Catherine Riffle, PA
NPI 1467552968ActiveIndividual· Physician Assistant· Plymouth, MI
Physician Assistant (PA) with Iha Health Services Corporation, practicing in Plymouth, Michigan. Their prescriptions cost Medicare Part D more than their services did: $19,629 for 287 claims, against $4,561 paid for services in 2024. Lists Trinity Health Ann Arbor Hospital as a hospital affiliation.
Overview
| NPI | 1467552968 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Sep 24, 2006 |
| Last updated in NPPES | May 4, 2016 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601001648 | 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 | 39 |
|---|---|
| Services billed | 711 across 14 procedure codes |
| Paid by Medicare | $4,561 |
Part D prescriptions in 2024
| Prescriptions (claims) | 287 · 575 30-day fills |
|---|---|
| Patients | 89 |
| Total drug cost | $19,629 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 1985 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Iha Health Services CorporationPontiac, MI · 1,168 clinicians
Hospital affiliation
- Trinity Health Ann Arbor HospitalAnn Arbor, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 17 physician assistants in Plymouth · All physician assistants in Michigan