Robert Sean Castle

Primary specialty

Addiction (Substance Use Disorder) CounselorTaxonomy code 101YA0400X

License

R1547870224 Issued in CA

Practice address

18950 Mount Walton Cir
Fountain Valley, CA 92708-7320

Phone

(714) 316-9578

NPI assigned

May 29, 2025

Sex

Male

Sole proprietor

Yes

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

State licenses

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

{
    "created_epoch": "1748476800000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1748476800000",
    "number": "1821981945",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "18950 MOUNT WALTON CIR",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927087320",
            "telephone_number": "714-316-9578"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "18950 MOUNT WALTON CIR",
            "city": "FOUNTAIN VALLEY",
            "state": "CA",
            "postal_code": "927087320",
            "telephone_number": "714-316-9578"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "CASTLE",
        "first_name": "ROBERT",
        "middle_name": "SEAN",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2025-05-29",
        "last_updated": "2025-05-29",
        "certification_date": "2025-05-28",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "101YA0400X",
            "taxonomy_group": "",
            "desc": "Counselor, Addiction (Substance Use Disorder)",
            "state": "CA",
            "license": "R1547870224",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Cathy A Castagna-Petersen, MS,LMFT
• Christina Marie Castaneda
• Denise Gastelum Castellanos
• Jaymee Castillo, PA-C
• Katelyn Castillo
• Mayerling Castro
• Monica Castro
• Glen Robert Cauble, D.C.
• Andrew A Ceavatta, M.D.
• Center for Advanced Orthopedics and Sports Medicine Inc.

• Addiction (Substance Use Disorder) Counselor in Fountain Valley, CA
• Providers in Fountain Valley, CA by specialty
• Addiction (Substance Use Disorder) Counselor in California

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