Cristine D Chastain, LCSW

Primary specialty

Clinical Social WorkerTaxonomy code 1041C0700X

License

LCSW21618 Issued in CA

Practice address

23120 Alicia Pkwy
Suite 200
Mission Viejo, CA 92692-1210

Phone

(949) 235-2952

Fax

(801) 494-2952

NPI assigned

Oct 25, 2006

Last updated

Feb 25, 2025By the provider in NPPES

Sex

Female

Sole proprietor

Yes

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

Specialties & licenses 1

Addresses

Other names 1

• Cristine C O'Brien Former name

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": "1161734400000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1740441600000",
    "number": "1811072598",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "23120 ALICIA PKWY STE 236",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926921210",
            "telephone_number": "949-235-2952",
            "fax_number": "801-494-2952"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "23120 ALICIA PKWY",
            "address_2": "SUITE 200",
            "city": "MISSION VIEJO",
            "state": "CA",
            "postal_code": "926921210",
            "telephone_number": "949-235-2952",
            "fax_number": "801-494-2952"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CHASTAIN",
        "first_name": "CRISTINE",
        "middle_name": "D",
        "credential": "LCSW",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2006-10-25",
        "last_updated": "2025-02-25",
        "certification_date": "2025-02-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "1041C0700X",
            "taxonomy_group": "",
            "desc": "Social Worker, Clinical",
            "state": "CA",
            "license": "LCSW21618",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "first_name": "CRISTINE",
            "last_name": "O'BRIEN",
            "middle_name": "C",
            "credential": "LCSW",
            "code": "1",
            "type": "Former Name"
        }
    ]
}

• Jeremy Chang, MD
• John Chang, MD
• Sandra Y Chang, PHARMD
• Ilse Vanessa Chapa
• Cassidy Charette, RPH
• Rita Prado Chastain
• Chaudhri Center for Wellness (Blueprint Behavioral Health)
• Umara Chaudhry, CNM
• Om P Chaurasia, MD
• Melissa Nicole Chavez

• Clinical Social Worker in Mission Viejo, CA
• Providers in Mission Viejo, CA by specialty
• Clinical Social Worker in California

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