Leslie Esther Klyachman, MD
NPI 1700346376ActiveIndividual· Internal Medicine, Gastroenterology· East Patchogue, NY
Internal Medicine, Gastroenterology (MD) with New York University, practicing in East Patchogue, New York. Part D covered 34 prescriptions written in 2024, 74% of them generic. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $495.32 in all, mostly food and beverage. Lists Long Island Community Hospital and 2 other hospitals as hospital affiliations.
Overview
| NPI | 1700346376 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Mar 20, 2019 |
| Last updated in NPPES | Jun 24, 2025 |
| Certified by provider | Jun 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 326020-01 | NY |
| Student in an Organized Health Care Education/Training Program | 390200000X | — | — |
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) |
|---|
Part D prescriptions in 2024
| Prescriptions (claims) | 34 · 38 30-day fills |
|---|---|
| Patients | 13 |
| Total drug cost | $9,317 |
| Generic share | 74% of claims |
Education and affiliations
| Graduation year | 2019 |
|---|---|
| Medicare specialty | Gastroenterology |
| Telehealth | Offers telehealth |
Medical group
- New York UniversityNew York, NY · 6,134 clinicians
Hospital affiliations
- Long Island Community HospitalPatchogue, NY
- NYU Langone HospitalsNew York, NY
- Suny/Stony Brook University HospitalStony Brook, NY
Industry payments (Open Payments)
- 2025$495.32 · 15 payments from 11 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $122.31 | 1 |
| Mallinckrodt Hospital Products Inc. | $66.97 | 2 |
| Lilly USA, LLC | $63.81 | 2 |
| Ardelyx, Inc. | $57.44 | 2 |
| Takeda Pharmaceuticals U.S.A., Inc. | $38.20 | 2 |
What the 2025 payments were for
- Food and Beverage$495.32 · 15 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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