Matthew Arnold Gahn, O.D.
Optometrist · Eveleth, MN
Matthew Arnold Gahn, O.D. is an optometrist with a practice address in Eveleth, Minnesota, and NPI 1548241938, issued on Nov 11, 2005. Check the license (Minnesota 2080, as entered in NPPES) with the Minnesota board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Matthew Arnold Gahn
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 2080 MN
Self-reported in NPPES; status is on the state search - Practice location
- 420 Grant Avenue, Eveleth, MN 55734
- Phone
- (218) 744-4528
- Enumerated
- Nov 11, 2005
- Record last updated
- Aug 6, 2015 (not updated in 11 years: call before relying on the address or phone)
- Fax
- (218) 744-1899
- Medicaid ID
- 671725000 MN
- Medicare enrollment
- Enrolled (PECOS I20060614000011); accepts Medicare assignment
- Medical or professional school
- Southern California College Of Optometry, 1986
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,142 in Minnesota → Look up another NPI →
Verify Matthew Arnold Gahn in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Minnesota board licenses this profession
Search for license 2080Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
34% fewer Medicare Part D claims than the average optometrist in 2024
182 Medicare Part D claims for 82 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 26% of claims.
Most prescribed
- Latanoprost68 claims
- Neomycin-Polymyxin-Dexameth61 claims
- Timolol Maleate23 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.
Matthew Arnold Gahn among 1,142 optometrist records in Minnesota
Matthew Arnold Gahn, O.D. is one of 1,142 optometrist records with a practice address in Minnesota. 74% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2005, is newer than 0% of them.
- NPI issued2005 · 0% of these records are older, 90% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 68% of these records are
- Graduated1986 · median 2008 among the 778 with a school on file
- Record last updated2015 · 65% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 152W00000X and a Minnesota practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
1 optometrist record lists a practice address in Eveleth
They are 1 of the 19 NPPES records with a practice address in Eveleth, and 1,142 optometrist records in Minnesota.
All 1,142 in Minnesota → Every provider in Eveleth → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Heidi Dahlberg, ODGrand Rapids, MN 557441124289160
- Darwin Dalen, O.D.Grand Rapids, MN 557441417954553
- Paul Dubbels, O.D.Grand Rapids, MN 557441235339953
- Leroy Kincannon, O.D.Grand Rapids, MN 557441528173846
- Richard Perrott, O.D.Grand Rapids, MN 557441700968336
- Larry Schlauderaff, O.D.Grand Rapids, MN 557441477748085
- Abby Sperr, ODGrand Rapids, MN 557441750066718
- Michael Young, ODGrand Rapids, MN 557441932434016
Common questions
What is Matthew Arnold Gahn, O.D.'s NPI number?
Matthew Arnold Gahn, O.D.'s National Provider Identifier (NPI) is 1548241938, issued on Nov 11, 2005. An NPI identifies a provider in billing; it is not a license.
Where is Matthew Arnold Gahn, O.D. located?
The NPPES record lists a practice address at 420 Grant Avenue, Eveleth, MN, 55734. Phone: (218) 744-4528. Providers update this record themselves, so call before visiting.
How can I verify Matthew Arnold Gahn, O.D.'s license?
NPPES lists Minnesota license number 2080, as entered by the provider. Search the Minnesota board that licenses this profession; the NPPES record confirms identity only.
How much does Matthew Arnold Gahn, O.D. prescribe under Medicare Part D?
In 2024, Matthew Arnold Gahn, O.D. had 182 Medicare Part D claims for 82 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.