Daria Rai Wawrzyniak, WHNP
NPI 1356053425ActiveIndividual· Nurse Practitioner, Women's Health· Saint Louis, MO
Nurse Practitioner, Women's Health (WHNP) with Washington University, practicing in Saint Louis, Missouri. Their prescriptions cost Medicare Part D more than their services did: $278,265 for 1,153 claims, against $28,575 paid for services in 2024. Organon LLC was the largest of 3 companies reporting payments in 2025, $90.75 in all, mostly food and beverage.
Overview
| NPI | 1356053425 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | WHNP |
| Sole proprietor | No |
| NPI issued | Dec 20, 2022 |
| Last updated in NPPES | Apr 17, 2025 |
| Certified by provider | Nov 4, 2024 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Women's Health Primary | 363LW0102X | 2022040683 | MO |
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 (MO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 263 |
|---|---|
| Services billed | 676 across 24 procedure codes |
| Paid by Medicare | $28,575 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,153 · 1,912 30-day fills |
|---|---|
| Patients | 285 |
| Total drug cost | $278,265 |
| Generic share | 64% of claims |
Education and affiliations
| Graduation year | 2021 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Industry payments (Open Payments)
- 2025$90.75 · 3 payments from 3 companies
- 2024$286.92 · 9 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Organon LLC | $56.00 | 1 |
| Mayne Pharma Commercial LLC | $19.30 | 1 |
| Abbvie Inc. | $15.45 | 1 |
What the 2025 payments were for
- Food and Beverage$90.75 · 3 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 101 women's health nurse practitioners in Saint Louis · All women's health nurse practitioners in Missouri