Colleen Elizabeth Tillema, FNP
NPI 1720503329ActiveIndividual· Nurse Practitioner, Family· Ada, MI
Nurse Practitioner, Family (FNP) with Spectrum Health Primary Care Partners, practicing in Ada, Michigan. Their prescriptions cost Medicare Part D more than their services did: $36,973 for 392 claims, against $3,537 paid for services in 2024. Lists Spectrum Health as a hospital affiliation.
Overview
| NPI | 1720503329 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | FNP |
| Sole proprietor | No |
| NPI issued | Aug 4, 2017 |
| Last updated in NPPES | Sep 10, 2021 |
| Certified by provider | Sep 10, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704297552 | 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 - Nurse Practitioner (MI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 39 |
|---|---|
| Services billed | 60 across 16 procedure codes |
| Paid by Medicare | $3,537 |
Part D prescriptions in 2024
| Prescriptions (claims) | 392 · 881 30-day fills |
|---|---|
| Patients | 141 |
| Total drug cost | $36,973 |
| Generic share | 84% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Spectrum Health Primary Care PartnersGrand Rapids, MI · 2,294 clinicians
Hospital affiliation
- Spectrum HealthGrand Rapids, MI
Industry payments (Open Payments)
None reported for 2025 or 2024.
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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