Hollis Cheong Tsoi, PSY.D.

Primary specialty

Clinical PsychologistTaxonomy code 103TC0700X

License

30778 Issued in CA

Practice address

5838 Edison PL Ste 100
Carlsbad, CA 92008-5520

Phone

(626) 272-4967

NPI assigned

Jul 17, 2012

Last updated

Jul 21, 2025By the provider in NPPES

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)

Enrolled

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

{
    "created_epoch": "1342483200000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1753056000000",
    "number": "1588919377",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 2441",
            "city": "SAN GABRIEL",
            "state": "CA",
            "postal_code": "917782441",
            "telephone_number": "626-272-4967"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "5838 EDISON PL STE 100",
            "city": "CARLSBAD",
            "state": "CA",
            "postal_code": "920085520",
            "telephone_number": "626-272-4967"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSOI",
        "first_name": "HOLLIS",
        "middle_name": "CHEONG",
        "name_prefix": "Dr.",
        "credential": "PSY.D.",
        "sole_proprietor": "YES",
        "sex": "M",
        "enumeration_date": "2012-07-17",
        "last_updated": "2025-07-21",
        "certification_date": "2025-07-21",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "103TC0700X",
            "taxonomy_group": "",
            "desc": "Psychologist, Clinical",
            "state": "CA",
            "license": "30778",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Nicholas Thang-Vinh Truong
• Tsai Acupunture Group
• James Rujun Tsai, ACUPUNCTURIST
• Linh Nguy Tsai, D.D.S.
• Quinn R Tse, DACCHM
• Danielle Tuazon
• Laural Vander Kooy Tubbs, LCSW
• Anthony Tucker
• Rachel Tungol
• Chelsi B Turner

• Clinical Psychologist in Carlsbad, CA
• Providers in Carlsbad, 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 21, 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.