Nancy A. Weaver, NP
NPI 1366419806ActiveIndividual· Nurse Practitioner· Carson City, MI
Nurse Practitioner (NP) with Sparrow Carson Hospital, practicing in Carson City, Michigan. Their prescriptions cost Medicare Part D more than their services did: $49,283 for 1,789 claims, against $12,207 paid for services in 2024. Collegium Pharmaceutical, Inc. was the largest of 6 companies reporting payments in 2025, $269.73 in all, mostly food and beverage. Lists University of Michigan Health-Sparrow Carson as a hospital affiliation.
Overview
| NPI | 1366419806 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Mar 3, 2006 |
| Last updated in NPPES | Oct 15, 2010 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 4704114564 | 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 | 113 |
|---|---|
| Services billed | 430 across 6 procedure codes |
| Paid by Medicare | $12,207 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,789 · 1,869 30-day fills |
|---|---|
| Patients | 288 |
| Total drug cost | $49,283 |
| Generic share | 98% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nurse Practitioner |
| Telehealth | Offers telehealth |
Medical group
- Sparrow Carson HospitalGreenville, MI · 64 clinicians
Hospital affiliation
- University of Michigan Health-Sparrow CarsonCarson City, MI
Industry payments (Open Payments)
- 2025$269.73 · 17 payments from 6 companies
- 2024$253.82 · 12 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Collegium Pharmaceutical, Inc. | $140.29 | 10 |
| Abbvie Inc. | $60.51 | 3 |
| Boston Scientific Corporation | $21.47 | 1 |
| Avanos Medical | $18.13 | 1 |
| Averitas Pharma Inc. | $15.66 | 1 |
What the 2025 payments were for
- Food and Beverage$269.73 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other nurse practitioners in Carson City
- 1790804912
- 1104892140