Sara Lorraine Wisniewski, MD
NPI 1336633932ActiveIndividual· Family Medicine· Midland, MI
Family Medicine (MD) with Maan Ekkah MD PC and 1 other group, practicing in Midland, Michigan. Their prescriptions cost Medicare Part D more than their services did: $403,536 for 3,823 claims, against $27,052 paid for services in 2024. Novo Nordisk Inc was the largest of 7 companies reporting payments in 2025, $316.21 in all, mostly food and beverage. Lists Huron Valley-Sinai Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1336633932 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 18, 2018 |
| Last updated in NPPES | Feb 26, 2020 |
| Certified by provider | Feb 26, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Family Medicine Primary | 207Q00000X | 4351031400 | MI |
| Student in an Organized Health Care Education/Training Program | 390200000X | 4301115443 | 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 | 114 |
|---|---|
| Services billed | 370 across 31 procedure codes |
| Paid by Medicare | $27,052 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,823 · 7,992 30-day fills |
|---|---|
| Patients | 405 |
| Total drug cost | $403,536 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Medical groups
- Maan Ekkah MD PCPontiac, MI · 13 clinicians
- Coremed Primary Care PLLCWhite Lake, MI · 5 clinicians
Hospital affiliations
- Huron Valley-Sinai HospitalCommerce Township, MI
- McLaren OaklandPontiac, MI
- Trinity Health Oakland HospitalPontiac, MI
Other facilities
- Optimal Care Home HealthHome health agency · Bingham Farms, MI
- Trinity Health at Home- Southeast MichiganHome health agency · Livonia, MI
Industry payments (Open Payments)
- 2025$316.21 · 16 payments from 7 companies
- 2024$416.53 · 23 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Novo Nordisk Inc | $113.75 | 6 |
| Exact Sciences Corporation | $62.17 | 3 |
| Astrazeneca Pharmaceuticals LP | $40.61 | 2 |
| Glaxosmithkline, LLC. | $37.62 | 2 |
| Abbott Laboratories | $23.09 | 1 |
What the 2025 payments were for
- Food and Beverage$316.21 · 16 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 116 family medicine physicians in Midland · All family medicine physicians in Michigan