Dana Beth Gruenenfelder, NP
NPI 1245909969ActiveIndividual· Nurse Practitioner, Pediatrics· Middleton, WI
Nurse Practitioner, Pediatrics (NP) in Middleton, Wisconsin, licensed in WI, with an NPI issued in September 2021. Their prescriptions cost Medicare Part D more than their services did: $126,450 for 1,472 claims, against $4,696 paid for services in 2024. Pfizer Inc. was the largest of 4 companies reporting payments in 2025, $121.64 in all, mostly food and beverage.
Overview
| NPI | 1245909969 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | NP |
| Sole proprietor | No |
| NPI issued | Sep 7, 2021 |
| Last updated in NPPES | Jun 30, 2025 |
| Certified by provider | Jun 30, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Pediatrics Primary | 363LP0200X | 11371-33 | WI |
| Nurse Practitioner, Family | 363LF0000X | 11317 | 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 | 24 |
|---|---|
| Services billed | 94 across 18 procedure codes |
| Paid by Medicare | $4,696 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,472 · 2,931 30-day fills |
|---|---|
| Patients | 108 |
| Total drug cost | $126,450 |
| Generic share | 86% of claims |
Industry payments (Open Payments)
- 2025$121.64 · 7 payments from 4 companies
- 2024$309.11 · 15 payments from 4 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $52.09 | 3 |
| Medtronic, Inc. | $30.70 | 2 |
| Abbvie Inc. | $23.45 | 1 |
| Exact Sciences Corporation | $15.40 | 1 |
What the 2025 payments were for
- Food and Beverage$121.64 · 7 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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