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JOHN MARTIN JAZDZEWSKI LMSW
NPI 1174410914
Social Worker in Westmont, IL

Active since June 23, 2025
414 PLAZA DR STE 301, WESTMONT, IL 60559(630) 728-1744 Get Directions Write a Review

NPPES record last updated: February 6, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Feb 6, 2026, Jun 28, 2025 (2 updates tracked since 2025).

About John Martin Jazdzewski Lmsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

JOHN MARTIN JAZDZEWSKI LMSW (NPI 1174410914) is an individual social worker in Westmont, Illinois, licensed in Illinois (150015145) and active in the NPI registry since June 2025.

NPPES Registry Identity

NPI1174410914
Entity TypeIndividualMale
Primary Taxonomy104100000X
Provider Legal NameJOHN MARTIN JAZDZEWSKICredential: LMSW
Location Address414 PLAZA DR STE 301Westmont, IL 60559-5508
Mailing Address41w400 Silver Glen RdSt Charles, IL 60175-8453 · (331) 901-4225
Phone(630) 728-1744
Sole ProprietorYes
Enumeration DateJune 23, 2025
Last NPPES UpdateFebruary 6, 20262 updates tracked since enumeration
NPPES CertifiedFebruary 6, 2026
✔ NPI 1174410914 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in IL · 150015145
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
414 PLAZA DR STE 301, Westmont, IL 60559
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Other Providers at the Same Location NPPES 20

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

CRISTINA ISABELLA DI RE LPC - INTERN
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (630) 728-1744
JESSICA LOFTUS LPC - INTERN
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (630) 728-1744
ATALISSA JOANNA DEAN LPC
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (630) 728-1744
MRS. VEDA SIMMONS
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (513) 324-3562
SANDY GUZMAN LPC
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (630) 728-1744
KORRIE MARTZ-STAPEL LPC - INTERN
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (630) 728-1744
MARCHELLA MAILEY
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (630) 728-1744
MRS. JULIE PATE LCPC
Counselor (Professional)
414 PLAZA DR STE 301
WESTMONT, IL 60559
Dupage County (630) 728-1744

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is John Jazdzewski's NPI number?

The NPI number for John Jazdzewski is 1174410914. It was assigned to this individual provider in the NPPES registry on June 23, 2025.

Where is John Jazdzewski located?

John Jazdzewski practices at 414 Plaza Dr Ste 301, Westmont, IL 60559. The listed phone number is (630) 728-1744.

What is John Jazdzewski's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for John Jazdzewski was last updated on February 6, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 months ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.