Mary Yang, DNP, RN, FNP-BC
NPI 1669995411ActiveIndividual· Nurse Practitioner, Family· Waukesha, WI
Nurse Practitioner, Family (DNP, RN, FNP-BC) with Waukesha County, practicing in Waukesha, Wisconsin. Their prescriptions cost Medicare Part D more than their services did: $114,667 for 753 claims, against $647.60 paid for services in 2024. Otsuka America Pharmaceutical, Inc. was the largest of 9 companies reporting payments in 2025, $196.14 in all, mostly food and beverage.
Overview
| NPI | 1669995411 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | DNP, RN, FNP-BC |
| Sole proprietor | No |
| NPI issued | Jul 24, 2017 |
| 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 | 7797-33 | WI |
| Nurse Practitioner, Psych/Mental Health | 363LP0808X | 7797-33 | 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 | 12 |
|---|---|
| Services billed | 30 across 4 procedure codes |
| Paid by Medicare | $647.60 |
Part D prescriptions in 2024
| Prescriptions (claims) | 753 · 806 30-day fills |
|---|---|
| Patients | 37 |
| Total drug cost | $114,667 |
| Generic share | 95% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Waukesha CountyWaukesha, WI · 30 clinicians
Industry payments (Open Payments)
- 2025$196.14 · 9 payments from 9 companies
- 2024$298.19 · 13 payments from 9 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Otsuka America Pharmaceutical, Inc. | $28.23 | 1 |
| Teva Pharmaceuticals USA, Inc. | $27.47 | 1 |
| Axsome Therapeutics, Inc. | $23.99 | 1 |
| Iti, Inc. (D/B/A Intra-Cellular Therapies, Inc.) | $22.81 | 1 |
| Neurocrine Biosciences, Inc. | $20.39 | 1 |
What the 2025 payments were for
- Food and Beverage$196.14 · 9 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
Other family nurse practitioners in Waukesha
- 1043615560
- 1215586854
- 1275056285
- 1316398589
- 1346548153
- 1356320055
- 1366854069
- 1427206010
- 1457911265
- 1457912412
- 1548976756
- 1558029967
All 97 family nurse practitioners in Waukesha · All family nurse practitioners in Wisconsin