Gary Belen, M.D.
NPI 1841274933ActiveIndividual· Specialist· Denver, CO
Specialist (M.D.) in Denver, Colorado, trained at University of Missouri, Kansas City, School of Medicine (class of 1997). In 2024 Medicare paid $138,124 for 375 patients, and Part D covered 2,166 of their prescriptions, 72% of them generic. Alcon Vision LLC was the largest of 7 companies reporting payments in 2025, $843.96 in all, mostly food and beverage.
Overview
| NPI | 1841274933 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Dec 1, 2005 |
| Last updated in NPPES | Sep 10, 2012 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Specialist Primary | 174400000X | 40364 | CO |
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 (CO) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 375 |
|---|---|
| Services billed | 1,371 across 17 procedure codes |
| Paid by Medicare | $138,124 |
Part D prescriptions in 2024
| Prescriptions (claims) | 2,166 · 4,298 30-day fills |
|---|---|
| Patients | 542 |
| Total drug cost | $170,637 |
| Generic share | 72% of claims |
Education and affiliations
| Medical school | University of Missouri, Kansas City, School of Medicine |
|---|---|
| Graduation year | 1997 |
| Medicare specialty | Ophthalmology |
Medical group
- Madison Street Provider Network IncDenver, CO · 6 clinicians
Industry payments (Open Payments)
- 2025$843.96 · 14 payments from 7 companies
- 2024$198.24 · 6 payments from 3 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Alcon Vision LLC | $367.15 | 5 |
| Rxsight Inc | $177.96 | 1 |
| Carl Zeiss Meditec USA, Inc. | $151.35 | 1 |
| Thea Pharma Inc. | $45.30 | 3 |
| Abbvie Inc. | $38.82 | 2 |
What the 2025 payments were for
- Food and Beverage$843.96 · 14 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 341 Specialist providers in Denver · All Specialist providers in Colorado