Stella Wong, PA-C
NPI 1861265688ActiveIndividual· Physician Assistant· Frederick, MD
Physician Assistant (PA-C) with Michael R. Warner Mdpa, practicing in Frederick, Maryland. Their prescriptions cost Medicare Part D more than their services did: $20,004 for 26 claims, against $5,599 paid for services in 2024. Sobi, Inc was the largest of 24 companies reporting payments in 2025, $1,010 in all, mostly food and beverage.
Overview
| NPI | 1861265688 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Nov 2, 2023 |
| Last updated in NPPES | Nov 11, 2025 |
| Certified by provider | Nov 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | C0009128 | MD |
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 - Physician Assistant (MD) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 44 |
|---|---|
| Services billed | 80 across 5 procedure codes |
| Paid by Medicare | $5,599 |
Part D prescriptions in 2024
| Prescriptions (claims) | 26 · 27 30-day fills |
|---|---|
| Patients | 15 |
| Total drug cost | $20,004 |
| Generic share | 85% of claims |
Education and affiliations
| Graduation year | 2023 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Michael R. Warner MdpaFrederick, MD · 6 clinicians
Industry payments (Open Payments)
- 2025$1,010 · 38 payments from 24 companies
- 2024$984.26 · 39 payments from 21 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Sobi, Inc | $173.84 | 3 |
| Merck Sharp & Dohme LLC | $118.91 | 5 |
| Abbvie Inc. | $94.91 | 3 |
| Novartis Pharmaceuticals Corporation | $83.60 | 3 |
| Genzyme Corporation | $62.56 | 2 |
What the 2025 payments were for
- Food and Beverage$1,010 · 38 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 108 physician assistants in Frederick · All physician assistants in Maryland