Organization Active NPI

Assemblage Psychological Services, PLLC

  • Clinical Psychologist
  • Chicago, IL
National Provider Identifier
1417852971
Registry record updated Oct 13, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical PsychologistTaxonomy code 103TC0700X
Legal business name
ASSEMBLAGE PSYCHOLOGICAL SERVICES, PLLC
Practice address
3323 W Diversey Ave
Chicago, IL 60647-8582
Phone
(312) 248-3442
NPI assigned
Oct 13, 2026
Last updated
Oct 13, 2026By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Oct 13, 2026

Registry information is reported by the provider to CMS and is not verified. About this source

Authorized official

Name
Leslie K Poulos, PSYD
Title
Owner
Phone
(312) 248-3442

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Psychologist 103TC0700X NU Primary

Addresses

Primary practice location

3323 W Diversey Ave
Chicago, IL 60647-8582

Mailing address

7230 Olcott Ave
Hammond, IN 46323-2044
Phone (312) 248-3442

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1791849600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1791849600000",
    "number": "1417852971",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7230 OLCOTT AVE",
            "city": "HAMMOND",
            "state": "IN",
            "postal_code": "463232044",
            "telephone_number": "312-248-3442"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3323 W DIVERSEY AVE",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606478582",
            "telephone_number": "312-248-3442"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "ASSEMBLAGE PSYCHOLOGICAL SERVICES, PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-10-13",
        "last_updated": "2026-10-13",
        "certification_date": "2026-10-13",
        "status": "A",
        "authorized_official_last_name": "POULOS",
        "authorized_official_first_name": "LESLIE",
        "authorized_official_middle_name": "K",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "312-248-3442",
        "authorized_official_credential": "PSYD"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "NU",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Chicago, IL

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Oct 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.