Quick answers
- Where does Matthew R. Biwer see patients?
- Medicare's clinician data lists 2 practice locations, including Los Angeles, CA and Sidney, MT. Call before your visit to confirm the address.
- What is Matthew R. Biwer's specialty?
- Medicare lists Optometry as the primary specialty.
- Does Matthew R. Biwer accept Medicare assignment?
- Medicare's clinician data says Matthew R. Biwer may accept Medicare assignment (as of 2026-10-02). Ask the office whether they accept it for your visit.
- What is the phone number for Matthew R. Biwer?
- (310) 440-9500, as listed in official Medicare / NPI Registry data.
- What is Matthew R. Biwer's NPI number?
- 1619129111. 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 Matthew R. Biwer is enrolled with Medicare (CMS data updated 2026-10-02).
- 11718 Barrington CtLos Angeles, CA 90049 (310) 440‑9500
- 124 S Central AveSidney, MT 59270 (406) 482‑2609
Group practices
Medicare enrollment lists Matthew R. Biwer as a member of these groups (CMS data updated 2026-10-02).
- Good Eye Inc2 clinicians in the group
- Sidney Eye Care PLLC2 clinicians in the group
Specialties
- Optometryprimary
Other optometrists in Los Angeles
Clinicians with the same Medicare primary specialty in Los Angeles, CA — not a recommendation.
Clinician information
| Credential | OD |
|---|---|
| Medical school | Pacific University - College Of Optometry |
| Graduation year | 2008 |
| Gender (as listed) | Male |
| Medicare assignment | May accept for some services |
| NPI (National Provider Identifier) | 1619129111 |
| 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 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