johns, MI
Industry payments (Open Payments)
- 2025$141.22 · 8 payments from 6 companies
- 2024$50.09 · 3 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Amgen Inc. | $50.90 | 3 |
| Radius Health, Inc. | $23.16 | 1 |
| Novartis Pharmaceuticals Corporation | $19.48 | 1 |
| Novo Nordisk Inc | $18.03 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $14.96 | 1 |
What the 2025 payments were for
- Food and Beverage$141.22 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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