Michael S. Leininger, PA PHYSICIAN ASST
NPI 1235147257ActiveIndividual· Physician Assistant· Joliet, IL
Physician Assistant (PA PHYSICIAN ASST) with Cardiac Surgery Associates SC, practicing in Joliet, Illinois. In 2024 Medicare paid $12,711 for 42 patients, and Part D covered 53 of their prescriptions, 87% of them generic. Terumo Cardiovascular Systems Corporation was the largest of 4 companies reporting payments in 2025, $1,309 in all, mostly travel and lodging. Lists Edward Hospital as a hospital affiliation.
Overview
| NPI | 1235147257 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA PHYSICIAN ASST |
| Sole proprietor | No |
| NPI issued | Aug 4, 2006 |
| Last updated in NPPES | Feb 14, 2020 |
| Certified by provider | Feb 14, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 085002266 | IL |
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 (IA); Practitioner - Physician Assistant (IL); Practitioner - Physician Assistant (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 42 |
|---|---|
| Services billed | 107 across 23 procedure codes |
| Paid by Medicare | $12,711 |
Part D prescriptions in 2024
| Prescriptions (claims) | 53 · 60 30-day fills |
|---|---|
| Patients | 35 |
| Total drug cost | $1,575 |
| Generic share | 87% of claims |
Education and affiliations
| Graduation year | 2004 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Cardiac Surgery Associates SCDowners Grove, IL · 44 clinicians
Hospital affiliation
- Edward HospitalNaperville, IL
Industry payments (Open Payments)
- 2025$1,309 · 10 payments from 4 companies
- 2024$287.73 · 3 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Terumo Cardiovascular Systems Corporation | $1,209 | 6 |
| Innovative Medical Devices, Inc. | $73.40 | 2 |
| Chiesi USA, Inc. | $13.51 | 1 |
| Elutia, Inc. | $12.83 | 1 |
What the 2025 payments were for
- Travel and Lodging$1,032 · 4 payments
- Food and Beverage$277.54 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 47 physician assistants in Joliet · All physician assistants in Illinois