Nathaniel Seth Feldman, MD
NPI 1558331132ActiveIndividual· Internal Medicine· Newton, NJ
Internal Medicine (MD) in Newton, New Jersey, trained at State University of New York Downstate Medical Center (class of 1983). In 2024 Medicare paid $93,713 for 404 patients, and Part D covered 294 of their prescriptions, 89% of them generic. Abbvie Inc. was the largest of 4 companies reporting payments in 2025, $185.40 in all, mostly food and beverage.
Overview
| NPI | 1558331132 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 25, 2006 |
| Last updated in NPPES | Nov 19, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 25MA04572600 | NJ |
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 - Internal Medicine (NJ) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 404 |
|---|---|
| Services billed | 1,167 across 10 procedure codes |
| Paid by Medicare | $93,713 |
Part D prescriptions in 2024
| Prescriptions (claims) | 294 · 299 30-day fills |
|---|---|
| Patients | 118 |
| Total drug cost | $13,932 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | State University of New York Downstate Medical Center |
|---|---|
| Graduation year | 1983 |
| Medicare specialty | Internal Medicine |
Medical group
- Practice Associates Medical GroupSummit, NJ · 1,408 clinicians
Hospital affiliations
- Morristown Medical CenterMorristown, NJ
- Newton Medical CenterNewton, NJ
Industry payments (Open Payments)
- 2025$185.40 · 10 payments from 4 companies
- 2024$223.97 · 13 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $130.86 | 7 |
| Pfizer Inc. | $19.00 | 1 |
| Merck Sharp & Dohme LLC | $18.65 | 1 |
| E.R. Squibb & Sons, L.L.C. | $16.89 | 1 |
What the 2025 payments were for
- Food and Beverage$185.40 · 10 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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