Pamella Ann Walker, PA-C
NPI 1558922070ActiveIndividual· Physician Assistant· Smithtown, NY
Physician Assistant (PA-C) with Chs Physician Partners PC, practicing in Smithtown, New York. Their prescriptions cost Medicare Part D more than their services did: $912,694 for 2,071 claims, against $117,298 paid for services in 2024. Glaxosmithkline, LLC. was the largest of 16 companies reporting payments in 2025, $1,036 in all, mostly food and beverage. Lists St Catherine of Siena Hospital as a hospital affiliation.
Overview
| NPI | 1558922070 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA-C |
| Sole proprietor | No |
| NPI issued | Jun 25, 2019 |
| Last updated in NPPES | Mar 11, 2025 |
| Certified by provider | Mar 11, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 023756 | NY |
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 (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 426 |
|---|---|
| Services billed | 3,913 across 23 procedure codes |
| Paid by Medicare | $117,298 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,071 · 2,923 30-day fills |
|---|---|
| Patients | 435 |
| Total drug cost | $912,694 |
| Generic share | 49% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Chs Physician Partners PCRoslyn, NY · 743 clinicians
Hospital affiliation
- St Catherine of Siena HospitalSmithtown, NY
Industry payments (Open Payments)
- 2025$1,036 · 49 payments from 16 companies
- 2024$2,156 · 91 payments from 17 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaxosmithkline, LLC. | $177.48 | 11 |
| Astrazeneca Pharmaceuticals LP | $130.43 | 7 |
| Genzyme Corporation | $101.57 | 3 |
| Verona Pharma, Inc. | $86.44 | 5 |
| Vifor Pharma, Inc. | $86.03 | 4 |
What the 2025 payments were for
- Food and Beverage$1,036 · 49 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 65 physician assistants in Smithtown · All physician assistants in New York