Jay Callahan, PHD, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

Practice address

55 E Washington St
Suite 2801
Chicago, IL 60602-2103

Phone

(312) 372-4823

Fax

(312) 372-4822

NPI assigned

Apr 13, 2006

Last updated

Jul 13, 2026By the provider in NPPES

Sex

Male

Sole proprietor

No

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

Specialties & licenses 1

Addresses

Medicare fee-for-service enrollment

Enrolled in IL

Eligible to order & refer

• Part B services: Yes
• Medical equipment: Yes
• Home health: No
• Power mobility devices: No
• Hospice: No

Green means eligible to order or refer.

Enrollment records 1

Specialty

Clinical Social Worker

Education

Other, 1993

Medicare assignment

Accepts the Medicare-approved amount as payment in full

Telehealth

Offers telehealth services

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

Credentials

Doctor of Philosophy

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, National Provider Directory roles and organizations whose NPPES authorized official is this provider.

• CL Psychotherapy Services

  • Clinical Psychologist
  • Chicago, IL
  • NPI 1073835815
  NPD (past)

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

{
    "created_epoch": "1144886400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783900800000",
    "number": "1093779498",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "55 E WASHINGTON ST",
            "address_2": "SUITE 2801",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606022103",
            "telephone_number": "312-372-4823",
            "fax_number": "312-372-4822"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "55 E WASHINGTON ST",
            "address_2": "SUITE 2801",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606022103",
            "telephone_number": "312-372-4823",
            "fax_number": "312-372-4822"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CALLAHAN",
        "first_name": "JAY",
        "name_prefix": "Dr.",
        "credential": "PHD, LCSW",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2006-04-13",
        "last_updated": "2026-07-13",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kathleen Marie Callaghan, DPT
• Mary Eileen Callaghan, APRN, CNS
• Ann Callahan
• Catherine Ann Coffey Callahan, M.S., CCC-SLP
• Connor Callahan
• Maria Callahan, OTR/L
• Miles Callahan
• Nicholas Callahan, MPH DMD MD
• Samantha M Callahan, DPT
• Emma Louise Callamaro

• 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 Jul 13, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
• Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments; Order and Referring.
• Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.