Sara Margaret Winkler, OD

  • Waunakee, WI
  • Optometrist
NPI1770839508PAC ID1557511391
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
Social profiles

Primary practice

May Vision Center

Waunakee, Wisconsin

See all 3 affiliations

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.

View contacts for free

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 and contact details
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 Center
    330 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.

See all 3 affiliations for Sara Winkler

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.

EHR by site
SiteEHR vendor and product
May Vision CenterAvailable with a free account
+1 more site and 1 medical groupAvailable with a free account

Source: Dmand AI Technology Install Data

For health IT teams

See the EHR and IT leaders at every site where Sara Winkler practices

Dmand AI maps EHR vendors, IT decision makers and buying committees across each health system and 6.2K+ hospitals, with verified contacts in the same login.

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, WisconsinPrimaryLicense 3274-35 · taxonomy 152W00000X

Optometrists near Sara Winkler

Counts of optometrists with a Dmand AI profile, by place and practice. Each opens the list.

946optometrists in Wisconsin
5optometrists in Waunakee

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.

Medicare patients, 2024256
Average age73
Average risk score0.73

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

  1. High blood pressure54%
  2. High cholesterol51%
  3. Arthritis28%
  4. Diabetes21%
  5. Ischemic heart disease16%
  6. Anxiety14%
  7. Atrial fibrillation13%
  8. 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.

Part D claims, 202466
Part D patients30

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)

For MedTech and pharma teams

Find optometrists like Sara Winkler by procedure volume and prescribing

Filter 7.4M+ HCPs by Medicare procedures, Part D drugs and Open Payments history, then reach them with verified contacts in one login.

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.

See all payments to Sara Winkler

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.

  1. Medical schoolIllinois College of Optometry at Chicago

Source: Dmand AI Professional Profile Data

Sources for Sara Margaret Winkler's profile data

Sources for the data on this page
Data on this pageSource
NPI, name, sex, specialty and licensesNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Professional Profile Data
Practice locations and phoneNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice Data
Primary practice, affiliations and health systemNPPES NPI Registry (CMS) (opens in a new tab)Dmand AI Practice DataDmand AI Affiliation Data
Medicare patients and the all-payer patient panelDmand AI Patient Panel DataMedicare Physician & Other Practitioners - by Provider (CMS) (opens in a new tab)
Part D prescribingMedicare Part D Prescribers - by Provider (CMS) (opens in a new tab)
MIPS scores, telehealth, assignment and procedure percentilesDoctors and Clinicians National Downloadable File (CMS) (opens in a new tab)Doctors and Clinicians Utilization Data (CMS) (opens in a new tab)
Industry paymentsOpen Payments (CMS) (opens in a new tab)
Training, board certification and membershipsDmand AI Professional Profile Data
EHR at each practice siteDmand AI Technology Install Data
Similar physiciansDmand 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.

Selling to optometrist practices?

See optometrists in Wisconsin by site of care and group

Find the practices, groups and hospitals they work with, and the right people to contact at each.

  • 30 days free
  • Self-serve
  • No credit card

Cookie settings

Turn each category on or off. Your choice is kept for 12 months and you can change it here at any time.

Necessary

Always on. Sign-in, security, downloads you asked for, your cookie choice, and the page that led to a signup.

View cookies (6)
  • dm_consentDmand AI. Your cookie choices and whether your browser sent a Global Privacy Control signal. 12 months.
  • dm_ft, dm_ltDmand AI. The first and the latest page you arrived on, with the date, so a signup is credited to the page that worked. 90 days, 30 days.
  • dm_fs, dm_lsDmand AI. The first and the latest source of a visit (a search engine, a campaign or the site that linked here). 90 days, 30 days.
  • dm_dl, dm_dl_okDmand AI. After you give an email address for a download, lets you download files without being asked again. 30 days.
  • Session and CSRF cookiesDmand AI (app.dmand.ai). Sign-in and form protection in the application. Session.
  • __cf_bm, cf_clearanceCloudflare. Tells people from automated traffic and keeps the site available. 30 minutes; cf_clearance while a security check is valid.

Analytics

On unless you turn it off. How pages are used, in aggregate, and recordings of how pages are used.

View cookies (6)
  • Google Tag ManagerGoogle. Loads the analytics and marketing tags that are on. Sets no cookie of its own and does not load when both categories are off. n/a.
  • _ga, _ga_<container-id>Google Analytics 4. Visits and page views in aggregate on dmand.ai. 2 years.
  • _clck, _clskMicrosoft Clarity. Recordings and heatmaps of how pages are used, with form fields masked. 1 year, 1 day.
  • CLID, MUID, ANONCHK, MR, SMMicrosoft (clarity.ms). Set by Microsoft when Clarity loads, to recognize a browser across sites that use Clarity. Up to 1 year.
  • None (cookieless)Ahrefs Analytics. Page views in aggregate. n/a.
  • ph_<project>_posthogPostHog. Product usage, errors and performance in app.dmand.ai, used to fix bugs and improve features. 365 days.

Marketing

On unless you turn it off, and always off when your browser sends a Global Privacy Control signal. A visitor identification service tells our sales team which companies and people visit.

View cookies (6)
  • _reb2buid, _reb2butkRB2B. Recognizes a returning browser for visitor identification. 360 days, 1 year.
  • _reb2bgeoRB2B. The location used to decide whether a visit can be identified. 20 days.
  • _reb2brefRB2B. The page or site that referred the visit. 15 days.
  • _reb2bfxf, _reb2btd, _reb2bliRB2B. Links the visit to an identified business profile. 1 month.
  • _reb2bresolveRB2B. Holds a match while it is being resolved. 2 days.
  • _reb2sessionID, _reb2bloadedRB2B. The current visit, and a guard against loading the script twice. 30 minutes, 1 second.

Functional

On unless you turn it off. Remembers choices such as a collapsed section.

View cookies (none today)