Quick answers
- Does Brian M. Fonseca accept Medicare assignment?
- Yes. Medicare's clinician data says Brian M. Fonseca accepts Medicare assignment (the Medicare-approved amount as full payment for covered services), as of October 2, 2026. Ask the office to confirm before your visit.
- What is Brian M. Fonseca's NPI number?
- 1356469316. 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 Brian M. Fonseca is enrolled with Medicare (CMS data updated October 2, 2026).
- 13123 E 16th AveAurora, CO 80045 (720) 777‑1234
- 2710 Harney St, Suite 100Laramie, WY 82072 (307) 745‑8991
Group practices
Medicare enrollment lists Brian M. Fonseca as a member of this group (CMS data updated October 2, 2026).
- University Physicians Incorporated3,215 clinicians in the group
Specialties
Find other Cardiovascular Disease (Cardiology) doctors in Colorado →
Other cardiologists in Aurora
Clinicians with the same Medicare primary specialty in Aurora, CO — not a recommendation.
Other clinicians in University Physicians Incorporated
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | McGill University, Faculty Of Medicine |
| Graduation year | 2000 (26 years since medical school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1356469316 |
| 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 October 2, 2026, retrieved October 29, 2026
- 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