Catherine Tsai

Primary specialty

Behavior TechnicianTaxonomy code 106S00000X

License

46-1305562 Issued in CA

Practice address

39210 State St Ste 220
Fremont, CA 94538-1456

Phone

(408) 772-3775

NPI assigned

Jan 22, 2026

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

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": "1769040000000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1769040000000",
    "number": "1790634830",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "4269 COMET CIR",
            "city": "UNION CITY",
            "state": "CA",
            "postal_code": "945874025"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "39210 STATE ST STE 220",
            "city": "FREMONT",
            "state": "CA",
            "postal_code": "945381456",
            "telephone_number": "408-772-3775"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "TSAI",
        "first_name": "CATHERINE",
        "sole_proprietor": "NO",
        "sex": "F",
        "enumeration_date": "2026-01-22",
        "last_updated": "2026-01-22",
        "certification_date": "2026-01-22",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": "CA",
            "license": "46-1305562",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

• Kimberly Trujillo
• Ha T Truong, D.C.
• Thuy Loan Truong
• Tiffany Thuy Truong, O.D., F.I.A.O.M.C.
• Trinity Truong, PHARMD
• Jerry Tsai
• Tsung-Mei Tsai, L. AC.
• Vivian Tsai, M.D.
• Angela Tsang, MS COUNSELING, PPS
• Nally Lin Tsang, M.D.

• Behavior Technician in Fremont, CA
• Providers in Fremont, CA by specialty
• Behavior Technician in California

• NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Jan 22, 2026; 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.