Radhika Katyal-Castillo, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

PSY26138 Issued in CA

Practice address

835 3Rd Ave Ste C
Chula Vista, CA 91911-1352

Phone

(619) 427-4661

NPI assigned

Apr 9, 2009

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

Electronic endpoints 1

Medicare fee-for-service enrollment

Enrolled in CA

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.

Enrollment records 1

Medicare enrollment (NPD)

Enrolled

State licenses

Practice roles

Locations

Interoperability endpoints

• FHIR API: https://api.platform.athenahealth.com/9357/brand/1/csg/1/fhir/r4

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

• Mellow Medical Inc a Professional Corporation

  • Psychiatry Physician
  • West Hollywood, CA
  • NPI 1407275886
  Medicare reassignment NPD
• Access Psychology Services PC

  • Psychologist
  • San Diego, CA
  • NPI 1558752931
  Medicare reassignment

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

{
    "created_epoch": "1239235200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1783555200000",
    "number": "1306089164",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "835 3RD AVE STE C",
            "city": "CHULA VISTA",
            "state": "CA",
            "postal_code": "919111352",
            "telephone_number": "619-427-4661"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "835 3RD AVE STE C",
            "city": "CHULA VISTA",
            "state": "CA",
            "postal_code": "919111352",
            "telephone_number": "619-427-4661"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "902 Euclid Ave",
            "address_purpose": "LOCATION",
            "city": "National City",
            "state": "CA",
            "postal_code": "919503808",
            "country_code": "US",
            "telephone_number": "619-722-0014",
            "fax_number": "619-327-4174",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "541 S V Ave",
            "address_purpose": "LOCATION",
            "city": "National City",
            "state": "CA",
            "postal_code": "919502828",
            "country_code": "US",
            "telephone_number": "619-722-0014",
            "fax_number": "691-327-4174",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "1025 W 2nd Ave",
            "address_purpose": "LOCATION",
            "city": "Escondido",
            "state": "CA",
            "postal_code": "920253839",
            "country_code": "US",
            "telephone_number": "619-722-0014",
            "fax_number": "619-327-4174",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "address_1": "15615 Pomerado Rd",
            "address_purpose": "LOCATION",
            "city": "Poway",
            "state": "CA",
            "postal_code": "920642405",
            "country_code": "US",
            "telephone_number": "619-722-0014",
            "fax_number": "619-327-4174",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "KATYAL-CASTILLO",
        "first_name": "RADHIKA",
        "credential": "PSY.D.",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2009-04-09",
        "last_updated": "2026-07-09",
        "certification_date": "2026-07-09",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "PSY26138",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "URL",
            "affiliation": "N",
            "use": "DIRECT",
            "useDescription": "Direct",
            "contentType": "CSV",
            "contentTypeDescription": "CSV",
            "address_1": "2622 Escala Cir",
            "city": "San Diego",
            "state": "CA",
            "country_code": "US",
            "postal_code": "921086720",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

• Linda Karo
• Rayna Tovah Karoll, DMD
• Jordan R Karstens
• Jamil Kassam, PT, DPT
• Jennifer Christine Kastello
• Opinderveer Kaur, OTR/L
• KC Campbell MD a Medical Corporation
• Keddington & Kalra Optometrists Apc
• Nadia Keddo
• Nekisha Michelle Kee, MSW

• Clinical Psychologist in Chula Vista, CA
• Providers in Chula Vista, CA by specialty
• Clinical Psychologist in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jul 9, 2026; 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.