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Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 30 days.

MS. ARLENE MAZAK LMFT
NPI 1740285790
Marriage & Family Therapist in Fountain Valley, CA

Active since June 16, 2005
10101 SLATER AVE, STE 237, FOUNTAIN VALLEY, CA 92708(714) 968-4202(714) 968-4302 Get Directions Write a Review

NPPES record last updated: July 13, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Ms. Arlene Mazak Lmft NPPES

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

MS. ARLENE MAZAK LMFT (NPI 1740285790) is an individual marriage & family therapist in Fountain Valley, California, licensed in California (MFC37403) and active in the NPI registry since June 2005.

NPPES Registry Identity

NPI1740285790
Entity TypeIndividualFemale
Primary Taxonomy106H00000X
Provider Legal NameMS. ARLENE MAZAKCredential: LMFT
Location Address10101 SLATER AVE, STE 237Fountain Valley, CA 92708-4723
Mailing Address10101 Slater Ave, Ste 237Fountain Valley, CA 92708-4723 · (714) 968-4202 · Fax (714) 968-4302
Phone(714) 968-4202
Fax(714) 968-4302
Sole ProprietorNo
Enumeration DateJune 16, 2005
Last NPPES UpdateJuly 13, 2026
✔ NPI 1740285790 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 · MFC37403
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.
10101 SLATER AVE, Fountain Valley, CA 92708
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Other Providers at the Same Location NPPES 20

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

DR. STANLEY JAY SILVERSTEIN PH.D.
Psychologist (Cognitive & Behavioral)
10101 SLATER AVE, SUITE 237
FOUNTAIN VALLEY, CA 92708
Orange County (714) 293-4857
MS. RACHEL J GATES
Counselor (Mental Health)
10101 SLATER AVE, SUITE 241
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
VIOLETA AMANDA MEJIA
Counselor (Mental Health)
10101 SLATER AVE, SUITE 241
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
MAURIE EDELMAN
Psychologist (Clinical)
10101 SLATER AVE, SUITE 241
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
SHARON GARRETT MFT
Counselor (Mental Health)
10101 SLATER AVE, SUITE 205
FOUNTAIN VALLEY, CA 92708
Orange County (714) 899-4005
HIS PASSION, INC.
In Home Supportive Care
10101 SLATER AVE, SUITE 203B
FOUNTAIN VALLEY, CA 92708
Orange County (714) 593-1177
SARAH TRAN M.S.
Marriage & Family Therapist
10101 SLATER AVE, #241
FOUNTAIN VALLEY, CA 92708
Orange County (714) 637-8262
MS. JULIA ANNE ROTINO B.S.
Counselor (Mental Health)
10101 SLATER AVE, SUITE 241
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620

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 Arlene Mazak's NPI number?

The NPI number for Arlene Mazak is 1740285790. It was assigned to this individual provider in the NPPES registry on June 16, 2005.

Where is Arlene Mazak located?

Arlene Mazak practices at 10101 Slater Ave Ste 237, Fountain Valley, CA 92708. The listed phone number is (714) 968-4202.

What is Arlene Mazak'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 Arlene Mazak was last updated on July 13, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 23 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.