Quick answers
- Which hospitals does Matthew Mattis work at?
- Medicare's official clinician data lists Matthew Mattis at 3 hospitals: Box Butte General Hospital, Community Hospital and Platte County Hospital. This is where the clinician works or has privileges; call the hospital to confirm.
- Where does Matthew Mattis see patients?
- Medicare's clinician data lists 6 practice locations, including Worland, WY, Torrington, WY and Alliance, NE. Call before your visit to confirm the address.
- What is Matthew Mattis's specialty?
- Medicare lists Physician Assistant as the primary specialty.
- Does Matthew Mattis accept Medicare assignment?
- Yes. Medicare's clinician data says Matthew Mattis 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 Matthew Mattis?
- (307) 347-8801, as listed in official Medicare / NPI Registry data.
- What is Matthew Mattis's NPI number?
- 1558776476. The NPI (National Provider Identifier) is the clinician's permanent federal ID; you can look it up in the official NPI Registry.
Hospitals where Matthew Mattis works
Medicare's Facility Affiliation Data lists Matthew Mattis at these hospitals (updated 2026-10-02). Each hospital page shows its address, phone, emergency services, Medicare rating and all its clinicians.
- Box Butte General HospitalAlliance, NE · Critical Access Hospital · CCN 281360
- Community HospitalTorrington, WY · Critical Access Hospital · CCN 531307
- Platte County HospitalWheatland, WY · Critical Access Hospital · CCN 531305
Practice locations
Addresses where Matthew Mattis is enrolled with Medicare (CMS data updated 2026-10-02). The first 5 of 6; the Medicare profile lists all.
- 1106 Big Horn AveWorland, WY 82401 (307) 347‑8801
- 2000 Campbell DrTorrington, WY 82240 (307) 532‑8758
- 2091 Box Butte Ave, Suite 700Alliance, NE 69301 (308) 762‑7244
- 2101 Box Butte AveAlliance, NE 69301 (308) 762‑6660
- 625 Albany AveTorrington, WY 82240 (307) 532‑2107
Group practices
Medicare enrollment lists Matthew Mattis as a member of these groups (CMS data updated 2026-10-02).
- Banner Health Physicians West LLC89 clinicians in the group
- Box Butte General Hospital62 clinicians in the group
- Community Hospital24 clinicians in the group
Specialties
- Physician Assistantprimary
Other physician assistants in Worland
Clinicians with the same Medicare primary specialty in Worland, WY — not a recommendation.
Clinician information
| Credential | PA |
|---|---|
| Medical school | University Of North Dakota School Of Medicine |
| Graduation year | 2014 |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1558776476 |
| 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