Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Helen Ariz Casaclang, SOCIAL WOKER, CLINIC

Clinical Social Worker in Fairfield, CA · enumerated 2006.

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

National Provider Identifier

1659432516

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Registry record

Entity type Individual (Type 1)

Name Ms. Helen Ariz Casaclang

Credential SOCIAL WOKER, CLINIC

Sex Female

Practice address 675 Texas St, Fairfield, CA, 94533

Phone (707) 784-8038

Enumeration date Dec 13, 2006

Last updated in NPPES Jun 1, 2023

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW69021 (CA) Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 69021 (CA) Primary

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 is the NPI number for Helen Casaclang?

The National Provider Identifier (NPI) for Helen Casaclang is 1659432516, a Type 1 (individual) record in the CMS NPPES registry.

Where does Helen Casaclang practice?

The practice location on file with NPPES is in Fairfield, CA. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-06-01.