Quick answers
- Where does Gary A. Belen see patients?
- Medicare's clinician data lists 2 practice locations, including Englewood, CO and Denver, CO. Call before your visit to confirm the address.
- What is Gary A. Belen's specialty?
- Medicare lists Ophthalmology as the primary specialty.
- Does Gary A. Belen accept Medicare assignment?
- Yes. Medicare's clinician data says Gary A. Belen accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of 2026-10-02. Ask the office to confirm before your visit.
- What is the phone number for Gary A. Belen?
- (720) 524-1001, as listed in official Medicare / NPI Registry data.
- What is Gary A. Belen's NPI number?
- 1841274933. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Practice locations
Addresses where Gary A. Belen is enrolled with Medicare (CMS data updated 2026-10-02).
- 10520 El Diente Ct, Suite AEnglewood, CO 80112 (720) 524‑1001
- 55 Madison St, Suite 355Denver, CO 80206 (303) 377‑2020
Group practices
Medicare enrollment lists Gary A. Belen as a member of this group (CMS data updated 2026-10-02).
- Madison Street Provider Network Inc6 clinicians in the group
Specialties
- Ophthalmologyprimary
Other ophthalmologists in Englewood
Clinicians with the same Medicare primary specialty in Englewood, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Missouri, Kansas City, School Of Medicine |
| Graduation year | 1997 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1841274933 |
| Corrections | Report an error or suggest an update → |
Most corrections must be made at the source: clinicians update their NPI Registry record (NPPES) and their Medicare enrollment (PECOS); this page follows the next data release.
Sources
- National Downloadable File (Doctors and Clinicians) — CMS, data updated 2026-10-02, retrieved 2026-10-29
- NPI Registry — U.S. Department of Health and Human Services (NPPES), the clinician’s official record
- Medicare Care Compare — official Medicare tool to look up clinicians