Erin E. Lewellen, PA
NPI 1801254214ActiveIndividual· Physician Assistant· Westfield, NY
Physician Assistant (PA) with Westfield Family Physicians PC, practicing in Westfield, New York. Their prescriptions cost Medicare Part D more than their services did: $65,939 for 674 claims, against $7,051 paid for services in 2024. Merck Sharp & Dohme LLC was the largest of 2 companies reporting payments in 2025, $56.40 in all, mostly food and beverage. Lists Brooks-Tlc Hospital System, Inc and 1 other hospital as hospital affiliations.
Overview
| NPI | 1801254214 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | PA |
| Sole proprietor | No |
| NPI issued | Feb 1, 2016 |
| Last updated in NPPES | Jul 21, 2022 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | 020074 | NY |
| Family Medicine | 207Q00000X | 0110005208 | VA |
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 | 39 |
|---|---|
| Services billed | 127 across 24 procedure codes |
| Paid by Medicare | $7,051 |
Part D prescriptions in 2024
| Prescriptions (claims) | 674 · 1,467 30-day fills |
|---|---|
| Patients | 174 |
| Total drug cost | $65,939 |
| Generic share | 88% of claims |
Education and affiliations
| Graduation year | 2015 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Westfield Family Physicians PCWestfield, NY · 14 clinicians
Hospital affiliations
- Brooks-Tlc Hospital System, IncDunkirk, NY
- Westfield Memorial Hospital, IncWestfield, NY
Other facilities
- Willcare Chha (Buffalo)Home health agency · Amherst, NY
Industry payments (Open Payments)
- 2025$56.40 · 2 payments from 2 companies
- 2024$18.36 · 1 payment from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Merck Sharp & Dohme LLC | $32.46 | 1 |
| Novo Nordisk Inc | $23.94 | 1 |
What the 2025 payments were for
- Food and Beverage$56.40 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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