Oleg Katcher, MD
NPI 1598701468ActiveIndividual· Internal Medicine, Gastroenterology· Brooklyn, NY
Internal Medicine, Gastroenterology (MD) in Brooklyn, New York, trained at Icahn School of Medicine at Mount Sinai (class of 1997). Their prescriptions cost Medicare Part D more than their services did: $2,306,093 for 4,463 claims, against $412,579 paid for services in 2024. Abbvie Inc. was the largest of 11 companies reporting payments in 2025, $17,802 in all, mostly speaking and faculty fees.
Overview
| NPI | 1598701468 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | Yes |
| NPI issued | Jun 21, 2006 |
| Last updated in NPPES | Jun 15, 2020 |
| Certified by provider | Jun 15, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine, Gastroenterology Primary | 207RG0100X | 211769 | 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 | 553 |
|---|---|
| Services billed | 2,663 across 43 procedure codes |
| Paid by Medicare | $412,579 |
Part D prescriptions in 2024
| Prescriptions (claims) | 4,463 · 5,317 30-day fills |
|---|---|
| Patients | 707 |
| Total drug cost | $2,306,093 |
| Generic share | 68% of claims |
Education and affiliations
| Medical school | Icahn School of Medicine at Mount Sinai |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Gastroenterology |
| Secondary specialties | Internal Medicine |
| Telehealth | Offers telehealth |
Medical group
- Oleg Katcher MD PCBrooklyn, NY · 3 clinicians
Industry payments (Open Payments)
- 2025$17,802 · 119 payments from 11 companies
- 2024$19,544 · 114 payments from 16 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Abbvie Inc. | $11,578 | 31 |
| Aimmune Therapeutics, Inc. | $4,335 | 13 |
| Madrigal Pharmaceuticals | $715.55 | 27 |
| Gilead Sciences, Inc. | $372.75 | 14 |
| Ardelyx, Inc. | $281.60 | 11 |
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$14,975 · 8 payments
- Food and Beverage$2,642 · 108 payments
- Travel and Lodging$116.93 · 2 payments
- Education$68.49 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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