Sara Margaret Winkler, O.D.
Optometrist · Madison, WI
Sara Margaret Winkler, O.D. is an optometrist with a practice address in Madison, Wisconsin, and NPI 1770839508, issued on Jul 30, 2012. Check the license (Wisconsin 3274-35, as entered in NPPES) with the Wisconsin board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Sara Margaret Winkler
- Credential
- O.D.
- Primary taxonomy
- Optometrist 152W00000X
- License number
- 3274-35 WI
Self-reported in NPPES; status is on the state search - Practice location
- 2612 E Washington Ave, Madison, WI 53704
- Phone
- (608) 249-5100
- Enumerated
- Jul 30, 2012
- Record last updated
- Jun 19, 2018 (not updated in 8 years: call before relying on the address or phone)
- Medicare enrollment
- Enrolled (PECOS I20121101000199); accepts Medicare assignment
- Medical or professional school
- Illinois College Of Optometry At Chicago, 2012
- Entity
- Type 1 · individual
8 nearest optometrist records → All 1,161 in Wisconsin → Look up another NPI →
Verify Sara Margaret Winkler in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Wisconsin board licenses this profession
Search for license 3274-35Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
76% fewer Medicare Part D claims than the average optometrist in 2024
66 Medicare Part D claims for 30 beneficiaries, against an average of 277 among the 33,128 providers of this specialty who prescribed in Part D. Brand-name drugs were 68% of claims.
Most prescribed
- Latanoprost21 claims
- Prednisolone Acetate13 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.
Industry payments in 2024: $33.21
2 payments; by number, the most common kind was food and beverage; the largest payer was Alcon Vision LLC. 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
- May Vision Center LLCWaunakee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
Sara Margaret Winkler among 1,161 optometrist records in Wisconsin
Sara Margaret Winkler, 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 updated2018 · 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).
Optometrist providers in Wisconsin
There are 1,161 optometrist records in Wisconsin.
All 1,161 in Wisconsin → Every provider in Madison → Optometrist nationwide →
The 8 optometrist records with the nearest ZIP codes
- Bret Ammeraal, O.D.Madison, WI 537041104877398
- Dawn Butts, O.D.Madison, WI 537041619230638
- Jonathan Garcia Julian, ODMadison, WI 537041326564436
- Leon Griffin, O.D.Madison, WI 537041659388478
- Mark Hartich, O.DMadison, WI 537041417980145
- Jayson Heier, O.D.Madison, WI 537041255718003
- Penny Iverson-Ammeraal, O.D.Madison, WI 537041467402651
- Zachary Makal, ODMadison, WI 537041952015968
Common questions
What is Sara Margaret Winkler, O.D.'s NPI number?
Sara Margaret Winkler, O.D.'s National Provider Identifier (NPI) is 1770839508, issued on Jul 30, 2012. An NPI identifies a provider in billing; it is not a license.
Where is Sara Margaret Winkler, O.D. located?
The NPPES record lists a practice address at 2612 E Washington Ave, Madison, WI, 53704. Phone: (608) 249-5100. Providers update this record themselves, so call before visiting.
How can I verify Sara Margaret Winkler, O.D.'s license?
NPPES lists Wisconsin license number 3274-35, as entered by the provider. Search the Wisconsin board that licenses this profession; the NPPES record confirms identity only.
How much does Sara Margaret Winkler, O.D. prescribe under Medicare Part D?
In 2024, Sara Margaret Winkler, O.D. had 66 Medicare Part D claims for 30 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.