Colleen Anne O'Sullivan, LSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

150118375 Issued in IL

Practice address

10801 S Western Ave Ste 2B
Chicago, IL 60643-3223

Phone

(708) 586-7357

NPI assigned

Feb 25, 2026

Sex

Female

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

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.

• Mirjam Quinn and Associates, LTD

  • Clinical Psychologist
  • Chicago, IL
  • NPI 1730577685
  NPD (past)
• Valentin Berman MD PC

  • Psychiatry Physician
  • Evergreen Park, IL
  • NPI 1821122029
  NPD (past)

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

{
    "created_epoch": "1771977600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1771977600000",
    "number": "1659225530",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "2737 UNION ST",
            "city": "BLUE ISLAND",
            "state": "IL",
            "postal_code": "604061926",
            "telephone_number": "773-351-0519"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "10801 S WESTERN AVE STE 2B",
            "city": "CHICAGO",
            "state": "IL",
            "postal_code": "606433223",
            "telephone_number": "708-586-7357"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'SULLIVAN",
        "first_name": "COLLEEN",
        "middle_name": "ANNE",
        "credential": "LSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-02-25",
        "last_updated": "2026-02-25",
        "certification_date": "2026-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "IL",
            "license": "150118375",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kelsey O'Shea, LCSW
• Michele Sachiko O'Shea, M.D.
• Patrick Joseph O'Shea, MD
• Tara O'Shea
• Clare O'Sullivan
• Elizabeth O'Sullivan
• Kathleen Mary O'Sullivan
• Katie O'Sullivan
• Sean Anthony O'Sullivan, LCPC
• Cheryl O'Toole, PSY.D.

• 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 25, 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.