Justyna Chojnowski, DDS
Dentist · Gurnee, IL
Justyna Chojnowski, DDS is a dentist with a practice address in Gurnee, Illinois, and NPI 1245808005, issued on Jun 16, 2021. Check the license (Illinois 019033246, as entered in NPPES) with the Illinois board that licenses this profession; the Medicare figures below come from public CMS files.
- Name
- Justyna Chojnowski
- Credential
- DDS
- Primary taxonomy
- Dentist 122300000X
- License number
- 019033246 IL
Self-reported in NPPES; status is on the state search - Practice location
- 101 S Greenleaf St Ste E, Gurnee, IL 60031
- Phone
- (847) 662-3100
- Enumerated
- Jun 16, 2021
- Record last updated
- Jul 27, 2021 (not updated in 5 years: call before relying on the address or phone)
- Entity
- Type 1 · individual
8 nearest dentist records → All 4,522 in Illinois → Look up another NPI →
Verify Justyna Chojnowski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 019033246Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
71% fewer Medicare Part D claims than the average dentist in 2024
25 Medicare Part D claims for 24 beneficiaries, against an average of 86 among the 51,021 providers of this specialty who prescribed in Part D. Brand-name drugs were 0% of claims.
Most prescribed
- Amoxicillin20 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.
Justyna Chojnowski among 4,522 dentist records in Illinois
Justyna Chojnowski, DDS is one of 4,522 dentist records with a practice address in Illinois. 64% 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 82% of them.
- NPI issued2021 · 82% of these records are older, 15% newer
- In a Medicare fileYes · 64% of these records are
- In the CMS Doctors and Clinicians fileNo · under 1% of these records are
- Record last updated2021 · 74% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 122300000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
18 dentist records list a practice address in Gurnee
They are 18 of the 846 NPPES records with a practice address in Gurnee, and 4,522 dentist records in Illinois.
All 4,522 in Illinois → Every provider in Gurnee → Dentist nationwide →
The 8 dentist records with the nearest ZIP codes
- William Bacon, DDSGurnee, IL 600311073643052
- Duc Chung, DDSGurnee, IL 600311881795656
- Dennis Dobrin, DDSGurnee, IL 600311235230012
- William Dobrin, DDSGurnee, IL 600311376644112
- Tim Jackimek, D.D.S.Gurnee, IL 600311326189309
- Ross Johnsen, DDSGurnee, IL 600311649371410
- Gerald Mackey, DDSGurnee, IL 600311265696710
- James Macrowski, DDSGurnee, IL 600311407966989
Common questions
What is Justyna Chojnowski, DDS's NPI number?
Justyna Chojnowski, DDS's National Provider Identifier (NPI) is 1245808005, issued on Jun 16, 2021. An NPI identifies a provider in billing; it is not a license.
Where is Justyna Chojnowski, DDS located?
The NPPES record lists a practice address at 101 S Greenleaf St Ste E, Gurnee, IL, 60031. Phone: (847) 662-3100. Providers update this record themselves, so call before visiting.
How can I verify Justyna Chojnowski, DDS's license?
NPPES lists Illinois license number 019033246, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity only.
How much does Justyna Chojnowski, DDS prescribe under Medicare Part D?
In 2024, Justyna Chojnowski, DDS had 25 Medicare Part D claims for 24 beneficiaries; the average among dentist prescribers was 86. 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.