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GRACE TSAI
NPI 1053973388
Social Worker in Costa Mesa, CA

Active since July 08, 2019
940 S COAST DR STE 260, COSTA MESA, CA 92626(714) 907-2318 Get Directions Write a Review

NPPES record last updated: January 8, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Jan 8, 2026, Dec 5, 2023, Aug 28, 2020 and 1 more (4 updates tracked since 2019).

About Grace Tsai NPPES

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

GRACE TSAI (NPI 1053973388) is an individual social worker in Costa Mesa, California, licensed in California (119380) and active in the NPI registry since July 2019. She maintains 2 additional practice locations.

NPPES Registry Identity

NPI1053973388
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameGRACE TSAI
Location Address940 S COAST DR STE 260Costa Mesa, CA 92626-7719
Mailing Address940 S Coast Dr Ste 260Costa Mesa, CA 92626-7719
Phone(714) 907-2318
Sole ProprietorNo
Enumeration DateJuly 8, 2019
Last NPPES UpdateJanuary 8, 20264 updates tracked since enumeration
NPPES CertifiedJanuary 8, 2026
✔ NPI 1053973388 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial WorkerBehavioral Health & Social Service Providers
Taxonomy Code104100000X
License✔ Licensed in CA · 119380
Definition
A social worker is a person who is qualified by a Social Work degree, and licensed, certified or registered by the state as a social worker to practice within the scope of that license. A social worker provides assistance and counseling to clients and their families who are dealing with social, emotional and environmental problems. Social work services may be rendered to individuals, families, groups, and the public.
940 S COAST DR STE 260, Costa Mesa, CA 92626
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Secondary Practice Locations 2

Location 112966 Euclid St Ste 280Garden Grove, CA 92840-9202 · Phone (714) 823-4770
Location 217862 17th StTustin, CA 92780-2156 · Phone (714) 907-2318

Other Providers at the Same Location NPPES 12

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

JESSICA ROCHELLE GRIMMIUS
Marriage & Family Therapist
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4313
GABRIELA ALMEIDA ALVES APCC
Counselor
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4313
ALYSSA DE LOS SANTOS
Social Worker
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4313
EVELYN GALVAN
Student in an Organized Health Care Education/Training Program
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4313
OLIVIA CHARLOTTE WALKER
Marriage & Family Therapist
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4313
JENNIFER LIN ROEBUCK
Marriage & Family Therapist
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4313
VIRIDIANA MARTINEZ
Marriage & Family Therapist
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4323
ULYSSES HERNANDEZ
Marriage & Family Therapist
940 S COAST DR STE 260
COSTA MESA, CA 92626
Orange County (949) 524-4313

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 Grace Tsai's NPI number?

The NPI number for Grace Tsai is 1053973388. It was assigned to this individual provider in the NPPES registry on July 8, 2019.

Where is Grace Tsai located?

Grace Tsai practices at 940 S Coast Dr Ste 260, Costa Mesa, CA 92626. The listed phone number is (714) 907-2318.

What is Grace Tsai's specialty?

The primary specialty registered for this NPI is Social Worker with taxonomy code 104100000X.

When was this NPI record last updated?

The NPPES record for Grace Tsai was last updated on January 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.