Marci E. Messerschmidt, APNP
NPI 1174950398ActiveIndividual· Nurse Practitioner· Appleton, WI
Nurse Practitioner (APNP) with Ascension Medical Group-Fox Valley Wisconsin, Inc, practicing in Appleton, Wisconsin. 25 Medicare patients in 2024, $2,024 paid; nearly all of their 60 Part D prescriptions were generic (97%). Conmed Corporation was the largest of 2 companies reporting payments in 2025, $69.60 in all, mostly food and beverage. Lists Ascension Ne Wisconsin - St Elizabeth Campus as a hospital affiliation.
Overview
| NPI | 1174950398 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APNP |
| Sole proprietor | No |
| NPI issued | Oct 2, 2013 |
| Last updated in NPPES | Oct 2, 2013 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | 166941 | WI |
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 (WI) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 25 |
|---|---|
| Services billed | 35 across 16 procedure codes |
| Paid by Medicare | $2,024 |
Part D prescriptions in 2024
| Prescriptions (claims) | 60 · 60 30-day fills |
|---|---|
| Patients | 51 |
| Total drug cost | $438.60 |
| Generic share | 97% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Ascension Medical Group-Fox Valley Wisconsin, IncAppleton, WI · 259 clinicians
Hospital affiliation
- Ascension Ne Wisconsin - St Elizabeth CampusAppleton, WI
Industry payments (Open Payments)
- 2025$69.60 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Conmed Corporation | $50.00 | 1 |
| Acera Surgical, Inc. | $19.60 | 1 |
What the 2025 payments were for
- Food and Beverage$69.60 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 160 nurse practitioners in Appleton · All nurse practitioners in Wisconsin