Gretchen Leffler, PAC
NPI 1255457677ActiveIndividual· Physician Assistant· Kalamazoo, MI
Physician Assistant (PAC) with Bronson Methodist Hospital, practicing in Kalamazoo, Michigan. Their prescriptions cost Medicare Part D more than their services did: $409,749 for 4,769 claims, against $11,308 paid for services in 2024. Abbott Laboratories reported $21.94 in payments in 2025, mostly food and beverage. Lists Borgess Medical Center and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1255457677 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PAC |
| Sole proprietor | No |
| NPI issued | Mar 21, 2007 |
| Last updated in NPPES | Nov 27, 2023 |
| Certified by provider | Oct 5, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601004107 | 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 | 70 |
|---|---|
| Services billed | 203 across 11 procedure codes |
| Paid by Medicare | $11,308 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,769 · 10,078 30-day fills |
|---|---|
| Patients | 343 |
| Total drug cost | $409,749 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 2003 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Bronson Methodist HospitalKalamazoo, MI · 729 clinicians
Hospital affiliations
- Borgess Medical CenterKalamazoo, MI
- Bronson Lakeview HospitalPaw Paw, MI
- Bronson Methodist HospitalKalamazoo, MI
Other facilities
- Mary Free Bed at Home, LLCHome health agency · Grand Rapids, MI
Industry payments (Open Payments)
- 2025$21.94 · 1 payment from 1 company
- 2024$494.22 · 22 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbott Laboratories | $21.94 | 1 |
What the 2025 payments were for
- Food and Beverage$21.94 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 180 physician assistants in Kalamazoo · All physician assistants in Michigan