Quick answers
- Which hospitals does Gary M. Breen work at?
- Medicare's official clinician data lists Gary M. Breen at 2 hospitals: Medical Center of the Rockies and UCHealth Yampa Valley Medical Center. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Gary M. Breen see patients?
- Medicare's clinician data lists 2 practice locations, including Steamboat Spr, CO and Craig, CO. Call before your visit to confirm the address.
- What is Gary M. Breen's specialty?
- Medicare lists Internal Medicine as the primary specialty.
- Does Gary M. Breen accept Medicare assignment?
- Yes. Medicare's clinician data says Gary M. Breen 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 M. Breen?
- (970) 879-1322, as listed in official Medicare / NPI Registry data.
- What is Gary M. Breen's NPI number?
- 1124089396. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Gary M. Breen works
Medicare's Facility Affiliation Data lists Gary M. Breen at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Medical Center of the RockiesLoveland, CO · Acute Care Hospital · CCN 060119
- UCHealth Yampa Valley Medical CenterSteamboat Springs, CO · Acute Care Hospital · CCN 060049
Practice locations
Addresses where Gary M. Breen is enrolled with Medicare (CMS data updated 2026-10-02).
- 1024 Central Park DrSteamboat Spr, CO 80487 (970) 879‑1322
- 595 Russell StCraig, CO 81625 (970) 824‑1020
Group practices
Medicare enrollment lists Gary M. Breen as a member of this group (CMS data updated 2026-10-02).
- Yampa Valley Medical Center131 clinicians in the group
Specialties
- Internal Medicineprimary
Other internal medicine doctors in Colorado
Clinicians with the same Medicare primary specialty in Colorado — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of Minnesota Medical School |
| Graduation year | 1994 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1124089396 |
| 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
- Facility Affiliation Data — Centers for Medicare & Medicaid Services (CMS), data updated 2026-10-02, retrieved 2026-10-29
- 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