Irmak Karaca, MD
NPI 1760101778ActiveIndividual· Ophthalmology· New York, NY
Ophthalmology (MD) with Trustees of Columbia University in the City of New York, practicing in New York, New York. Their prescriptions cost Medicare Part D more than their services did: $831,183 for 496 claims, against $3,235 paid for services in 2024. Alcon Vision LLC was the largest of 5 companies reporting payments in 2025, $864.75 in all, mostly food and beverage. Lists New York-Presbyterian Hospital as a hospital affiliation.
Overview
| NPI | 1760101778 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Aug 23, 2022 |
| Last updated in NPPES | May 24, 2025 |
| Certified by provider | May 24, 2025 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 337153 | NY |
| Ophthalmology, Uveitis and Ocular Inflammatory Disease | 207WX0108X | 337153 | 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 - Ophthalmology (NY); Practitioner - Ophthalmology (UT) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 27 |
|---|---|
| Services billed | 49 across 14 procedure codes |
| Paid by Medicare | $3,235 |
Part D prescriptions in 2024
| Prescriptions (claims) | 496 · 860 30-day fills |
|---|---|
| Patients | 126 |
| Total drug cost | $831,183 |
| Generic share | 62% of claims |
Education and affiliations
| Graduation year | 2013 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Trustees of Columbia University in the City of New YorkNew York, NY · 2,296 clinicians
Hospital affiliation
- New York-Presbyterian HospitalNew York, NY
Industry payments (Open Payments)
- 2025$864.75 · 7 payments from 5 companies
- 2024$710.72 · 9 payments from 7 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $376.01 | 2 |
| Genentech USA, Inc. | $165.72 | 2 |
| Astellas Pharma US Inc | $150.59 | 1 |
| Neurotech Pharmaceuticals, Inc. | $139.10 | 1 |
| Apellis Pharmaceuticals, Inc. | $33.33 | 1 |
What the 2025 payments were for
- Food and Beverage$640.08 · 6 payments
- Travel and Lodging$224.67 · 1 payment
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 714 ophthalmologists in New York · All ophthalmologists in New York