Registry data as of Aug 27, 2026

Renata Kosiek, DDS

General Practice Dentistry · Chicago, IL

Renata Kosiek, DDS is a general practice dentistry with a practice address in Chicago, Illinois, and NPI 1467669911, issued on May 16, 2007. Check the license (Illinois 019026592, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.

Record from CMS NPPES, loaded Aug 27, 2026 · Medicare files 2023 and 2024 · method · Verify with CMS →

NPPES recordas of Aug 27, 2026
1467669911
Name
Renata Kosiek
Credential
DDS
Primary taxonomy
General Practice Dentistry 1223G0001X
License number
019026592 IL
Self-reported in NPPES; status is on the state search
Practice location
6825 W Addison St, Chicago, IL 60634
Phone
(773) 736-6610
Enumerated
May 16, 2007
Entity
Type 1 · individual
Public record from CMS NPPES (open it on the CMS NPI Registry). A record is not a license: verify it with the state board.
Download card Updates feed

Also registered at 6825 W Addison St

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

  1. Kevin MadereDentist1912683863

Verify Renata Kosiek in five checks

  1. 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
  2. 2LicenseActive license and public ordersWhich Illinois board licenses this profession
    Search for license 019026592
    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
Find 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.

38% fewer Medicare Part D claims than the average general practice dentistry in 2024

52 Medicare Part D claims for 29 beneficiaries, against an average of 84 among the 68,591 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.

  1. Renata Kosiek52
  2. Specialty average84

Most prescribed

  1. Amoxicillin18 claims
  2. Chlorhexidine Gluconate18 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.

1,116 general practice dentistry records list a Chicago practice address

They are 1,116 of the 63,379 NPPES records with a Chicago practice address, and 5,203 general practice dentistry records in Illinois.

Other general practice dentistry records in Illinois

  1. Kelli Aaby, DDSLoves Park, IL1508090481
  2. Khadija Aamir Sulemanjee, DMDSkokie, IL1205493269
  3. Mohammad Abbas, DDSNorthlake, IL1013975531
  4. Abdullah Abd EssamadChicago, IL1528848066
  5. Samer Abdallah, DDSPalatine, IL1487092706
  6. Dana Abdeddin, DDSPalos Heights, IL1083442768
  7. Hossam AbdelsalamElgin, IL1184248213
  8. Naser Abdelsalam, DMDChicago, IL1528740875
  9. Tawfik Abdul DayemNaperville, IL1003536269
  10. Osaamah Abdulla, DMDBlue Island, IL1083407886

Common questions

What is Renata Kosiek, DDS's NPI number?

Renata Kosiek, DDS's National Provider Identifier (NPI) is 1467669911, issued on May 16, 2007. An NPI identifies a provider in billing; it is not a license.

Where is Renata Kosiek, DDS located?

The NPPES record lists a practice address at 6825 W Addison St, Chicago, IL, 60634. Phone: (773) 736-6610. Providers update this record themselves, so call before visiting.

How can I verify Renata Kosiek, DDS's license?

NPPES lists Illinois license number 019026592, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.

How much does Renata Kosiek, DDS prescribe under Medicare Part D?

In 2024, Renata Kosiek, DDS had 52 Medicare Part D claims for 29 beneficiaries; the average among general practice dentistry prescribers was 84. Part D covers Medicare prescriptions only.

Source: CMS National Plan and Provider Enumeration System (NPPES), loaded Aug 27, 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.

Every figure on PlainDoctor is rendered directly from the federal CMS NPPES registry, Medicare Part D, MIPS, and Open Payments records, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of Aug 27, 2026.