James A. Underberg, MD
NPI 1538167127ActiveIndividual· Internal Medicine· New York, NY
Internal Medicine (MD) in New York, New York, trained at Perelman School of Med at the University of Pennsylvania (class of 1986). Their prescriptions cost Medicare Part D more than their services did: $279,453 for 1,553 claims, against $25,310 paid for services in 2024. Regeneron Healthcare Solutions, Inc. was the largest of 9 companies reporting payments in 2025, $89,206 in all, mostly speaking and faculty fees.
Overview
| NPI | 1538167127 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jul 8, 2005 |
| Last updated in NPPES | Jan 15, 2019 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | 171903 | 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 - Internal Medicine (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 125 |
|---|---|
| Services billed | 339 across 15 procedure codes |
| Paid by Medicare | $25,310 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,553 · 3,901 30-day fills |
|---|---|
| Patients | 155 |
| Total drug cost | $279,453 |
| Generic share | 78% of claims |
Education and affiliations
| Medical school | Perelman School of Med at the University of Pennsylvania |
|---|---|
| Graduation year | 1986 |
| Medicare specialty | Internal Medicine |
| Telehealth | Offers telehealth |
Hospital affiliation
- NYU Langone HospitalsNew York, NY
Industry payments (Open Payments)
- 2025$89,206 · 73 payments from 9 companies
- 2024$189,948 · 179 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Regeneron Healthcare Solutions, Inc. | $49,146 | 25 |
| Amgen Inc. | $17,873 | 20 |
| Ionis Pharmaceuticals, Inc. | $16,011 | 12 |
| Chiesi USA, Inc. | $5,797 | 6 |
| Regeneron Pharmaceuticals, Inc. | $214.94 | 2 |
What the 2025 payments were for
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$69,755 · 16 payments
- Travel and Lodging$10,666 · 24 payments
- Consulting Fee$5,580 · 2 payments
- Food and Beverage$1,765 · 29 payments
- Honoraria$1,440 · 2 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 3,004 internal medicine physicians in New York · All internal medicine physicians in New York