Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Vivien Wing-Han Wong, LCSW

Social Worker in Sacramento, CA · enumerated 2007.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1871782656

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Registry record

Entity type Individual (Type 1)

Name Ms. Vivien Wing-Han Wong

Credential LCSW

Sex Female

Practice address 855 Howe Ave, Sacramento, CA, 95825

Phone (844) 664-2248

Enumeration date Oct 17, 2007

Last updated in NPPES Sep 29, 2026

Taxonomy & licenses

104100000X Social Worker Behavioral Health & Social Service Providers · License LCSW132292 (CA) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW credential

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Vivien Wong?

Vivien Wong is registered in NPPES with the primary taxonomy of Social Worker. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-09-29.