John C. Wynsen, M.D.
Interventional Cardiology Physician · Milwaukee, WI
John C. Wynsen, M.D. is an interventional cardiology physician with a practice address in Milwaukee, Wisconsin, and NPI 1841231982, issued on Jun 9, 2006. Check the license (Wisconsin 27119, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.
- Name
- John C. Wynsen
- Credential
- M.D.
- Primary taxonomy
- Interventional Cardiology Physician 207RI0011X
- License number
- 27119 WI
Self-reported in NPPES; status is on the state search - Practice location
- 9200 W Wisconsin Ave, Milwaukee, WI 53226
- Phone
- (414) 805-6000
- Enumerated
- Jun 9, 2006
- Record last updated
- Mar 25, 2024
- Fax
- (414) 805-6280
- Medicaid IDs
- 1841231982 WI
30832300 WI - Entity
- Type 1 · individual
8 nearest interventional cardiology physician records → All 129 in Wisconsin → Look up another NPI →
Also registered at 9200 W Wisconsin Ave
A shared address usually means a shared clinic or building; it does not show who employs whom.
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Verify John C. Wynsen in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWisconsin Medical Examining Board
Search for license 27119Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
99% fewer Medicare Part D claims than the average interventional cardiology physician in 2024
21 Medicare Part D claims, against an average of 3,179 among the 6,605 providers of this specialty who prescribed in Part D.
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.
John C. Wynsen among 129 interventional cardiology physician records in Wisconsin
John C. Wynsen, M.D. is one of 129 interventional cardiology physician records with a practice address in Wisconsin. 92% 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 5% of them.
- NPI issued2006 · 5% of these records are older, 44% newer
- In a Medicare fileYes · 92% of these records are
- In the CMS Doctors and Clinicians fileNo · 86% of these records are
- Record last updated2024 · 42% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RI0011X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Interventional Cardiology Physician providers in Wisconsin
There are 129 interventional cardiology physician records in Wisconsin.
All 129 in Wisconsin → Every provider in Milwaukee → Interventional Cardiology Physician nationwide →
The 8 interventional cardiology physician records with the nearest ZIP codes
- Saif Anwaruddin, MDMilwaukee, WI 532261275658114
- Iyad Azzam, MDMilwaukee, WI 532261811216229
- Ashish Chaddha, MDMilwaukee, WI 532261376955492
- Michael Cinquegrani, MDMilwaukee, WI 532261164473567
- Russell Dabrowski, M.D.Milwaukee, WI 532261770694481
- Jeremiah Depta, M.D.Milwaukee, WI 532261548453939
- Panayotis Fasseas, MDMilwaukee, WI 532261407800709
- Mina Iskander, M.D.Milwaukee, WI 532261639584832
Common questions
What is John C. Wynsen, M.D.'s NPI number?
John C. Wynsen, M.D.'s National Provider Identifier (NPI) is 1841231982, issued on Jun 9, 2006. An NPI identifies a provider in billing; it is not a license.
Where is John C. Wynsen, M.D. located?
The NPPES record lists a practice address at 9200 W Wisconsin Ave, Milwaukee, WI, 53226. Phone: (414) 805-6000. Providers update this record themselves, so call before visiting.
How can I verify John C. Wynsen, M.D.'s license?
NPPES lists Wisconsin license number 27119, 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 John C. Wynsen, M.D. prescribe under Medicare Part D?
In 2024, John C. Wynsen, M.D. had 21 Medicare Part D claims; the average among interventional cardiology physician prescribers was 3,179. 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.