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

Crystal Walsh, LCSW

Clinical Social Worker in Rancho Santa Margarita, CA · enumerated 2018.

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

National Provider Identifier

1023580297

Verified

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Registry record

Entity type Individual (Type 1)

Name Crystal Walsh

Credential LCSW

Sex Female

Practice address Rancho Santa Margarita, CA, 92688

Phone (949) 874-7616

Enumeration date Dec 27, 2018

Last updated in NPPES Dec 27, 2018

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 86811 (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

Where does Crystal Walsh practice?

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

What is the NPI number for Crystal Walsh?

The National Provider Identifier (NPI) for Crystal Walsh is 1023580297, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2018-12-27.