Scott E. Zeilstra, PA-C
NPI 1174963490ActiveIndividual· Physician Assistant· East Lansing, MI
Physician Assistant (PA-C) with Troy Gastroenterology PC, practicing in East Lansing, Michigan. Their prescriptions cost Medicare Part D more than their services did: $782,984 for 1,539 claims, against $64,234 paid for services in 2024. Abbvie Inc. was the largest of 23 companies reporting payments in 2025, $2,587 in all, mostly food and beverage. Lists Edward W Sparrow Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1174963490 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jul 1, 2013 |
| Last updated in NPPES | Mar 19, 2018 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | 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 | 246 |
|---|---|
| Services billed | 2,657 across 19 procedure codes |
| Paid by Medicare | $64,234 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,539 · 2,912 30-day fills |
|---|---|
| Patients | 368 |
| Total drug cost | $782,984 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Troy Gastroenterology PCRochester Hills, MI · 49 clinicians
Hospital affiliations
- Edward W Sparrow HospitalLansing, MI
- McLaren Central MichiganMount Pleasant, MI
- McLaren Greater LansingLansing, MI
Industry payments (Open Payments)
- 2025$2,587 · 136 payments from 23 companies
- 2024$2,654 · 139 payments from 24 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $589.33 | 36 |
| Janssen Biotech, Inc. | $313.94 | 14 |
| Salix Pharmaceuticals, A Division of Bausch Health US, LLC | $245.74 | 13 |
| Lilly USA, LLC | $202.93 | 10 |
| Takeda Pharmaceuticals U.S.A., Inc. | $188.55 | 13 |
What the 2025 payments were for
- Food and Beverage$2,525 · 134 payments
- Education$61.47 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 83 physician assistants in East Lansing · All physician assistants in Michigan