Mary Zhen, PA-C
NPI 1063027977ActiveIndividual· Physician Assistant· Ypsilanti, MI
Physician Assistant (PA-C) with Iha Health Services Corporation, practicing in Ypsilanti, Michigan. Their prescriptions cost Medicare Part D more than their services did: $734,769 for 2,883 claims, against $26,293 paid for services in 2024. Abbott Laboratories was the largest of 5 companies reporting payments in 2025, $270.50 in all, mostly food and beverage. Lists Chelsea Hospital and 4 other hospitals as hospital affiliations.
Overview
| NPI | 1063027977 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Sep 9, 2020 |
| Last updated in NPPES | Sep 6, 2022 |
| Certified by provider | Sep 6, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601010116 | 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 | 362 |
|---|---|
| Services billed | 561 across 8 procedure codes |
| Paid by Medicare | $26,293 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,883 · 6,752 30-day fills |
|---|---|
| Patients | 702 |
| Total drug cost | $734,769 |
| Generic share | 80% of claims |
Education and affiliations
| Graduation year | 2020 |
|---|---|
| Medicare specialty | Physician Assistant |
| Telehealth | Offers telehealth |
Medical group
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliations
- Chelsea HospitalChelsea, MI
- St Joe Mercy Hospital System LivoniaLivonia, MI
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
- Trinity Health Livingston HospitalHowell, MI
- University of Michigan Health SystemAnn Arbor, MI
Industry payments (Open Payments)
- 2025$270.50 · 8 payments from 5 companies
- 2024$506.53 · 8 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $86.17 | 1 |
| Pfizer Inc. | $62.32 | 2 |
| Zoll Services LLC (A/K/A Zoll Lifecor Corp) | $58.99 | 3 |
| Bridgebio Pharma, Inc. | $40.43 | 1 |
| Kestra Medical Technology Services, Inc. | $22.59 | 1 |
What the 2025 payments were for
- Food and Beverage$270.50 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 172 physician assistants in Ypsilanti · All physician assistants in Michigan