Individual provider Active NPI

William Hui

  • Behavior Technician
  • Walnut Creek, CA
National Provider Identifier
1851204622
Registry record updated Sep 23, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Behavior TechnicianTaxonomy code 106S00000X
Practice address
130 La Casa Via Ste 212
Walnut Creek, CA 94598-3041
Phone
(925) 307-9145
NPI assigned
Sep 23, 2026
Sex
Male
Sole proprietor
No

NPPES NPI Registry

Updated by the provider on Sep 23, 2026

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

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Behavior Technician 106S00000X Primary

Addresses

Primary practice location

130 La Casa Via Ste 212
Walnut Creek, CA 94598-3041

Mailing address

1399 Ygnacio Valley Rd Ste 210B
Walnut Creek, CA 94598-2860

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Not listed in the public Medicare enrollment file

NPI Registry JSON

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

{
    "created_epoch": "1790121600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1790121600000",
    "number": "1851204622",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1399 YGNACIO VALLEY RD STE 210B",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945982860"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "130 LA CASA VIA STE 212",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945983041",
            "telephone_number": "925-307-9145"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "last_name": "HUI",
        "first_name": "WILLIAM",
        "sole_proprietor": "NO",
        "sex": "M",
        "enumeration_date": "2026-09-23",
        "last_updated": "2026-09-23",
        "certification_date": "2026-09-23",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "106S00000X",
            "taxonomy_group": "",
            "desc": "Behavior Technician",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Walnut Creek, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 23, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.