Footholds Therapy Group PLLC

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Legal business name

FOOTHOLDS THERAPY GROUP PLLC

Practice address

333 W North Ave # 386
Chicago, IL 60610-1293

Phone

(872) 205-9757

NPI assigned

Feb 6, 2026

Organization subpart

No

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

Authorized official

Name

Mr. Nathan FlessnerNPI 1619688603

Title

Owner

Phone

(872) 205-9757

Specialties & licenses 1

Addresses

Locations

Practitioners 1

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

• Nathan William Flessner, LCSW

  • Clinical Social Worker
  • Chicago, IL
  • NPI 1619688603
  NPD Authorized official

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

{
    "created_epoch": "1770336000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1770336000000",
    "number": "1790636611",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "333 W NORTH AVE # 386",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606101293"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "333 W NORTH AVE # 386",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606101293",
            "telephone_number": "872-205-9757"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "FOOTHOLDS THERAPY GROUP PLLC",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-02-06",
        "last_updated": "2026-02-06",
        "certification_date": "2026-02-06",
        "status": "A",
        "authorized_official_last_name": "FLESSNER",
        "authorized_official_first_name": "NATHAN",
        "authorized_official_title_or_position": "OWNER",
        "authorized_official_telephone_number": "872-205-9757",
        "authorized_official_name_prefix": "Mr."
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Social Worker, Clinical",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

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• Clinical Social Worker in Chicago, IL
• Providers in Chicago, IL by specialty
• Clinical Social Worker in Illinois

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Feb 6, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.