Itzel A Martinez Castillo, APSW

Primary specialty

Social WorkerTaxonomy code 104100000X

License

136124 Issued in WI

Practice address

2202 S Park St
Madison, WI 53713-1916

Phone

(608) 443-5480

NPI assigned

Jul 28, 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

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

{
    "created_epoch": "1785196800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1788220800000",
    "number": "1851213128",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "7974 UW HEALTH CT",
            "city": "MIDDLETON",
            "state": "WI",
            "postal_code": "535625531"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "2202 S PARK ST",
            "city": "MADISON",
            "state": "WI",
            "postal_code": "537131916",
            "telephone_number": "608-443-5480"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "MARTINEZ CASTILLO",
        "first_name": "ITZEL",
        "middle_name": "A",
        "credential": "APSW",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-07-28",
        "last_updated": "2026-09-01",
        "certification_date": "2026-09-01",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "104100000X",
            "taxonomy_group": "",
            "desc": "Social Worker",
            "state": "WI",
            "license": "136124",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Richard Dane Martin, OD
• Sarah Martin, CFY-SLP
• Scott Hector Martin
• Shannon M. Martin
• Shana R Martindale, LCSW
• Jaime Luis Martinez Santos, M.D.
• Bethsaida Martinez
• Dalia Martinez, RBT
• Debra Alicia Martinez, P.C.
• Johnathan Martinez, LPC-IT, MS

• Social Worker in Madison, WI
• Providers in Madison, WI by specialty
• Social Worker in Wisconsin

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 1, 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.