Lauren Brenner, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

149.024126 Issued in IL

Practice address

1801 W Byron St
Chicago, IL 60613-2729

Phone

(773) 244-0700

NPI assigned

Jan 7, 2020

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 2

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

Practice roles

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Clinical Assist, LTD.

  • Clinical Child & Adolescent Psychologist
  • Chicago, IL
  • NPI 1518246255
  NPD (past)

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

{
    "created_epoch": "1578355200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1780012800000",
    "number": "1144860222",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1620 N MARSHFIELD AVE APT 2F",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606228716",
            "telephone_number": "224-688-2619"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1801 W BYRON ST",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606132729",
            "telephone_number": "773-244-0700"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "BRENNER",
        "first_name": "LAUREN",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-01-07",
        "last_updated": "2026-05-29",
        "certification_date": "2026-05-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "149.024126",
            "primary": true
        },
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "IL",
            "license": "150.103397",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Dana Brenneman, APRN
• Matthew Brenner-Jedwabnik, PA-C
• Alexander Brenner, MD
• Darren Michael Brenner, M.D.
• Deanna Brenner, LSW
• Mariaelana Brenner, MD
• Tamara Brenner
• Brent Brown, D.O LLC
• Brent E Agran, DDS, LLC
• Brent E Agran, DDS, LLC

• 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 May 29, 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.