Quick answers
- Does Bret F. Argenbright accept Medicare assignment?
- Yes. Medicare's clinician data says Bret F. Argenbright 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 Bret F. Argenbright's NPI number?
- 1922049469. 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 Bret F. Argenbright is enrolled with Medicare (CMS data updated October 2, 2026).
- 670 Park AveShelby, MT 59474 (406) 434‑3100
- P O Box, Suite 990Shelby, MT 59474
- PO Box, Suite 990Shelby, MT 59474
Group practices
Medicare enrollment lists Bret F. Argenbright as a member of this group (CMS data updated October 2, 2026).
- Marias Healthcare Services Inc.12 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Montana
Clinicians with the same Medicare primary specialty in Montana — not a recommendation.
Other clinicians in Marias Healthcare Services Inc.
Medicare enrollment lists these clinicians in the same group practice — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Optometry school | University Alabama Birmingham - School Of Optometry |
| Graduation year | 1988 (38 years since optometry school) |
| Gender (as listed) | Male |
| Medicare assignment | Accepts (Medicare-approved amount as full payment) |
| NPI (National Provider Identifier) | 1922049469 |
| 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