Organization Active NPI

Sierra Health and Wellness Centers LLC

  • Substance Use Disorder Rehabilitation Clinic/Center
  • Walnut Creek, CA
National Provider Identifier
1326959115
Registry record updated Sep 14, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Substance Use Disorder Rehabilitation Clinic/CenterTaxonomy code 261QR0405X
Legal business name
SIERRA HEALTH AND WELLNESS CENTERS LLC
Practice address
1425 Treat Blvd Unit Ab
Walnut Creek, CA 94597-2128
Phone
(866) 303-6275
Fax
(530) 430-3067
NPI assigned
Sep 14, 2026
Last updated
Sep 14, 2026By the provider in NPPES
Organization subpart
Yes
Parent organization
SIERRA HEALTH AND WELLNESS CENTERS LLCAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Sep 14, 2026

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

Authorized official

Name
Ms. Lien Thi Hoang
Title
Chief Revenue Officer
Phone
(702) 205-8232

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Substance Use Disorder Rehabilitation Clinic/Center 261QR0405X Primary

Addresses

Primary practice location

1425 Treat Blvd Unit Ab
Walnut Creek, CA 94597-2128

Mailing address

1425 Treat Blvd Unit Ab
Walnut Creek, CA 94597-2128
Phone (866) 303-6275

National Provider Directory

National Provider Directory
Tax ID family
Sierra Health and Wellness Centers15 organizations share this tax ID, including this one

Other organizations with this tax ID 14

Organizations that report the same tax identification number in the National Provider Directory.

View all 14

NPI Registry JSON

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

{
    "created_epoch": "1789344000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1789344000000",
    "number": "1326959115",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "1425 TREAT BLVD UNIT AB",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972128",
            "telephone_number": "866-303-6275",
            "fax_number": "530-430-3067"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1425 TREAT BLVD UNIT AB",
            "city": "WALNUT CREEK",
            "state": "CA",
            "postal_code": "945972128",
            "telephone_number": "866-303-6275",
            "fax_number": "530-430-3067"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SIERRA HEALTH AND WELLNESS CENTERS LLC",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "SIERRA HEALTH AND WELLNESS CENTERS LLC",
        "enumeration_date": "2026-09-14",
        "last_updated": "2026-09-14",
        "certification_date": "2026-09-13",
        "status": "A",
        "authorized_official_last_name": "HOANG",
        "authorized_official_first_name": "LIEN",
        "authorized_official_middle_name": "THI",
        "authorized_official_title_or_position": "CHIEF REVENUE OFFICER",
        "authorized_official_telephone_number": "702-205-8232",
        "authorized_official_name_prefix": "Ms."
    },
    "taxonomies": [
        {
            "code": "261QR0405X",
            "taxonomy_group": "",
            "desc": "Clinic/Center, Rehabilitation, Substance Use Disorder",
            "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 14, 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.