Catherine Loniewski Girdler, D.O.
NPI 1275575250ActiveIndividual· Emergency Medicine· Rochester, MI
Emergency Medicine (D.O.) in Rochester, Michigan, trained at Michigan State University College of Osteopathic Medicine (class of 1996). 129 Medicare patients in 2024, $55,554 paid; nearly all of their 219 Part D prescriptions were generic (93%). Reapplix Inc. was the largest of 7 companies reporting payments in 2025, $860.27 in all, mostly food and beverage.
Overview
| NPI | 1275575250 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Jun 12, 2006 |
| Last updated in NPPES | Jan 31, 2024 |
| Certified by provider | Jan 31, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Emergency Medicine Primary | 207P00000X | 5101012990 | MI |
| Emergency Medicine, Emergency Medical Services | 207PE0004X | 5101012990 | 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 - Emergency Medicine (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 129 |
|---|---|
| Services billed | 893 across 28 procedure codes |
| Paid by Medicare | $55,554 |
Part D prescriptions in 2024
| Prescriptions (claims) | 219 · 298 30-day fills |
|---|---|
| Patients | 80 |
| Total drug cost | $7,485 |
| Generic share | 93% of claims |
Education and affiliations
| Medical school | Michigan State University College of Osteopathic Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Emergency Medicine |
Hospital affiliations
- Ascension Providence Rochester HospitalRochester, MI
- Beaumont Hospital Royal OakRoyal Oak, MI
- Beaumont Hospital, TroyTroy, MI
- Henry Ford Health St John HospitalDetroit, MI
- Mackinac Straits Hospital and Health CenterSaint Ignace, MI
Other facilities
- Guardian Angel Home Care and Hospice of Rochester HillsHome health agency · Rochester Hills, MI
Industry payments (Open Payments)
- 2025$860.27 · 13 payments from 7 companies
- 2024$330.40 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Reapplix Inc. | $370.31 | 2 |
| Kerecis Limited | $278.68 | 2 |
| Smith+nephew, Inc. | $57.18 | 3 |
| Urgo Medical North America, LLC | $53.50 | 2 |
| Mimedx Group, Inc. | $44.87 | 2 |
What the 2025 payments were for
- Food and Beverage$860.27 · 13 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other Emergency Medicine providers in Rochester
- 1811975097
- 1700890431
- 1851973838
- 1841451010