Herbert I. Pasternak, D.O.
NPI 1184610370ActiveIndividual· Internal Medicine, Gastroenterology· Massapequa, NY
Internal Medicine, Gastroenterology (D.O.) in Massapequa, New York, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 1981). In 2024 Medicare paid $252,067 for 446 patients, and Part D covered 1,133 of their prescriptions, 89% of them generic. Janssen Biotech, Inc. was the largest of 11 companies reporting payments in 2025, $1,240 in all, mostly food and beverage.
Overview
| NPI | 1184610370 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | No |
| NPI issued | Sep 22, 2005 |
| Last updated in NPPES | Jul 9, 2007 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 151369-1 | NY |
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 - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 446 |
|---|---|
| Services billed | 1,008 across 23 procedure codes |
| Paid by Medicare | $252,067 |
Part D prescriptions in 2024
| Prescriptions (claims) | 1,133 · 2,880 30-day fills |
|---|---|
| Patients | 359 |
| Total drug cost | $361,115 |
| Generic share | 89% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 1981 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Gastrointestinal Care of Long Island PLLCAlbany, NY · 183 clinicians
Industry payments (Open Payments)
- 2025$1,240 · 39 payments from 11 companies
- 2024$1,654 · 46 payments from 13 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Janssen Biotech, Inc. | $297.81 | 6 |
| Phathom Pharmaceuticals, Inc. | $215.77 | 5 |
| Novo Nordisk Inc | $154.21 | 3 |
| Vivus LLC | $125.72 | 5 |
| Madrigal Pharmaceuticals | $108.32 | 4 |
What the 2025 payments were for
- Food and Beverage$1,143 · 37 payments
- Education$76.99 · 1 payment
- Grant$20.00 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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