Mathew Warren Aschbrenner, MD
Ophthalmology Physician · Wausau, WI
Mathew Warren Aschbrenner, MD is an ophthalmology physician with a practice address in Wausau, Wisconsin, and NPI 1912101213, issued on Jun 12, 2007. Check the license (Wisconsin 57163-20, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- Mathew Warren Aschbrenner
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 57163-20 WI
Self-reported in NPPES; status is on the state search - Practice location
- 800 N 1St St, Wausau, WI 54403
- Phone
- (715) 261-8500
- Enumerated
- Jun 12, 2007
- Record last updated
- Oct 7, 2020 (not updated in 6 years: call before relying on the address or phone)
- Fax
- (715) 261-8667
- Medicaid ID
- 1912101213 WI
- Medicare enrollment
- Enrolled (PECOS I20120808000170); accepts Medicare assignment
- Medical or professional school
- University Of Wisconsin School Of Medicine, 2006
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 800 N 1St St
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Robert Beauchene, M.D.Ophthalmology Physician1831172675
- Jesse Birsching, ODOptometrist1528642758
- Thomas Boostrom, CRNACertified Registered Nurse Anesthetist1164773685
- David CarliOphthalmology Physician1932762374
- Thomas Colvin, ODOptometrist1255079927
- Jennifer D'Acquisto, ODOptometrist1831446707
Verify Mathew Warren Aschbrenner in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 57163-20Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
77% fewer Medicare Part D claims than the average ophthalmology physician in 2024
350 Medicare Part D claims for 135 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 42% of claims.
Most prescribed
- Prednisolone Acetate143 claims
- Moxifloxacin128 claims
- Brimonidine Tartrate30 claims
- Dorzolamide-Timolol16 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): 99.8 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: $163.27
2 payments; by number, the most common kind was food and beverage; the largest payer was Regeneron Healthcare Solutions, Inc. The 13,221 providers of this specialty with any payment received $4,535.02 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 one group practice
- Eye Clinic OF Wisconsin, S.C.Wausau, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Mathew Warren Aschbrenner among 441 ophthalmology physician records in Wisconsin
Mathew Warren Aschbrenner, MD is one of 441 ophthalmology physician records with a practice address in Wisconsin. 71% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2007, is newer than 62% of them.
- NPI issued2007 · 62% of these records are older, 33% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated2006 · median 2005 among the 259 with a school on file
- Record last updated2020 · 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 207W00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Ophthalmology Physician providers in Wisconsin
There are 441 ophthalmology physician records in Wisconsin.
All 441 in Wisconsin → Every provider in Wausau → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Robert Beauchene, M.D.Wausau, WI 544031831172675
- Douglas Edwards, M.D.Wausau, WI 544031679556484
- Kevin Flaherty, M.D.Wausau, WI 544031740263581
- Luis Galang, D.O.Wausau, WI 544031902889710
- L Galang, D.O.Wausau, WI 544031548220171
- Matthew Hattenhauer, M.D.Wausau, WI 544031619950425
- Thaddeus Krolicki, M.D.Wausau, WI 544031053394874
- Christopher Kucharski, M.D.Wausau, WI 544031033371745
Common questions
What is Mathew Warren Aschbrenner, MD's NPI number?
Mathew Warren Aschbrenner, MD's National Provider Identifier (NPI) is 1912101213, issued on Jun 12, 2007. An NPI identifies a provider in billing; it is not a license.
Where is Mathew Warren Aschbrenner, MD located?
The NPPES record lists a practice address at 800 N 1St St, Wausau, WI, 54403. Phone: (715) 261-8500. Providers update this record themselves, so call before visiting.
How can I verify Mathew Warren Aschbrenner, MD's license?
NPPES lists Wisconsin license number 57163-20, as entered by the provider. Search the Wisconsin Medical Examining Board at https://dsps.wi.gov/Pages/BoardsCouncils/MEB/Default.aspx. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.
How much does Mathew Warren Aschbrenner, MD prescribe under Medicare Part D?
In 2024, Mathew Warren Aschbrenner, MD had 350 Medicare Part D claims for 135 beneficiaries; the average among ophthalmology physician prescribers was 1,518. Part D covers Medicare prescriptions only.
What is Mathew Warren Aschbrenner, MD's MIPS final score?
The 2023 MIPS final score is 99.8 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.