Gregory B. Haber, MD
NPI 1659423937ActiveIndividual· Internal Medicine, Gastroenterology· New York, NY
Internal Medicine, Gastroenterology (MD) with New York University, practicing in New York, New York. Mostly services rather than prescriptions: Medicare paid $152,412 for 498 patients in 2024, with only 17 Part D claims. Olympus America Inc. was the largest of 7 companies reporting payments in 2025, $33,606 in all, mostly consulting fees. Lists NYU Langone Hospitals as a hospital affiliation.
Overview
| NPI | 1659423937 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jan 17, 2007 |
| Last updated in NPPES | Apr 9, 2021 |
| Certified by provider | Apr 9, 2021 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | P36094 | 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 | 498 |
|---|---|
| Services billed | 1,038 across 71 procedure codes |
| Paid by Medicare | $152,412 |
Part D prescriptions in 2024
| Prescriptions (claims) | 17 · 23 30-day fills |
|---|---|
| Total drug cost | $4,549 |
| Generic share | 82% of claims |
Education and affiliations
| Graduation year | 1970 |
|---|---|
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliation
- NYU Langone HospitalsNew York, NY
Industry payments (Open Payments)
- 2025$33,606 · 58 payments from 7 companies
- 2024$36,868 · 73 payments from 14 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Olympus America Inc. | $12,423 | 21 |
| Olympus Corporation of the Americas | $9,756 | 12 |
| Boston Scientific Corporation | $6,025 | 19 |
| Micro-Tech Endoscopy USA, Inc. | $5,200 | 3 |
| Steris Corporation | $144.41 | 1 |
What the 2025 payments were for
- Consulting Fee$22,195 · 11 payments
- Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$8,375 · 5 payments
- Food and Beverage$2,169 · 36 payments
- Travel and Lodging$867.07 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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