Amber N Castillo

Primary specialty

Peer SpecialistTaxonomy code 175T00000X

License

MPSS-QGEPFZ Issued in CA

Practice address

5740 Ralston St Ste 200
Ventura, CA 93003-6009

Phone

(805) 981-5470

NPI assigned

Jan 2, 2025

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 4

Addresses

Medicare fee-for-service enrollment

Not listed in the public Medicare enrollment file

Medicare enrollment (NPD)

Not enrolled

State licenses

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

{
    "created_epoch": "1735776000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1756080000000",
    "number": "1093524233",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "5740 RALSTON ST STE 200",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930036009",
            "telephone_number": "805-799-6239"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5740 RALSTON ST STE 200",
            "city": "VENTURA",
            "state": "CA",
            "postal_code": "930036009",
            "telephone_number": "805-981-5470"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTILLO",
        "first_name": "AMBER",
        "middle_name": "N",
        "name_prefix": "Ms.",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2025-01-02",
        "last_updated": "2025-08-25",
        "certification_date": "2025-08-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "172V00000X",
            "taxonomy_group": "",
            "desc": "Community Health Worker",
            "state": "CA",
            "license": null,
            "primary": false
        },
        {
            "code": "372600000X",
            "taxonomy_group": "",
            "desc": "Adult Companion",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "373H00000X",
            "taxonomy_group": "",
            "desc": "Day Training/Habilitation Specialist",
            "state": null,
            "license": null,
            "primary": false
        },
        {
            "code": "175T00000X",
            "taxonomy_group": "",
            "desc": "Peer Specialist",
            "state": "CA",
            "license": "MPSS-QGEPFZ",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Natalie Christine Castaneda, RN
• Alexa Marie Castellano, MD
• Briana Castellanos
• Diana Lynn Castellanos, ADV CST, LMT
• Lillian Castellon
• Ma Rowena Castillo, DPT
• Maria Castillo
• Laura Castro-Barreto
• Giselle Castro
• Priscilla Thalia Castro

• Peer Specialist in Ventura, CA
• Providers in Ventura, CA by specialty
• Peer Specialist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Aug 25, 2025; 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.