Gregory A. Kouyoumdjian, M.D.
NPI 1548219934ActiveIndividual· Ophthalmology· Littleton, CO
Ophthalmology (M.D.) in Littleton, Colorado, trained at New York University School of Medicine (class of 1996). In 2024 Medicare paid $124,719 for 299 patients, and Part D covered 244 of their prescriptions, 52% of them generic. Alcon Vision LLC was the largest of 9 companies reporting payments in 2025, $850.27 in all, mostly food and beverage.
Overview
| NPI | 1548219934 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | May 10, 2006 |
| Last updated in NPPES | Jun 1, 2023 |
| Certified by provider | Jun 1, 2023 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology Primary | 207W00000X | 38767 | CO |
| Ophthalmology, Glaucoma Specialist | 207WX0009X | 0064496 | CO |
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 - Ophthalmology (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 299 |
|---|---|
| Services billed | 859 across 45 procedure codes |
| Paid by Medicare | $124,719 |
Part D prescriptions in 2024
| Prescriptions (claims) | 244 · 354 30-day fills |
|---|---|
| Patients | 99 |
| Total drug cost | $138,834 |
| Generic share | 52% of claims |
Education and affiliations
| Medical school | New York University School of Medicine |
|---|---|
| Graduation year | 1996 |
| Medicare specialty | Ophthalmology |
Medical groups
- Trauma and Emergency Subspecialty Surgeons PLLCLone Tree, CO · 27 clinicians
- Glaucoma Consultants of Colorado PCParker, CO · 8 clinicians
Industry payments (Open Payments)
- 2025$850.27 · 28 payments from 9 companies
- 2024$242.73 · 10 payments from 8 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $297.63 | 10 |
| Amgen Inc. | $151.02 | 7 |
| Rayner Intraocular Lenses Limited | $146.17 | 3 |
| Tarsus Pharmaceuticals, Inc. | $75.89 | 2 |
| Ocular Therapeutix, Inc. | $58.28 | 1 |
What the 2025 payments were for
- Food and Beverage$850.27 · 28 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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