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

ASSEMBLAGE PSYCHOLOGICAL SERVICES, PLLC
NPI 1417852971
Psychologist - Clinical in Chicago, IL

Q: What is Assemblage Psychological Services, PLLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

Active since October 13, 2026

3323 W DIVERSEY AVE, CHICAGO, IL 60647(312) 248-3442 Get Directions Write a Review

NPPES record added: October 13, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

On this page

About Assemblage Psychological Services, Pllc NPPES

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

ASSEMBLAGE PSYCHOLOGICAL SERVICES, PLLC (NPI 1417852971) is a healthcare organization registered as a clinical in Chicago, Illinois and active in the NPI registry since October 2026. The organization lists Leslie K Poulos, Owner, as its authorized official.

NPPES Registry Identity

NPI1417852971

Entity TypeOrganization

Primary Taxonomy103TC0700X

Legal Business NameASSEMBLAGE PSYCHOLOGICAL SERVICES, PLLC

Location Address3323 W DIVERSEY AVEChicago, IL 60647-8582

Mailing Address7230 Olcott AveHammond, IN 46323-2044 · (312) 248-3442

Phone(312) 248-3442

Organization SubpartNo

Authorized OfficialLeslie K PoulosOwner · (312) 248-3442

Enumeration DateOctober 13, 2026

NPPES CertifiedOctober 13, 2026

✔ NPI 1417852971 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyPsychologist · ClinicalBehavioral Health & Social Service Providers

Taxonomy Code103TC0700X

Definition

A psychologist who provides continuing and comprehensive mental and behavioral health care for individuals and families; consultation to agencies and communities; training, education and supervision; and research-based practice. It is a specialty in breadth -- one that is broadly inclusive of severe psychopathology -- and marked by comprehensiveness and integration of knowledge and skill from a broad array of disciplines within and outside of psychology proper. The scope of clinical psychology encompasses all ages, multiple diversities and varied systems.

3323 W DIVERSEY AVE, Chicago, IL 60647

Open in Google Maps ↗

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 Assemblage Psychological Services, PLLC's NPI number?

The NPI number for Assemblage Psychological Services, PLLC is 1417852971. It was assigned to this organization in the NPPES registry on October 13, 2026.

Where is Assemblage Psychological Services, PLLC located?

Assemblage Psychological Services, PLLC is located at 3323 W Diversey Ave, Chicago, IL 60647. The listed phone number is (312) 248-3442.

What is Assemblage Psychological Services, PLLC's specialty?

The primary specialty registered for this NPI is Psychologist, specializing in Clinical, with taxonomy code 103TC0700X.

When was this NPI record last updated?

The NPPES record for Assemblage Psychological Services, PLLC was last updated on October 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 7 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.