Melissa Marie Wynsma, NP-C
NPI 1679245401ActiveIndividual· Nurse Practitioner, Family· Muskegon, MI
Nurse Practitioner, Family (NP-C) with Mercy Physician Network, practicing in Muskegon, Michigan. Their prescriptions cost Medicare Part D more than their services did: $259,898 for 2,651 claims, against $300.37 paid for services in 2024. Collegium Pharmaceutical, Inc. was the largest of 2 companies reporting payments in 2025, $34.53 in all, mostly food and beverage. Lists Trinity Health Muskegon Hospital as a hospital affiliation.
Overview
| NPI | 1679245401 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP-C |
| Sole proprietor | No |
| NPI issued | Sep 30, 2021 |
| Last updated in NPPES | Jan 20, 2022 |
| Certified by provider | Jan 20, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 4704231816 | 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 | 19 |
|---|---|
| Services billed | 45 across 7 procedure codes |
| Paid by Medicare | $300.37 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,651 · 4,500 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $259,898 |
| Generic share | 83% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Mercy Physician NetworkSpring Lake, MI · 112 clinicians
Hospital affiliation
- Trinity Health Muskegon HospitalMuskegon, MI
Industry payments (Open Payments)
- 2025$34.53 · 2 payments from 2 companies
- 2024$150.48 · 7 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $20.01 | 1 |
| Abbvie Inc. | $14.52 | 1 |
What the 2025 payments were for
- Food and Beverage$34.53 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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