Kamil Jan Winnicki, MD
Endocrinology, Diabetes & Metabolism Physician · Chicago, IL
Kamil Jan Winnicki, MD is an endocrinology, diabetes & metabolism physician with a practice address in Chicago, Illinois, and NPI 1538747076, issued on Mar 29, 2021. Check the license (Illinois 036.169418, as entered in NPPES) on the Illinois Department of Financial and Professional Regulation; the Medicare figures below come from public CMS files.
- Name
- Kamil Jan Winnicki
- Credential
- MD
- Primary taxonomy
- Endocrinology, Diabetes & Metabolism Physician 207RE0101X
- License numbers
- 036.169418 IL
125.078200 IL
Self-reported in NPPES; status is on the state search - Practice location
- 455 E Waterside Dr, Chicago, IL 60601
- Phone
- (224) 302-6080
- Enumerated
- Mar 29, 2021
- Record last updated
- Jun 29, 2026
- Fax
- (312) 586-7744
- Entity
- Type 1 · individual
8 nearest endocrinology, diabetes & metabolism physician records → All 436 in Illinois → Look up another NPI →
Verify Kamil Jan Winnicki in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersIllinois Department of Financial and Professional Regulation
Search for license 036.169418Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
92% fewer Medicare Part D claims than the average endocrinology, diabetes & metabolism physician in 2024
207 Medicare Part D claims for 43 beneficiaries, against an average of 2,630 among the 8,223 providers of this specialty who prescribed in Part D.
Most prescribed
- Levothyroxine Sodium24 claims
- Metformin Hcl17 claims
- Pantoprazole Sodium13 claims
- Atorvastatin Calcium11 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.
Kamil Jan Winnicki among 436 endocrinology, diabetes & metabolism physician records in Illinois
Kamil Jan Winnicki, MD is one of 436 endocrinology, diabetes & metabolism physician records with a practice address in Illinois. 85% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does. Its NPI, issued in 2021, is newer than 92% of them.
- NPI issued2021 · 92% of these records are older, 5% newer
- In a Medicare fileYes · 85% of these records are
- In the CMS Doctors and Clinicians fileNo · 68% of these records are
- Record last updated2026 · 46% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 207RE0101X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
Endocrinology, Diabetes & Metabolism Physician providers in Illinois
There are 436 endocrinology, diabetes & metabolism physician records in Illinois.
All 436 in Illinois → Every provider in Chicago → Endocrinology, Diabetes & Metabolism Physician nationwide →
The 8 endocrinology, diabetes & metabolism physician records with the nearest ZIP codes
- Sanija Bajramovic, M.D.Chicago, IL 606021851341705
- James Sheinin, MDChicago, IL 606021063600468
- Robert Sobel, M.DChicago, IL 606021285707851
- Elizabeth Lowden, M.D.Chicago, IL 606061568783991
- Emily Smith, M.D.Chicago, IL 606061386906089
- Yannis Guerra, M.D.Chicago, IL 606071922193671
- Paula Butler, M.D.Chicago, IL 606081427041482
- Maguy Chiha, M.D.Chicago, IL 606081073705042
Common questions
What is Kamil Jan Winnicki, MD's NPI number?
Kamil Jan Winnicki, MD's National Provider Identifier (NPI) is 1538747076, issued on Mar 29, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Kamil Jan Winnicki, MD located?
The NPPES record lists a practice address at 455 E Waterside Dr, Chicago, IL, 60601. Phone: (224) 302-6080. Providers update this record themselves, so call before visiting.
How can I verify Kamil Jan Winnicki, MD's license?
NPPES lists Illinois license number 036.169418, 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 Kamil Jan Winnicki, MD prescribe under Medicare Part D?
In 2024, Kamil Jan Winnicki, MD had 207 Medicare Part D claims for 43 beneficiaries; the average among endocrinology, diabetes & metabolism physician prescribers was 2,630. 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.