Matthew Biwer, OD
Individual provider Active NPI Optometrist · Sidney, MT
NPI 1619129111 · NPPES record last updated Jun 18, 2026
Key facts
- NPI
- 1619129111
- Entity type
- Individual (NPI type 1)
- Primary specialty
- Optometrist 152W00000X
- License
- 35801 (CA)
- Practice address
- 124 S Central Ave
Sidney, MT 59270-4124 - Phone
- (406) 482-2609
- Fax
- (406) 482-2697
- NPI assigned
- Oct 15, 2008
- Sex
- Male
- Sole proprietor
- No
Organizations & group practices 3
Medicare Care Compare profile
- Specialty
- Optometry
- Education
- Pacific University - College of Optometry, 2008
- Medicare assignment
- May accept Medicare assignment
- Group practices
- Good Eye Inc
Sidney Eye Care PLLC
Practice addresses (Care Compare)
11718 Barrington CT
Los Angeles, CA 90049-2930
Phone (310) 440-9500
124 S Central Ave
Sidney, MT 59270-4124
Phone (406) 482-2609
Medicare participation
- Medicare fee-for-service enrollment
- Enrolled (2 enrollments) in CA, MT
- Eligible to order & refer
- Part B services: Yes · DME: Yes · Home health: Yes · Power mobility devices: No · Hospice: Yes
Medicare enrollment records
| Enrollment ID | State | Provider type | PAC ID | Details |
|---|---|---|---|---|
| I20250423001875 | CA | Practitioner - Optometry | 9638230782 | Reassigns benefits to 1 organization |
| I20260607000101 | MT | Practitioner - Optometry | 9638230782 | Reassigns benefits to 1 organization |
National Provider Directory
- Medicare enrollment (NPD)
- Yes
State licenses
| License | State | Type | Specialty |
|---|---|---|---|
| 53 | VI | MD | Optometrist |
| 3151 | MN | MD | School Nurse Practitioner |
Practice roles
| Organization | Specialty | Status | New patients |
|---|---|---|---|
| Good Eye Inc | Optometrist | Current |
Accepting new patients |
| Vision Pro II Inc | Optometrist | Past |
Accepting new patients |
Locations
910 S Barrington Ave
Los Angeles, CA 90049
11718 Barrington Ct
Los Angeles, CA 90049
Phone (310) 440-9500
Specialties & licenses
| Specialty (taxonomy) | Code | License | State | Primary |
|---|---|---|---|---|
| Optometrist | 152W00000X | 53 | VI | |
| Optometrist | 152W00000X | 5670 | MT | |
| Optometrist | 152W00000X | 35801 | CA | Yes |
Addresses
Primary practice location
124 S Central Ave
Sidney, MT 59270-4124
Mailing address
124 S Central Ave
Sidney, MT 59270-4124
Phone (406) 482-2609
Other providers in Sidney, MT
Sources for this page
- NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Record last updated by the provider on Jun 18, 2026. Information in NPPES is self-reported and not verified by CMS.
- NUCC Health Care Provider Taxonomy: specialty names.
- Medicare Fee-For-Service Public Provider Enrollment (CMS/PECOS): enrollments, PAC IDs and benefit reassignments.
- Order and Referring (CMS).
- Medicare Care Compare provider data (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
- National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.