John Martin Jazdzewski, LMSW
Social Worker · Westmont, IL
John Martin Jazdzewski, LMSW is a social worker with a practice address in Westmont, Illinois, and NPI 1174410914, issued on Jun 23, 2025. Check the license (Illinois 150015145, as entered in NPPES) with the Illinois board that licenses this profession; the federal record below is the public data PlainDoctor holds for this provider.
- Name
- John Martin Jazdzewski
- Credential
- LMSW
- Primary taxonomy
- Social Worker 104100000X
- License number
- 150015145 IL
Self-reported in NPPES; status is on the state search - Practice location
- 414 Plaza Dr Ste 301, Westmont, IL 60559
- Phone
- (630) 728-1744
- Enumerated
- Jun 23, 2025
- Record last updated
- Feb 6, 2026
- Entity
- Type 1 · individual
8 nearest social worker records → All 5,881 in Illinois → Look up another NPI →
Also registered at 414 Plaza Dr Ste 301
A shared address usually means a shared clinic or building; it does not show who employs whom.
- Jacqueline BautistaSocial Worker1831948900
- Amber Berridge, LCSWClinical Social Worker1972065878
- James BowldsProfessional Counselor1750126660
- Oluwabusola CarrenaProfessional Counselor1356089064
- Joseph ChaeProfessional Counselor1548760416
- Mariah ChatmanSocial Worker1649012956
Verify John Martin Jazdzewski in five checks
- 1IdentityNPI record in CMS NPPESNPI lookupConfirmed in NPPES
- 2LicenseActive license and public ordersWhich Illinois board licenses this profession
Search for license 150015145Check the board - 3Other statesLicenses and actions elsewhereDocInfo (FSMB)Not checked
- 4ExclusionsMedicare and Medicaid bansHHS-OIG exclusion listNot checked
- 5CertificationBoard certificationABMS AOA NCCPA AANPNot checked
John Martin Jazdzewski among 5,881 social worker records in Illinois
John Martin Jazdzewski, LMSW is one of 5,881 social worker records with a practice address in Illinois. 3% of them appear in a Medicare file (Part D prescribing, MIPS, Open Payments or Medicare group billing); this one does not. Its NPI, issued in 2025, is newer than 79% of them.
- NPI issued2025 · 79% of these records are older, 8% newer
- In a Medicare fileNo · 3% of these records are
- In the CMS Doctors and Clinicians fileNo · 5% of these records are
- Record last updated2026 · 40% of these records were not updated in five years or more
Source: CMS NPPES, file of Aug 9, 2026, every record with primary taxonomy 104100000X and a Illinois practice address; Medicare files: CMS Part D Prescribers 2024, MIPS 2023, Open Payments 2024, Doctors and Clinicians (data.cms.gov).
13 social worker records list a practice address in Westmont
They are 13 of the 814 NPPES records with a practice address in Westmont, and 5,881 social worker records in Illinois. No Medicare prescribing, quality score, industry payment or hospital affiliation is published for this NPI.
All 5,881 in Illinois → Every provider in Westmont → Social Worker nationwide →
The 8 social worker records with the nearest ZIP codes
- Jacqueline BautistaWestmont, IL 605591831948900
- Heather Bright, MSWWestmont, IL 605591619664679
- Mariah ChatmanWestmont, IL 605591649012956
- Julie ClarkeWestmont, IL 605591174347207
- Laura FriedlanderWestmont, IL 605591205535911
- Mackenzie Hovaniec, LSWWestmont, IL 605591508541020
- Sana Khan, MSW: INTERNWestmont, IL 605591720965973
- Vivien Ponce, LSWWestmont, IL 605591669192357
Common questions
What is John Martin Jazdzewski, LMSW's NPI number?
John Martin Jazdzewski, LMSW's National Provider Identifier (NPI) is 1174410914, issued on Jun 23, 2025. An NPI identifies a provider in billing; it is not a license.
Where is John Martin Jazdzewski, LMSW located?
The NPPES record lists a practice address at 414 Plaza Dr Ste 301, Westmont, IL, 60559. Phone: (630) 728-1744. Providers update this record themselves, so call before visiting.
How can I verify John Martin Jazdzewski, LMSW's license?
NPPES lists Illinois license number 150015145, as entered by the provider. Search the Illinois board that licenses this profession; the NPPES record confirms identity 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. 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.