1. Home
  2. Directory
  3. California
  4. Tustin
  5. Social Worker
  6. NPI Profile

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

Active since November 01, 2017PECOS Enrolled
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: October 25, 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. She is enrolled in Medicare PECOS and is a graduate of Other (2023).

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
Medical School CMSOtherGraduated 2023
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
Open in Google Maps ↗

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Natalie Sigala Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

PECOS PAC ID5294293874
PECOS Enrollment IDI20260813003828
Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Natalie Sigala reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Families Together Of Orange County
1.0 mi
Clinic/Center
661 W 1ST ST, STE. G
Tustin, CA 92780
  • Reassigned Medicare billing, California enrollment
  • 86 clinicians in this Medicare group
NPI 1194122457 (714) 665-9890

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 92780 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

Is Natalie Sigala enrolled in Medicare?

Yes. Natalie Sigala is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Natalie Sigala's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Natalie Sigala reassigns Medicare benefits to Families Together Of Orange County (Tustin, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Natalie Sigala's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

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 3 months 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.