Mary Therese Mankey, PA-C
NPI 1578589453ActiveIndividual· Physician Assistant· Perry, MI
Physician Assistant (PA-C) with Memorial Hospital, practicing in Perry, Michigan. Their prescriptions cost Medicare Part D more than their services did: $592,144 for 6,192 claims, against $13,240 paid for services in 2024. Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) was the largest of 15 companies reporting payments in 2025, $996.97 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1578589453 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 14, 2006 |
| Last updated in NPPES | Sep 15, 2023 |
| Certified by provider | Sep 15, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601003665 | 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 | 84 |
|---|---|
| Services billed | 231 across 16 procedure codes |
| Paid by Medicare | $13,240 |
Part D prescriptions in 2024
| Prescriptions (claims) | 6,192 · 13,411 30-day fills |
|---|---|
| Patients | 348 |
| Total drug cost | $592,144 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Memorial HospitalPerry, MI · 214 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- Memorial HealthcareOwosso, MI
Industry payments (Open Payments)
- 2025$996.97 · 54 payments from 15 companies
- 2024$490.22 · 27 payments from 10 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $202.91 | 8 |
| Axsome Therapeutics, Inc. | $185.85 | 6 |
| Astrazeneca Pharmaceuticals LP | $174.47 | 13 |
| Novo Nordisk Inc | $143.29 | 11 |
| Pfizer Inc. | $56.14 | 3 |
What the 2025 payments were for
- Food and Beverage$996.97 · 54 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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