William Wirostko, MD
Ophthalmology Physician · Milwaukee, WI
William Wirostko, MD is an ophthalmology physician with a practice address in Milwaukee, Wisconsin, and NPI 1255383733, issued on May 16, 2006. Check the license (Wisconsin 37513, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- William Wirostko
- Credential
- MD
- Primary taxonomy
- Ophthalmology Physician 207W00000X
- License number
- 37513 WI
Self-reported in NPPES; status is on the state search - Practice location
- 925 N 87TH St, Milwaukee, WI 53226
- Phone
- (414) 456-2020
- Enumerated
- May 16, 2006
- Record last updated
- Nov 8, 2016 (not updated in 10 years: call before relying on the address or phone)
- Fax
- (414) 456-6300
- Medicaid IDs
- 1255383733 WI
32508100 WI - Medicare enrollment
- Enrolled (PECOS I20060627000350); accepts Medicare assignment
- Medical or professional school
- University Of Virginia School Of Medicine, 1994
- Entity
- Type 1 · individual
8 nearest ophthalmology physician records → All 441 in Wisconsin → Look up another NPI →
Also registered at 925 N 87TH St
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify William Wirostko in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 37513Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
66% fewer Medicare Part D claims than the average ophthalmology physician in 2024
518 Medicare Part D claims for 188 beneficiaries, against an average of 1,518 among the 16,459 providers of this specialty who prescribed in Part D. Brand-name drugs were 37% of claims.
Most prescribed
- Prednisolone Acetate154 claims
- Ofloxacin106 claims
- Ketorolac Tromethamine75 claims
- Dorzolamide-Timolol36 claims
- Brimonidine Tartrate32 claims
- Latanoprost30 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.
Bills Medicare through 2 group practices
- Froedtert Andthe Medical College OF Wisconsin Community Physicians IncWaukesha, WI
- The Medical College OF Wisconsin IncMilwaukee, WI
Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).
William Wirostko among 441 ophthalmology physician records in Wisconsin
William Wirostko, 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 2006, is newer than 15% of them.
- NPI issued2006 · 15% of these records are older, 38% newer
- In a Medicare fileYes · 71% of these records are
- In the CMS Doctors and Clinicians fileYes · 59% of these records are
- Graduated1994 · median 2005 among the 259 with a school on file
- Record last updated2016 · 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 Milwaukee → Ophthalmology Physician nationwide →
The 8 ophthalmology physician records with the nearest ZIP codes
- Thomas Cesarz, MDWauwatosa, WI 532261710975271
- Thomas Connor, MDMilwaukee, WI 532261497707921
- Deborah Costakos, M.D.Milwaukee, WI 532261568466928
- Dennis Han, MDMilwaukee, WI 532261598716334
- Dale Heuer, MDMilwaukee, WI 532261336190164
- Alexander Khammar, MDMilwaukee, WI 532261649256512
- Jane Kivlin, MDMilwaukee, WI 532261083665822
- Steven Koenig, MDMilwaukee, WI 532261477504868
Common questions
What is William Wirostko, MD's NPI number?
William Wirostko, MD's National Provider Identifier (NPI) is 1255383733, issued on May 16, 2006. An NPI identifies a provider in billing; it is not a license.
Where is William Wirostko, MD located?
The NPPES record lists a practice address at 925 N 87TH St, Milwaukee, WI, 53226. Phone: (414) 456-2020. Providers update this record themselves, so call before visiting.
How can I verify William Wirostko, MD's license?
NPPES lists Wisconsin license number 37513, 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 William Wirostko, MD prescribe under Medicare Part D?
In 2024, William Wirostko, MD had 518 Medicare Part D claims for 188 beneficiaries; the average among ophthalmology physician prescribers was 1,518. 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.