Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Ms. Sandra Guadalupe Ascencio

Clinical Social Worker in Reseda, CA · enumerated 2008 · practices at Spectrum Dialysis.

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

National Provider Identifier

1770731390

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Registry record

Entity type Individual (Type 1)

Name Ms. Sandra Guadalupe Ascencio

Sex Female

Practice address Reseda, CA, 91335

Phone (818) 758-1200

Enumeration date Sep 8, 2008

Last updated in NPPES Dec 6, 2021

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License ASW26105 (CA) Secondary

1041S0200X School Social Worker Behavioral Health & Social Service Providers Secondary

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License LCSW60069 (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 Sandra Ascencio?

The National Provider Identifier (NPI) for Sandra Ascencio is 1770731390, a Type 1 (individual) record in the CMS NPPES registry.

Where does Sandra Ascencio practice?

The practice location on file with NPPES is in Reseda, 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 2021-12-06.