Thaddeus Mark Wontor, O.D.
Optometrist · Platteville, WI
Thaddeus Mark Wontor, O.D. is an optometrist with a practice address in Platteville, Wisconsin, and NPI 1568724391, issued on Jun 7, 2012. Check the license (Wisconsin 3262-35, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Thaddeus Mark Wontor
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3262-35 WI
Self-reported in NPPES; status is on the state search - Practice location
- 1450 Eastside RD, Platteville, WI 53818
- Phone
- (608) 348-2330
- Enumerated
- Jun 7, 2012
- Record last updated
- Nov 27, 2020 (not updated in 6 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20141020000170); accepts Medicare assignment
- Medical or professional school
- Indiana University - School Of Optometry, 2012
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Also registered at 1450 Eastside RD
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jason Ankumah-Saikoom, M.D.Pediatrics Physician1235303967
- Chloe Bainbridge, ODOptometrist1003597816
- Jennifer Barraza, LCSWClinical Social Worker1710318829
- Kori Barry, APNPFamily Nurse Practitioner1780072389
- Jenny BelkenOptometrist1083274492
- Catherine Blume, APNPFamily Nurse Practitioner1083602056
Verify Thaddeus Mark Wontor in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3262-35Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
11% fewer Medicare Part D claims than the average optometrist in 2024
246 Medicare Part D claims for 88 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 29% of claims.
Most prescribed
- Latanoprost81 claims
- Fluorometholone31 claims
- Timolol Maleate31 claims
- Dorzolamide-Timolol23 claims
- Cyclosporine18 claims
- Restasis17 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): 97.7 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: $23.51
3 payments; by number, the most common kind was food and beverage; the largest payer was Johnson & Johnson Vision Care, 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 one group practice
- Southwest Health Center IncPlatteville, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Thaddeus Mark Wontor among 1,161 optometrist records in Wisconsin
Thaddeus Mark Wontor, 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 2012, is newer than 68% of them.
- NPI issued2012 · 68% of these records are older, 31% newer
- In a Medicare fileYes · 74% of these records are
- In the CMS Doctors and Clinicians fileYes · 65% of these records are
- Graduated2012 · median 2008 among the 752 with a school on file
- Record last updated2020 · 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).
6 optometrist records list a practice address in Platteville
They are 6 of the 287 NPPES records with a practice address in Platteville, and 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Platteville → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Chloe Bainbridge, ODPlatteville, WI 538181003597816
- Jenny BelkenPlatteville, WI 538181083274492
- Nicole Klein, ODPlatteville, WI 538181588004501
- Zachary Olsen, O.D.Platteville, WI 538181043625817
- Michael Tashner, ODPlatteville, WI 538181528059342
- Luke Flunker, ODPrairie Du Chien, WI 538211710678560
- Donna Higgins, O.D.Prairie Du Chien, WI 538211245231836
- Edwin Neumann, O.D.Prairie Du Chien, WI 538211386738078
Common questions
What is Thaddeus Mark Wontor, O.D.'s NPI number?
Thaddeus Mark Wontor, O.D.'s National Provider Identifier (NPI) is 1568724391, issued on Jun 7, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Thaddeus Mark Wontor, O.D. located?
The NPPES record lists a practice address at 1450 Eastside RD, Platteville, WI, 53818. Phone: (608) 348-2330. Providers update this record themselves, so call before visiting.
How can I verify Thaddeus Mark Wontor, O.D.'s license?
NPPES lists Wisconsin license number 3262-35, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Thaddeus Mark Wontor, O.D. prescribe under Medicare Part D?
In 2024, Thaddeus Mark Wontor, O.D. had 246 Medicare Part D claims for 88 beneficiaries; the average among optometrist prescribers was 277. Part D covers Medicare prescriptions only.
What is Thaddeus Mark Wontor, O.D.'s MIPS final score?
The 2023 MIPS final score is 97.7 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.