Esther Faye Feinstein
NPI 1134645450ActiveIndividual· Physician Assistant· Paterson, NJ
Physician Assistant with Dr Mathias Zemel, LLC, practicing in Paterson, New Jersey. Their prescriptions cost Medicare Part D more than their services did: $792,584 for 1,575 claims, against $6,232 paid for services in 2024. Janssen Biotech, Inc. was the largest of 10 companies reporting payments in 2025, $570.54 in all, mostly food and beverage.
Overview
| NPI | 1134645450 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Sole proprietor | No |
| NPI issued | Aug 17, 2017 |
| Last updated in NPPES | Jan 29, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Physician Assistant Primary | 363A00000X | — | — |
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 - Physician Assistant (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 46 |
|---|---|
| Services billed | 87 across 16 procedure codes |
| Paid by Medicare | $6,232 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,575 · 1,639 30-day fills |
|---|---|
| Patients | 316 |
| Total drug cost | $792,584 |
| Generic share | 93% of claims |
Education and affiliations
| Graduation year | 2017 |
|---|---|
| Medicare specialty | Physician Assistant |
Medical group
- Dr Mathias Zemel, LLCPaterson, NJ · 2 clinicians
Industry payments (Open Payments)
- 2025$570.54 · 29 payments from 10 companies
- 2024$197.15 · 10 payments from 5 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $218.98 | 7 |
| Incyte Corporation | $80.37 | 5 |
| Sun Pharmaceutical Industries Inc. | $76.59 | 5 |
| Novartis Pharmaceuticals Corporation | $54.18 | 2 |
| Pfizer Inc. | $36.65 | 2 |
What the 2025 payments were for
- Food and Beverage$405.60 · 27 payments
- Education$164.94 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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