NPPES file of Aug 9, 2026

Brett Michael Winkeler, M.D.

Family Medicine Physician · Freeburg, IL

Brett Michael Winkeler, M.D. is a family medicine physician with a practice address in Freeburg, Illinois, and NPI 1548362841, issued on Sep 5, 2006. Check the license (Illinois 036121173, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; 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
1548362841
Name
Brett Michael Winkeler
Credential
M.D.
Primary taxonomy
Family Medicine Physician 207Q00000X
License numbers
036121173 IL
LL28066 SC
Self-reported in NPPES; status is on the state search
Practice location
251 Marketplace Dr, Freeburg, IL 62243
Phone
(618) 539-0067
Enumerated
Sep 5, 2006
Record last updated
Oct 16, 2012 (not updated in 14 years: call before relying on the address or phone)
Fax
(618) 539-0288
Medicare enrollment
Enrolled (PECOS I20080906000078); accepts Medicare assignment
Medical or professional school
University Of Illinois College Of Med (Chi/Peor/Rock/Chm-Urb), 2005
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.
Download card Updates feed

Also registered at 251 Marketplace Dr

A shared address usually means a shared clinic or building; it does not show who employs whom.

  1. Angela KernFamily Nurse Practitioner1619537867

Verify Brett Michael Winkeler in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
    Search for license 036121173
    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 Illinois license search

PlainDoctor does not match the HHS-OIG exclusion list to individual records: most entries carry no NPI. Search the OIG exclusion list by name.

Is this page about you? You can ask us to correct, restrict or remove it: how.

2.4 times the Medicare Part D claims of the average family medicine physician in 2024

8,616 Medicare Part D claims for 579 beneficiaries, against an average of 3,544 among the 117,163 providers of this specialty who prescribed in Part D. Brand-name drugs were 14% of claims. 295 claims were for opioids.

  1. Brett Winkeler8,616
  2. Specialty average3,544

Most prescribed

  1. Atorvastatin Calcium472 claims
  2. Levothyroxine Sodium370 claims
  3. Amlodipine Besylate327 claims
  4. Lisinopril288 claims
  5. Omeprazole261 claims
  6. Rosuvastatin Calcium218 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.

Industry payments in 2024: $529.01

27 payments; by number, the most common kind was food and beverage; the largest payer was AstraZeneca Pharmaceuticals LP. The 55,478 providers of this specialty with any payment received $902.55 on average. Payments are reported by manufacturers, not by the provider, and are not a sign of wrongdoing.

  1. Brett Winkeler$529.01
  2. Specialty average$902.55

Source: CMS Open Payments, program year 2024 (openpaymentsdata.cms.gov); average among providers of this specialty with at least one payment.

Bills Medicare through one group practice

  1. Lincoln Surgical Associates, Ltd.Shiloh, IL

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

4 family medicine physician records list a practice address in Freeburg

They are 4 of the 37 NPPES records with a practice address in Freeburg, and 6,215 family medicine physician records in Illinois.

Other family medicine physician records in Illinois

  1. Jon Aagaard, MDWheaton, IL1750496923
  2. Napoleon Abando, MDWoodstock, IL1003972753
  3. Nikka Abaricia, MDChicago, IL1790366342
  4. Mohemmed AbbasChicago, IL1609612522
  5. Muhammad AbbasAlton, IL1588341556
  6. Syed AbbasWest Dundee, IL1972733103
  7. Stefanie AbbottMaywood, IL1861137457
  8. Roann Abdeladl, MDEvanston, IL1437087103
  9. Ahmed Abdelkader, MDChicago, IL1659104230
  10. Guy Abderholden, MDAntioch, IL1902899792

Common questions

What is Brett Michael Winkeler, M.D.'s NPI number?

Brett Michael Winkeler, M.D.'s National Provider Identifier (NPI) is 1548362841, issued on Sep 5, 2006. An NPI identifies a provider in billing; it is not a license.

Where is Brett Michael Winkeler, M.D. located?

The NPPES record lists a practice address at 251 Marketplace Dr, Freeburg, IL, 62243. Phone: (618) 539-0067. Providers update this record themselves, so call before visiting.

How can I verify Brett Michael Winkeler, M.D.'s license?

NPPES lists Illinois license number 036121173, as entered by the provider. Search the Illinois Department of Financial and Professional Regulation at https://idfpr.illinois.gov/checklicense.html. The NPPES record confirms identity only; the state search shows license status, expiration and public orders.

How much does Brett Michael Winkeler, M.D. prescribe under Medicare Part D?

In 2024, Brett Michael Winkeler, M.D. had 8,616 Medicare Part D claims for 579 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.