Sarah Zielinski, PA-C
NPI 1912574120ActiveIndividual· Physician Assistant· Okemos, MI
Physician Assistant (PA-C) with Grand River Family Care PC, practicing in Okemos, Michigan. Their prescriptions cost Medicare Part D more than their services did: $338,057 for 3,649 claims, against $24,205 paid for services in 2024. Abbvie Inc. was the largest of 19 companies reporting payments in 2025, $1,135 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1912574120 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 7, 2021 |
| Last updated in NPPES | Jul 25, 2022 |
| Certified by provider | May 9, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 | 139 |
|---|---|
| Services billed | 700 across 46 procedure codes |
| Paid by Medicare | $24,205 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,649 · 8,115 30-day fills |
|---|---|
| Patients | 559 |
| Total drug cost | $338,057 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Grand River Family Care PCOkemos, MI · 2 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- McLaren Greater LansingLansing, MI
Industry payments (Open Payments)
- 2025$1,135 · 49 payments from 19 companies
- 2024$1,475 · 70 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $263.83 | 12 |
| Lilly USA, LLC | $160.90 | 5 |
| Octapharma USA, Inc. | $124.99 | 1 |
| Novo Nordisk Inc | $104.33 | 5 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $77.94 | 4 |
What the 2025 payments were for
- Food and Beverage$1,135 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 28 physician assistants in Okemos · All physician assistants in Michigan