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

ADRIANA NIIZAWA LMFT
NPI 1346549375
Marriage & Family Therapist in Costa Mesa, CA

Active since March 16, 2011
3420 BRISTOL ST STE 600, COSTA MESA, CA 92626(949) 866-5493 Get Directions Write a Review

NPPES record last updated: July 8, 2026. Verified against the NPPES registry weekly; last sync: August 09, 2026.

Record update history: Jul 8, 2026, Jul 24, 2023, Oct 5, 2022 and 1 more (4 updates tracked since 2021).

About Adriana Niizawa Lmft NPPES

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

ADRIANA NIIZAWA LMFT (NPI 1346549375) is an individual marriage & family therapist in Costa Mesa, California, licensed in California (89887) and active in the NPI registry since March 2011. She maintains a secondary practice location in Santa Ana.

NPPES Registry Identity

NPI1346549375
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameADRIANA NIIZAWACredential: LMFT
Location Address3420 BRISTOL ST STE 600Costa Mesa, CA 92626-7133
Mailing Address1932 E Deere Ave Ste 240Santa Ana, CA 92705-5716 · (714) 543-4333
Sole ProprietorYes
Enumeration DateMarch 16, 2011
Last NPPES UpdateJuly 8, 20264 updates tracked since enumeration
NPPES CertifiedJuly 8, 2026
NPI 1346549375 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyMarriage & Family TherapistBehavioral Health & Social Service Providers
Taxonomy Code106H00000X
License Licensed in CA · 89887
Definition
A marriage and family therapist is a person with a master's degree in marriage and family therapy, or a master's or doctoral degree in a related mental health field with substantially equivalent coursework in marriage and family therapy, who receives supervised clinical experience, or a person who meets the state requirements to practice as a marriage and family therapist. A marriage and family therapist treats mental and emotional disorders within the context of marriage and family systems. A marriage and family therapist provides mental health and counseling services to individuals, couples, families, and groups.
3420 BRISTOL ST STE 600, Costa Mesa, CA 92626

Secondary Practice Location 1

Location 11932 E Deere Ave Ste 240Santa Ana, CA 92705-5716 · Phone (714) 543-4333

Other Providers at the Same Location NPPES

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

Marriage & Family Therapist
3420 BRISTOL ST STE 600
COSTA MESA, CA 92626

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 Adriana Niizawa's NPI number?

The NPI number for Adriana Niizawa is 1346549375. It was assigned to this individual provider in the NPPES registry on March 16, 2011.

Where is Adriana Niizawa located?

Adriana Niizawa practices at 3420 Bristol St Ste 600, Costa Mesa, CA 92626. The listed phone number is (949) 866-5493.

What is Adriana Niizawa's specialty?

The primary specialty registered for this NPI is Marriage & Family Therapist with taxonomy code 106H00000X.

When was this NPI record last updated?

The NPPES record for Adriana Niizawa was last updated on July 8, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 35 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.