Wendy Wang De Silva, GNP
NPI 1649200825ActiveIndividual· Nurse Practitioner, Gerontology· Silver Spring, MD
Nurse Practitioner, Gerontology (GNP) with Erickson Health Medical Group of Maryland, PC, practicing in Silver Spring, Maryland. Their prescriptions cost Medicare Part D more than their services did: $244,860 for 2,204 claims, against $149,329 paid for services in 2024. Dexcom, Inc. was the largest of 2 companies reporting payments in 2025, $247.37 in all, mostly food and beverage.
Overview
| NPI | 1649200825 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | GNP |
| Sole proprietor | No |
| NPI issued | Jul 4, 2006 |
| Last updated in NPPES | Aug 4, 2026 |
| Certified by provider | Aug 4, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Nurse Practitioner, Gerontology Primary | 363LG0600X | R175265 | MD |
| Nurse Practitioner | 363L00000X | 471109 | CA |
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 (DC) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 346 |
|---|---|
| Services billed | 1,938 across 25 procedure codes |
| Paid by Medicare | $149,329 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,204 · 2,362 30-day fills |
|---|---|
| Patients | 257 |
| Total drug cost | $244,860 |
| Generic share | 86% of claims |
Education and affiliations
| Graduation year | 1999 |
|---|---|
| Medicare specialty | Nurse Practitioner |
Medical group
- Erickson Health Medical Group of Maryland, PCCatonsville, MD · 39 clinicians
Industry payments (Open Payments)
- 2025$247.37 · 2 payments from 2 companies
- 2024$210.84 · 2 payments from 2 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Dexcom, Inc. | $135.37 | 1 |
| Sanofi-Aventis U.S. LLC | $112.00 | 1 |
What the 2025 payments were for
- Food and Beverage$247.37 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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