Bethany Joy Tillema, PA-C
NPI 1417920331ActiveIndividual· Physician Assistant· Holland, MI
Physician Assistant (PA-C) with Spectrum Health Primary Care Partners and 1 other group, practicing in Holland, Michigan. 55 Medicare patients in 2024, $11,477 paid; nearly all of their 435 Part D prescriptions were generic (98%). Davol Inc. was the largest of 3 companies reporting payments in 2025, $53.63 in all, mostly food and beverage. Lists Corewell Health Zeeland Hospital and 1 other hospital as hospital affiliations.
Overview
| NPI | 1417920331 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Feb 10, 2006 |
| Last updated in NPPES | Nov 2, 2026 |
| Certified by provider | Nov 2, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 5601008127 | MI |
| Specialist/Technologist, Athletic Trainer | 2255A2300X | 2601000292 | 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 | 55 |
|---|---|
| Services billed | 767 across 18 procedure codes |
| Paid by Medicare | $11,477 |
Part D prescriptions in 2024
| Prescriptions (claims) | 435 · 450 30-day fills |
|---|---|
| Patients | 138 |
| Total drug cost | $4,951 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical groups
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
- Memorial Medical Center of West MichiganLudington, MI · 62 clinicians
Hospital affiliations
- Corewell Health Zeeland HospitalZeeland, MI
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
- 2025$53.63 · 3 payments from 3 companies
- 2024$51.63 · 3 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Davol Inc. | $20.26 | 1 |
| Ferring Pharmaceuticals Inc. | $19.09 | 1 |
| Dynasplint Systems Inc. | $14.28 | 1 |
What the 2025 payments were for
- Food and Beverage$53.63 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 63 physician assistants in Holland · All physician assistants in Michigan