Igor Grosman, D.O.
NPI 1851506869ActiveIndividual· Internal Medicine, Gastroenterology· Brooklyn, NY
Internal Medicine, Gastroenterology (D.O.) in Brooklyn, New York, trained at New York College of Osteo Medicine of New York Institute of Technology (class of 2003). Their prescriptions cost Medicare Part D more than their services did: $1,109,309 for 2,446 claims, against $165,324 paid for services in 2024. Takeda Pharmaceuticals U.S.A., Inc. was the largest of 10 companies reporting payments in 2025, $390.37 in all, mostly food and beverage.
Overview
| NPI | 1851506869 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | D.O. |
| Sole proprietor | Yes |
| NPI issued | May 12, 2007 |
| Last updated in NPPES | Apr 20, 2011 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 239458 | NY |
| Internal Medicine | 207R00000X | 239458 | 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 - Gastroenterology (NY) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 490 |
|---|---|
| Services billed | 1,476 across 35 procedure codes |
| Paid by Medicare | $165,324 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,446 · 2,686 30-day fills |
|---|---|
| Patients | 607 |
| Total drug cost | $1,109,309 |
| Generic share | 69% of claims |
Education and affiliations
| Medical school | New York College of Osteo Medicine of New York Institute of Technology |
|---|---|
| Graduation year | 2003 |
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- Triborough Gi PLLCBrooklyn, NY · 15 clinicians
Industry payments (Open Payments)
- 2025$390.37 · 17 payments from 10 companies
- 2024$6,552 · 105 payments from 22 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Takeda Pharmaceuticals U.S.A., Inc. | $130.25 | 5 |
| Madrigal Pharmaceuticals | $59.59 | 2 |
| Janssen Biotech, Inc. | $42.49 | 2 |
| Lilly USA, LLC | $37.89 | 2 |
| Celltrion USA Inc. | $25.36 | 1 |
What the 2025 payments were for
- Food and Beverage$390.37 · 17 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 233 gastroenterologists in Brooklyn · All gastroenterologists in New York