NPPES file of Aug 9, 2026

Jeffrey D. Winkoski, M.D.

Family Medicine Physician · New Berlin, WI

Jeffrey D. Winkoski, M.D. is a family medicine physician with a practice address in New Berlin, Wisconsin, and NPI 1164495966, issued on Feb 10, 2006. Check the license (Wisconsin 36115, as entered in NPPES) on the Wisconsin Medical Examining Board; the Medicare figures below come from public CMS files.

Record from CMS NPPES, file of Aug 9, 2026 · Medicare files 2024 · method · Verify with CMS →

NPPES recordNPPES file of Aug 9, 2026
1164495966
Name
Jeffrey D. Winkoski
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License number
36115 WI
Self-reported in NPPES; status is on the state search
Practice location
Prohealth Care Medical Centers-New Berlin, New Berlin, WI 53151
Phone
(262) 928-4500
Enumerated
Feb 10, 2006
Record last updated
Nov 9, 2011 (not updated in 15 years: call before relying on the address or phone)
Fax
(292) 928-4550
Medicaid ID
32084700 WI
Medicare enrollment
Enrolled (PECOS I20101104001633); accepts Medicare assignment
Medical or professional school
University Of Texas Medical Branch At Galveston, 1991
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). Enrollment, assignment, school and telehealth: CMS Doctors and Clinicians file, Aug 2026. A record is not a license: verify it with the state board.
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Verify Jeffrey D. Winkoski in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWisconsin Medical Examining Board
    Search for license 36115
    Check the board
  3. 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
  4. 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
  5. 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
Open the Wisconsin license search

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77% more Medicare Part D claims than the average family medicine physician in 2024

6,288 Medicare Part D claims for 601 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 8% of claims. 33 claims were for opioids.

  1. Jeffrey Winkoski6,288
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium545 claims
  2. Amlodipine Besylate433 claims
  3. Lisinopril363 claims
  4. Losartan Potassium231 claims
  5. Metoprolol Succinate209 claims
  6. Simvastatin197 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 one group practice

  1. Prohealth Medical Group IncNew Berlin, WI

Source: CMS Doctors and Clinicians National Downloadable File (the group practices a clinician bills Medicare through) (data.cms.gov).

Jeffrey D. Winkoski among 3,765 family medicine physician records in Wisconsin

Jeffrey D. Winkoski, M.D. is one of 3,765 family medicine physician records with a practice address in Wisconsin. 75% 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 10% of them.

  • NPI issued2006 · 10% of these records are older, 46% newer
  • In a Medicare fileYes · 75% of these records are
  • In the CMS Doctors and Clinicians fileYes · 62% of these records are
  • Graduated1991 · median 2007 among the 2,347 with a school on file
  • Record last updated2011 · 56% of these records were not updated in five years or more

Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207Q00000X and a Wisconsin practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).

36 family medicine physician records list a practice address in New Berlin

They are 36 of the 662 NPPES records with a practice address in New Berlin, and 3,765 family medicine physician records in Wisconsin.

The 8 family medicine physician records with the nearest ZIP codes

  1. Roger Beaumont, D.O.New Berlin, WI 531511649268061
  2. James Censky, MDNew Berlin, WI 531511467459248
  3. Nezih Hasanoglu, D.O.New Berlin, WI 531511730166901
  4. Kevin Izard, M.D.New Berlin, WI 531511508831926
  5. Renee Knapp, D.O.New Berlin, WI 531511043283815
  6. Gary Kuhl, D.O.New Berlin, WI 531511649243429
  7. Gregory Kuhr, MDNew Berlin, WI 531511720049844
  8. Margaret Leonhardt, M.D.New Berlin, WI 531511538153416

Common questions

What is Jeffrey D. Winkoski, M.D.'s NPI number?

Jeffrey D. Winkoski, M.D.'s National Provider Identifier (NPI) is 1164495966, issued on Feb 10, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Jeffrey D. Winkoski, M.D. located?

The NPPES record lists a practice address at Prohealth Care Medical Centers-New Berlin, New Berlin, WI, 53151. Phone: (262) 928-4500. Providers update this record themselves, so call before visiting.

How can I verify Jeffrey D. Winkoski, M.D.'s license?

NPPES lists Wisconsin license number 36115, 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 Jeffrey D. Winkoski, M.D. prescribe under Medicare Part D?

In 2024, Jeffrey D. Winkoski, M.D. had 6,288 Medicare Part D claims for 601 beneficiaries; the average among family medicine physician prescribers was 3,544. 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.