Newly Listed Provider — this NPI profile has been added to the NPI registry within the last 90 days.

MARY SIROIS LSW
NPI 1285550871
Social Worker in Chicago, IL

Active since June 26, 2026
4854 W IRVING PARK RD, CHICAGO, IL 60641(773) 774-4444 Get Directions Write a Review

NPPES record added: June 26, 2026. Verified against the NPPES registry weekly; last sync: August 16, 2026.

About Mary Sirois Lsw NPPES

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

MARY SIROIS LSW (NPI 1285550871) is an individual social worker in Chicago, Illinois, licensed in Illinois (150.129410) and active in the NPI registry since June 2026.

NPPES Registry Identity

NPI1285550871
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameMARY SIROISCredential: LSW
Location Address4854 W IRVING PARK RDChicago, IL 60641-2718
Mailing Address4943 W Belle Plaine Ave Apt 2aChicago, IL 60641-1767
Sole ProprietorNo
Enumeration DateJune 26, 2026
NPPES CertifiedJune 26, 2026
NPI 1285550871 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 · 150.129410
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.
4854 W IRVING PARK RD, Chicago, IL 60641

Other Providers at the Same Location NPPES 4

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

Social Worker
4854 W IRVING PARK RD
CHICAGO, IL 60641
Social Worker
4854 W IRVING PARK RD
CHICAGO, IL 60641
Social Worker
4854 W IRVING PARK RD
CHICAGO, IL 60641
Counselor (Mental Health)
4854 W IRVING PARK RD
CHICAGO, IL 60641

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 Mary Sirois's NPI number?

The NPI number for Mary Sirois is 1285550871. It was assigned to this individual provider in the NPPES registry on June 26, 2026.

Where is Mary Sirois located?

Mary Sirois practices at 4854 W Irving Park Rd, Chicago, IL 60641. The listed phone number is (773) 774-4444.

What is Mary Sirois'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 Mary Sirois was last updated on June 26, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 days 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.