Sara Margaret Winkler, OD
- Medicare patients, 2024
- 256
- Part D claims, 2024
- 66
- Industry payments
- $19
- Affiliated sites
- 1
- Medical group
- 1
- Practice address
- 330 N Century Ave, Waunakee, WI 53597
- Practice phone
- Call (608) 849-3937
- Professional email
- Get professional email
- Personal email
- Get personal email
- Mobile number
- Get mobile number
Primary practice
May Vision Center
Waunakee, Wisconsin
Find Sara Winkler's professional email, personal email and mobile number
Dmand AI checks each channel through healthcare-specific waterfall enrichment. See what is on file with a free account, with practice phones, licenses and affiliations.
Sara Margaret Winkler is an optometrist in Waunakee, Wisconsin
Sara Winkler practices at May Vision Center in Waunakee, Wisconsin.
Sara Winkler's NPI, 1770839508, was assigned on July 30, 2012. Sara Winkler graduated from Illinois College of Optometry at Chicago in 2012. Sara Winkler holds Wisconsin license 3274-35.
- NPI
- 1770839508NPI Registry (opens in a new tab)
- Medicare PAC ID
- 1557511391
- NPI enumeration date
- July 30, 2012
- NPI status
- Active
- Accepts Medicare assignment
- Yes
- Practice phone
- (608) 849-3937
- Professional email
- Get email
- Personal email
- Get email
- Mobile number
- Get number
- Sex
- Female
- Estimated age
- 40
- Medical school graduation
- 2012
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; Dmand AI Practice Data; and Doctors and Clinicians National Downloadable File (CMS)
Sara Margaret Winkler practices at May Vision Center in Waunakee, Wisconsin
Sara Winkler's primary practice is May Vision Center, at 330 N Century Ave, Waunakee, WI 53597 in Dane County. The practice phone is (608) 849-3937.
- May Vision Center330 N Century Ave, Waunakee, WI 53597 · Dane CountyPhone(608) 849-3937
Sources: NPPES NPI Registry (CMS); and Dmand AI Practice Data
Sara Margaret Winkler is affiliated with 2 sites of care and 1 medical group
Sara Winkler's primary practice is May Vision Center in Waunakee, Wisconsin. Dmand AI also links Sara Winkler to 1 group practice or clinic and 1 medical group, each named with a free account.
Sources: NPPES NPI Registry (CMS); Dmand AI Practice Data; and Dmand AI Affiliation Data
Dmand AI tracks the EHR system at Sara Margaret Winkler's practice
Dmand AI tracks the electronic health record (EHR) system at each site where Sara Winkler practices. Vendor and product names are available with a free account.
| Site | EHR vendor and product |
|---|---|
| May Vision Center | Available with a free account |
| +1 more site and 1 medical group | Available with a free account |
Source: Dmand AI Technology Install Data
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Sara Margaret Winkler is one of 946 optometrists in Wisconsin
Optometrist is Sara Winkler's primary specialty in the NPI Registry, under taxonomy code 152W00000X. Sara Winkler is licensed in Wisconsin.
Specialties and state licenses
- Optometrist, WisconsinPrimary
Optometrists near Sara Winkler
Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.
Sources: NPPES NPI Registry (CMS); Dmand AI Professional Profile Data; and Dmand AI Peer Benchmarks
Sara Margaret Winkler treated 256 Medicare patients in 2024, average age 73
CMS counts 256 Medicare patients who saw Sara Winkler in 2024. The largest group is 65 to 74, with 156 patients. 54% of them have high blood pressure, and 51% have high cholesterol. Their average risk score is 0.73, where 1.00 is the Medicare average.
Across all payers, Dmand AI patient panel data puts Sara Winkler's median patient age at 56, with 59% women.
Sara Winkler's Medicare patients by age, 2024
CMS leaves out age groups with fewer than 11 patients.
Sara Winkler's Medicare patients by sex, 2024
- Women14657%
- Men11043%
Chronic conditions among Sara Winkler's Medicare patients, 2024
- High blood pressure54%
- High cholesterol51%
- Arthritis28%
- Diabetes21%
- Ischemic heart disease16%
- Anxiety14%
- Atrial fibrillation13%
- Mood disorders13%
Share of Medicare patients with each condition. A patient can have several.
Sara Winkler's patients across all payers
Dmand AI patient panel data covers Medicare, Medicaid and commercial patients.
Patient panel by age, all payers
Median age 56
Patient panel by sex, all payers
- Women59%
- Men40%
Sources: Dmand AI Patient Panel Data; and Medicare Physician & Other Practitioners - by Provider (CMS), 2024 data
Sara Margaret Winkler wrote 66 Medicare Part D claims in 2024
In 2024, Sara Winkler wrote 66 Medicare Part D claims for 30 patients. 32% of them were for generic drugs.
Sara Winkler's Part D claims by kind of drug, 2024
- Generic21 claims32%
- Brand-name45 claims68%
Source: Medicare Part D Prescribers - by Provider (CMS), 2024 data
Sara Margaret Winkler ranks in the 40th percentile for cataract surgery in Medicare
Sara Winkler accepts Medicare assignment, so Medicare's approved amount is taken as full payment. CMS counts 16 procedures of cataract surgery by Sara Winkler, more than 40% of the clinicians it reports for that procedure.
- Accepts Medicare assignment
- Yes
Where Sara Winkler ranks in Medicare procedure volume
- Cataract surgery
- 40th percentile16 procedures
CMS ranks each clinician against every clinician it reports for the same procedure category.
Sources: Doctors and Clinicians National Downloadable File (CMS); and Doctors and Clinicians Utilization Data (CMS)
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Sara Margaret Winkler received $19 in industry payments in 2025
CMS Open Payments shows 1 general payment to Sara Winkler from 1 drug or device company in 2025. Food and beverage make up the largest share, 100% of the total. CooperVision Inc. paid the most, $19.
Companies that paid Sara Winkler the most, 2025 to 2025
Share is of all general payments to this clinician.
Source: Open Payments (CMS), 2025 data, released July 7, 2026
Sara Margaret Winkler graduated from Illinois College of Optometry at Chicago
Sara Winkler graduated from Illinois College of Optometry at Chicago in 2012.
- Medical school
Source: Dmand AI Professional Profile Data
Sources for Sara Margaret Winkler's profile data
| Data on this page | Source |
|---|---|
| NPI, name, sex, specialty and licenses | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data |
| Practice locations and phone | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data |
| Primary practice, affiliations and health system | NPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data |
| Medicare patients and the all-payer patient panel | Dmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab) |
| Part D prescribing | Medicare Part D Prescribers - by Provider (CMS) (opens in a new tab) |
| MIPS scores, telehealth, assignment and procedure percentiles | Doctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab) |
| Industry payments | Open Payments (CMS) (opens in a new tab) |
| Training, board certification and memberships | Dmand AI Professional Profile Data |
| EHR at each practice site | Dmand AI Technology Install Data |
| Similar physicians | Dmand AI Affiliation Data |
Data last refreshed October 2026Report an inaccuracyRemove my information
FAQ
Frequently asked questions about Sara Margaret Winkler
Spotted something out of date? Email hello@dmand.ai and we will check the record. Contact details live in the free trial.
What is Sara Margaret Winkler's NPI number?
Sara Margaret Winkler's NPI number is 1770839508. It was assigned on July 30, 2012, and it is active in the NPI Registry.
What does Sara Margaret Winkler specialize in?
Sara Margaret Winkler is an optometrist in Waunakee, Wisconsin. The primary specialty in the NPI Registry is Optometrist (taxonomy code 152W00000X).
Where does Sara Margaret Winkler practice?
Sara Winkler practices at 330 N Century Ave, Waunakee, WI 53597. Sara Winkler's primary practice is May Vision Center in Waunakee, Wisconsin. Dmand AI also links Sara Winkler to 1 group practice or clinic and 1 medical group.
What is Sara Margaret Winkler's office phone number?
The practice phone on file for Sara Winkler is (608) 849-3937.
What is Sara Margaret Winkler's medical license number?
Sara Winkler holds Wisconsin license 3274-35.
Does Sara Margaret Winkler accept Medicare?
Yes. CMS lists Sara Winkler as accepting Medicare assignment.
How many Medicare patients does Sara Margaret Winkler see?
CMS counts 256 Medicare patients who saw Sara Winkler in 2024, with an average age of 73.
Where did Sara Margaret Winkler go to medical school?
Sara Winkler graduated from Illinois College of Optometry at Chicago in 2012.
Has Sara Margaret Winkler received payments from drug or device companies?
CMS Open Payments shows $19 in general payments to Sara Winkler from 1 company from 2025 to 2025. The largest total came from CooperVision Inc.
How long has Sara Margaret Winkler been practicing?
Sara Winkler graduated from medical school in 2012, 14 years ago.
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