Quick answers
- Which hospitals does William E. Gattis work at?
- Medicare's official clinician data lists William E. Gattis at 2 hospitals: Gunnison Valley Hospital and Montrose Regional Health. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does William E. Gattis see patients?
- Medicare's clinician data lists 1 practice location in Gunnison, CO. Call before your visit to confirm the address.
- What is William E. Gattis's specialty?
- Medicare lists Family Practice as the primary specialty, and also Emergency Medicine.
- Does William E. Gattis accept Medicare assignment?
- Yes. Medicare's clinician data says William E. Gattis 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 William E. Gattis's NPI number?
- 1386611465. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where William E. Gattis works
Medicare's Facility Affiliation Data lists William E. Gattis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Gunnison Valley HospitalGunnison, CO · Critical Access Hospital · CCN 061320
- Montrose Regional HealthMontrose, CO · Acute Care Hospital · CCN 060006
Practice locations
Addresses where William E. Gattis is enrolled with Medicare (CMS data updated 2026-10-02).
- 707 N Iowa StGunnison, CO 81230
Group practices
Medicare enrollment lists William E. Gattis as a member of this group (CMS data updated 2026-10-02).
- Gunnison Valley Hospital85 clinicians in the group
Specialties
- Family Practiceprimary
- Emergency Medicinealso
Other family doctors in Gunnison
Clinicians with the same Medicare primary specialty in Gunnison, CO — not a recommendation.
Clinician information
| Credential | MD |
|---|---|
| Medical school | University Of New Mexico School Of Medicine |
| Graduation year | 1995 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1386611465 |
| 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