Catherine O'Sullivan, MSW, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

2014043839 Issued in MO

Practice address

1001 Lynch St
Saint Louis, MO 63118-1818

Phone

(314) 535-5600

NPI assigned

Jan 12, 2017

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

Enrolled in MO

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, 2008

Medicare assignment

May accept Medicare assignment

Practice addresses (Care Compare)

Medicare enrollment (NPD)

Enrolled

State licenses

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.

• Places for People, Inc.

  • Adult Mental Health Clinic/Center
  • Saint Louis, MO
  • NPI 1073637377
  Medicare reassignment

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

{
    "created_epoch": "1484179200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1785283200000",
    "number": "1184160285",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 844715",
            "city": "KANSAS CITY",
            "state": "MO",
            "postal_code": "641844715",
            "telephone_number": "417-761-5000",
            "fax_number": "417-761-5631"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1001 LYNCH ST",
            "city": "SAINT LOUIS",
            "state": "MO",
            "postal_code": "631181818",
            "telephone_number": "314-535-5600"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "O'SULLIVAN",
        "first_name": "CATHERINE",
        "credential": "MSW, LCSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2017-01-12",
        "last_updated": "2026-07-29",
        "certification_date": "2026-07-29",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MO",
            "license": "2014043839",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Emily Paige O'Neill, OTR/L
• Maria Louise O'Neill, M.D.
• Andrea Darcy O'Riordan
• Brendan Michael O'Saben, PHARM. D
• Pamela O'Steen, AA-S
• Christopher O'Sullivan
• Kayla R O'Toole, MD
• Madison Taylor O'Toole, ACNP
• Oak Park Healthcare LLC
• Oak Street Health Physicians Group of Missouri, LLC

• Clinical Social Worker in Saint Louis, MO
• Providers in Saint Louis, MO by specialty
• Clinical Social Worker in Missouri

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 29, 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.