Yamileth Wu-Gerrard, MSN
NPI 1215977707ActiveIndividual· Nurse Practitioner· Newark, DE
Nurse Practitioner (MSN) with Nephrology Associates PA, practicing in Newark, Delaware. Their prescriptions cost Medicare Part D more than their services did: $79,360 for 187 claims, against $14,036 paid for services in 2024. Vifor Pharma, Inc. was the largest of 8 companies reporting payments in 2025, $472.78 in all, mostly food and beverage. Lists Christiana Hospital as a hospital affiliation.
Overview
| NPI | 1215977707 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MSN |
| Sole proprietor | No |
| NPI issued | Jun 7, 2006 |
| Last updated in NPPES | May 24, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner Primary | 363L00000X | LD0000112 | DE |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Oct 9, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 10, 2026 | No match | — |
| New York OMIG · Nov 10, 2026 | No match | — |
| Ohio Medicaid · Nov 10, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 10, 2026 | No match | — |
| Washington HCA · Nov 10, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Nurse Practitioner (DE); Practitioner - Nurse Practitioner (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 108 |
|---|---|
| Services billed | 257 across 13 procedure codes |
| Paid by Medicare | $14,036 |
Part D prescriptions in 2024
| Prescriptions (claims) | 187 · 319 30-day fills |
|---|---|
| Patients | 63 |
| Total drug cost | $79,360 |
| Generic share | 79% of claims |
Education and affiliations
| Graduation year | 2001 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Nephrology Associates PAWilmington, DE · 54 clinicians
Hospital affiliation
- Christiana HospitalNewark, DE
Industry payments (Open Payments)
- 2025$472.78 · 10 payments from 8 companies
- 2024$360.64 · 14 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Vifor Pharma, Inc. | $236.08 | 2 |
| Fresenius USA Marketing, Inc. | $52.99 | 2 |
| Astrazeneca Pharmaceuticals LP | $40.83 | 1 |
| Ani Pharmaceuticals, Inc. | $34.98 | 1 |
| Calliditas Therapeutics US Inc. | $30.59 | 1 |
What the 2025 payments were for
- Food and Beverage$472.78 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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