Mercy Mahaga, APNP, RN
NPI 1760882229ActiveIndividual· Nurse Practitioner, Family· Waukesha, WI
Nurse Practitioner, Family (APNP, RN) with Waukesha County and 2 other groups, practicing in Waukesha, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $616,180 for 3,313 claims, against $13,027 paid for services in 2024. Janssen Pharmaceuticals, Inc was the largest of 9 companies reporting payments in 2025, $380.88 in all, mostly food and beverage. Lists Waukesha Memorial Hospital as a hospital affiliation.
Overview
| NPI | 1760882229 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | APNP, RN |
| Sole proprietor | No |
| NPI issued | Sep 2, 2014 |
| Last updated in NPPES | Apr 10, 2026 |
| Certified by provider | Apr 10, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Family Primary | 363LF0000X | 5803-33 | WI |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | 5803-33 | 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 | 100 |
|---|---|
| Services billed | 279 across 19 procedure codes |
| Paid by Medicare | $13,027 |
Part D prescriptions in 2024
| Prescriptions (claims) | 3,313 · 3,588 30-day fills |
|---|---|
| Patients | 187 |
| Total drug cost | $616,180 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical groups
- Waukesha CountyWaukesha, WI · 30 clinicians
- Abg Wellness Group IncMilwaukee, WI · 15 clinicians
- Minuteclinic Diagnostic of Wisconsin LLCMilwaukee, WI · 10 clinicians
Hospital affiliation
- Waukesha Memorial HospitalWaukesha, WI
Industry payments (Open Payments)
- 2025$380.88 · 12 payments from 9 companies
- 2024$456.13 · 16 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Pharmaceuticals, Inc | $169.38 | 3 |
| Alkermes, Inc. | $61.03 | 2 |
| Otsuka America Pharmaceutical, Inc. | $28.23 | 1 |
| Teva Pharmaceuticals USA, Inc. | $27.46 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $20.86 | 1 |
What the 2025 payments were for
- Food and Beverage$380.88 · 12 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 97 family nurse practitioners in Waukesha · All family nurse practitioners in Wisconsin