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CITLALITL SANTOS SHEPPARD LCSW
NPI 1366778508
Social Worker - Clinical in Tustin, CA

Active since October 22, 2009PECOS Enrolled
621 W 1ST ST, TUSTIN, CA 92780(714) 665-9890(714) 665-9891 Get Directions Write a Review

NPPES record last updated: June 9, 2026. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Feb 6, 2026, Dec 15, 2023, May 15, 2023 (3 updates tracked since 2023).

About Citlalitl Santos Sheppard Lcsw NPPES

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

CITLALITL SANTOS SHEPPARD LCSW (NPI 1366778508) is an individual clinical provider in Tustin, California, licensed in California (LCSW100122) and active in the NPI registry since October 2009. She is enrolled in Medicare PECOS and maintains 2 additional practice locations.

NPPES Registry Identity

NPI1366778508
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameCITLALITL SANTOS SHEPPARDCredential: LCSW
Location Address621 W 1ST STTustin, CA 92780-2950
Mailing Address621 W 1st StTustin, CA 92780-2950 · (714) 665-9890 · Fax (714) 665-9891
Phone(714) 665-9890
Fax(714) 665-9891
Sole ProprietorNo
Enumeration DateOctober 22, 2009
Last NPPES UpdateJune 9, 20263 updates tracked since enumeration
NPPES CertifiedJune 9, 2026
✔ NPI 1366778508 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 2

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCSW100122
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.
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
621 W 1ST ST, Tustin, CA 92780
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Secondary Practice Locations 2

Location 111180 Warner Ave Ste 353Fountain Valley, CA 92708-7516 · Phone (714) 968-6789 · Fax (714) 202-2626
Location 29918 Katella Ave Ste A-CAnaheim, CA 92804-6465 · Phone (714) 644-9494 · Fax (714) 644-9894

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Citlalitl Santos Sheppard Lcsw is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

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 Citlalitl Sheppard reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Families Together Of Orange County
Same address
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 Citlalitl Sheppard's NPI number?

The NPI number for Citlalitl Sheppard is 1366778508. It was assigned to this individual provider in the NPPES registry on October 22, 2009.

Where is Citlalitl Sheppard located?

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

What is Citlalitl Sheppard's specialty?

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

Is Citlalitl Sheppard enrolled in Medicare?

Yes. Citlalitl Sheppard is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Citlalitl Sheppard's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Citlalitl Sheppard 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 Citlalitl Sheppard'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 Citlalitl Sheppard was last updated on June 9, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.