Catherine Olczak, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

046299 Issued in NY

Practice address

12 Sundridge Dr
Amherst, NY 14228-1801

Phone

(716) 310-1518

NPI assigned

Feb 8, 2010

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 5

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

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.

Medicare enrollment (NPD)

Enrolled

State licenses

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

{
    "created_epoch": "1265587200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1741132800000",
    "number": "1801128467",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "12 SUNDRIDGE DR",
            "city": "AMHERST",
            "state": "NY",
            "postal_code": "142281801",
            "telephone_number": "716-310-1518"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "12 SUNDRIDGE DR",
            "city": "AMHERST",
            "state": "NY",
            "postal_code": "142281801",
            "telephone_number": "716-310-1518"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "OLCZAK",
        "first_name": "CATHERINE",
        "name_prefix": "Ms.",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2010-02-08",
        "last_updated": "2025-03-05",
        "certification_date": "2025-03-05",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "NY",
            "license": "046299",
            "primary": true
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "VA",
            "license": "0904010636",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "MD",
            "license": "26946",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "GA",
            "license": "CSW009123",
            "primary": false
        },
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "DC",
            "license": "LC50082283",
            "primary": false
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Matthew Odonnell, DPT
• Ofer Ziv, LCSW, PLLC
• Sandra Blessing Okengwu
• Kelly H Olaf, M.S. TSSLD
• Catherine Olczak, CCC-SLP
• Leanne Mary Oldenbrook
• Jessica Karen Olender, MA, CCC-SLP
• Samantha Anne Olewnik, PA-C
• Maria Lurdes Oliveira, MD
• Jessica Rose Olivieri, LMSW

• Clinical Social Worker in Amherst, NY
• Providers in Amherst, NY by specialty
• Clinical Social Worker in New York

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Mar 5, 2025; 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.
• National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.