Matthew Biwer, OD
Optometrist · Sidney, MT
Matthew Biwer, OD is an optometrist with a practice address in Sidney, Montana, and NPI 1619129111, issued on Oct 15, 2008. Check the license (Montana 5670, as entered in NPPES) with the Montana board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Biwer
- Credential
- OD
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 5670 MT
35801 CA
53 VI
Self-reported in NPPES; status is on the state search - Practice location
- 124 S Central Ave, Sidney, MT 59270
- Phone
- (406) 482-2609
- Enumerated
- Oct 15, 2008
- Record last updated
- Jun 18, 2026
- Fax
- (406) 482-2697
- Medicare enrollment
- Enrolled (PECOS I20250423001875); may accept Medicare assignment
- Medical or professional school
- Pacific University - College Of Optometry, 2008
- Entity
- Type 1 · individual
Also registered at 124 S Central Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Kristin O'Brien, O.D.Optometrist1487800017
Verify Matthew Biwer in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Montana board licenses this profession
Search for license 5670Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
56% fewer Medicare Part D claims than the average optometrist in 2024
122 Medicare Part D claims for 32 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D.
Most prescribed
- Latanoprost70 claims
- Brimonidine Tartrate20 claims
- Dorzolamide-Timolol16 claims
- Travoprost11 claims
Source: CMS Medicare Part D Prescribers by Provider and Drug, 2024 (data.cms.gov). Part D covers prescriptions for Medicare patients only; drugs with fewer than 11 claims are not published.
Bills Medicare through one group practice
- Good Eye IncLos Angeles, CA
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
3 optometrist records list a practice address in Sidney
They are 3 of the 119 NPPES records with a practice address in Sidney, and 245 optometrist records in Montana.
All 3 in Sidney → All 245 in Montana → Every provider in Sidney →
Other optometrist records in Montana
- Fred Abraham, ODGreat Falls, MT1760441828
- John Anderson, O.D.Bozeman, MT1770031452
- Roger Anderson, ODSidney, MT1740345776
- Bret Argenbright, ODShelby, MT1922049469
- Peter Babcock, O.D.Missoula, MT1972696995
- Naomi Barnes, ODWhitefish, MT1851322648
- James Barney, ODLivingston, MT1982677787
- Johanna Barney, ODLivingston, MT1528554557
- David Bauer, O.D.Billings, MT1407807068
- Anthony Baumgartner, O.D.Butte, MT1215014535
Common questions
What is Matthew Biwer, OD's NPI number?
Matthew Biwer, OD's National Provider Identifier (NPI) is 1619129111, issued on Oct 15, 2008. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Biwer, OD located?
The NPPES record lists a practice address at 124 S Central Ave, Sidney, MT, 59270. Phone: (406) 482-2609. Providers update this record themselves, so call before visiting.
How can I verify Matthew Biwer, OD's license?
NPPES lists Montana license number 5670, as entered by the provider. Search the Montana board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Biwer, OD prescribe under Medicare Part D?
In 2024, Matthew Biwer, OD had 122 Medicare Part D claims for 32 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
Source: CMS National Plan and Provider Enumeration System (NPPES), file of Aug 9, 2026 (NPPES files on CMS.gov); NUCC Health Care Provider Taxonomy. Medicare files from data.cms.gov. An NPI identifies who bills; it is not a license.
Figures on PlainDoctor are read from the federal files each page names (CMS NPPES, Medicare Part D, MIPS, Open Payments; the HHS-OIG exclusion list only as counts) and from Census population estimates, with the file date shown beside them. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 9, 2026.