Mathew Bryan Mergenthaler, O.D.
Optometrist · Medford, WI
Mathew Bryan Mergenthaler, O.D. is an optometrist with a practice address in Medford, Wisconsin, and NPI 1568874907, issued on May 20, 2014. Check the license (Wisconsin 3359, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Mathew Bryan Mergenthaler
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License numbers
- 3359 WI
073539 IA
Self-reported in NPPES; status is on the state search - Practice location
- 671 S Gibson St, Medford, WI 54451
- Phone
- (608) 790-5851
- Enumerated
- May 20, 2014
- Record last updated
- Jan 7, 2026
- Medicaid ID
- 100039841 WI
- Medicare enrollment
- Enrolled (PECOS I20140905001952); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2014
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Verify Mathew Bryan Mergenthaler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3359Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
16% more Medicare Part D claims than the average optometrist in 2024
320 Medicare Part D claims for 90 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 36% of claims.
Most prescribed
- Latanoprost111 claims
- Timolol Maleate30 claims
- Erythromycin23 claims
- Prednisolone Acetate22 claims
- Combigan20 claims
- Dorzolamide-Timolol20 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.
The practice group's MIPS final score for 2023 (Medicare payment program): 94.3 of 100
The Merit-based Incentive Payment System score is reported for the practice group, not for one clinician alone. Four categories are weighted into the final score; the average among 454,083 clinicians with a measured score was 83.5.
Source: CMS Quality Payment Program, MIPS performance year 2023, group reporting; category weights for 2023 (qpp.cms.gov).
Industry payments in 2024: $62.22
2 payments; by number, the most common kind was food and beverage; the largest payer was Astellas Pharma US Inc. The 34,453 providers of this specialty with any payment received $769.99 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.
Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.
Bills Medicare through 3 group practices
- Healthview Eye Care Center, SCColby, WI
- Healthview Eye Care Center-Medford SCMedford, WI
- Shoptikal LLCWinona, MN
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mathew Bryan Mergenthaler among 1,161 optometrist records in Wisconsin
Mathew Bryan Mergenthaler, O.D. is one of 1,161 optometrist records with a practice address in Wisconsin. 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 2014, is newer than 72% of them.
- NPI issued2014 · 72% of these records are older, 26% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2014 · median 2008 among the 752 with a school on file
- Record last updated2026 · 62% 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 Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
7 optometrist records list a practice address in Medford
They are 7 of the 202 NPPES records with a practice address in Medford, and 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Medford → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Perry Arndt, O.D.Medford, WI 544511497732663
- Jeffery Bourgerie, O.D.Medford, WI 544511164409348
- Jaden Carstensen, ODMedford, WI 544511700710597
- Breanna Hoffmann, O.D.Medford, WI 544511356717011
- Betsy Meinel, O.D.Medford, WI 544511326486358
- Julie Thums, O.D.Medford, WI 544511760469951
- Kara KrautkramerMerrill, WI 544521962359737
- Larry Wolf, ODMerrill, WI 544521790750503
Common questions
What is Mathew Bryan Mergenthaler, O.D.'s NPI number?
Mathew Bryan Mergenthaler, O.D.'s National Provider Identifier (NPI) is 1568874907, issued on May 20, 2014. An NPI identifies a provider in billing; it is not a license.
Where is Mathew Bryan Mergenthaler, O.D. located?
The NPPES record lists a practice address at 671 S Gibson St, Medford, WI, 54451. Phone: (608) 790-5851. Providers update this record themselves, so call before visiting.
How can I verify Mathew Bryan Mergenthaler, O.D.'s license?
NPPES lists Wisconsin license number 3359, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Mathew Bryan Mergenthaler, O.D. prescribe under Medicare Part D?
In 2024, Mathew Bryan Mergenthaler, O.D. had 320 Medicare Part D claims for 90 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Mathew Bryan Mergenthaler, O.D.'s MIPS final score?
The 2023 MIPS final score is 94.3 of 100, reported for the practice group. The average among 454,083 clinicians with a measured score was 83.5.
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.