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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NATALIE SIGALA LCSW
NPI 1972015733
Social Worker - Clinical in Tustin, CA

Active since November 01, 2017
621 W 1ST ST, TUSTIN, CA 92780(714) 665-9890(714) 665-9891 Get Directions Write a Review

NPPES record last updated: July 28, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jul 28, 2026, Mar 10, 2026, Nov 1, 2017 (3 updates tracked since 2017).

About Natalie Sigala Lcsw NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATALIE SIGALA LCSW (NPI 1972015733) is an individual clinical provider in Tustin, California, licensed in California (LCSW140789) and active in the NPI registry since November 2017.

NPPES Registry Identity

NPI1972015733
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameNATALIE SIGALACredential: LCSW
Location Address621 W 1ST STTustin, CA 92780-2950
Mailing Address661 W 1st St Ste GTustin, CA 92780-2939 · (714) 665-9890 · Fax (714) 665-9891
Phone(714) 665-9890
Fax(714) 665-9891
Sole ProprietorNo
Enumeration DateNovember 1, 2017
Last NPPES UpdateJuly 28, 20263 updates tracked since enumeration
NPPES CertifiedJuly 28, 2026
✔ NPI 1972015733 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCSW140789
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
621 W 1ST ST, Tustin, CA 92780
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Other Providers at the Same Location NPPES 19

Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.

LESLIE ESPINOZA LCSW
Social Worker (Clinical)
621 W 1ST ST
TUSTIN, CA 92780
Orange County (714) 665-9890
CHRISTINA THAO MI DINH ASW
Social Worker
621 W 1ST ST
TUSTIN, CA 92780
Orange County (800) 597-7977
MISS CELESTE VICENTE ASW
Social Worker
621 W 1ST ST
TUSTIN, CA 92780
Orange County (714) 665-9890
MARY SUSANNA SOLIMAN LCSW
Social Worker (Clinical)
621 W 1ST ST
TUSTIN, CA 92780
Orange County (714) 665-9890
VANESSA ROSE HERNANDEZ LMFT
Marriage & Family Therapist
621 W 1ST ST
TUSTIN, CA 92780
Orange County (714) 665-9890
YVETTE JARAMILLO VISCONTE LCSW
Social Worker (Clinical)
621 W 1ST ST
TUSTIN, CA 92780
Orange County (714) 665-9890
STEPHANIE PADILLA ASW
Social Worker
621 W 1ST ST
TUSTIN, CA 92780
Orange County (714) 665-9890
GEORGETH SANCHEZ HELGUERO LCSW
Social Worker (Clinical)
621 W 1ST ST
TUSTIN, CA 92780
Orange County (714) 665-9890

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is Natalie Sigala's NPI number?

The NPI number for Natalie Sigala is 1972015733. It was assigned to this individual provider in the NPPES registry on November 1, 2017.

Where is Natalie Sigala located?

Natalie Sigala practices at 621 W 1st St, Tustin, CA 92780. The listed phone number is (714) 665-9890.

What is Natalie Sigala's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

When was this NPI record last updated?

The NPPES record for Natalie Sigala was last updated on July 28, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.