Nicholas Gregory Janigian, MD
NPI 1972233948ActiveIndividual· Ophthalmology, Retina Specialist· Saint Louis, MO
Ophthalmology, Retina Specialist (MD) with Washington University, practicing in Saint Louis, Missouri. Enrolled in Medicare as practitioner - ophthalmology. Glaukos Corporation was the largest of 2 companies reporting payments in 2025, $604.97 in all, mostly food and beverage.
Overview
| NPI | 1972233948 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | MD |
| Sole proprietor | No |
| NPI issued | Jun 13, 2022 |
| Last updated in NPPES | Sep 16, 2026 |
| Certified by provider | Sep 16, 2026 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Ophthalmology, Retina Specialist Primary | 207WX0107X | 2026011529 | MO |
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 (MO) |
|---|
Education and affiliations
| Graduation year | 2022 |
|---|---|
| Medicare specialty | Ophthalmology |
Medical group
- Washington UniversitySaint Louis, MO · 3,029 clinicians
Industry payments (Open Payments)
- 2025$604.97 · 6 payments from 2 companies
- 2024$146.74 · 2 payments from 1 company
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Glaukos Corporation | $342.33 | 4 |
| Alcon Vision LLC | $262.64 | 2 |
What the 2025 payments were for
- Food and Beverage$604.97 · 6 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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