Arlene Mazak, LMFT
NPI 1740285790 · Marriage & Family Therapist · Fountain Valley, CA
Arlene Mazak, LMFT is a Marriage & Family Therapist provider in Fountain Valley, CA (NPI 1740285790).
Provider details
- NPI number
- 1740285790
- Entity type
- Individual
- Primary specialty
- Marriage & Family TherapistBehavioral Health & Social Service Providers
- Credential
- LMFT
- Sex
- Female
- License
- MFC37403 (CA)
Specialties & taxonomies
Behavioral Health & Social Service Providers
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
21 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2005-06-16
- Last updated
- 2007-07-08
Frequently asked questions
- What is Arlene Mazak's NPI number?
- Arlene Mazak's National Provider Identifier (NPI) is 1740285790, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Arlene Mazak's specialty?
- Arlene Mazak is listed in the NPPES registry with a primary specialty of Marriage & Family Therapist (Behavioral Health & Social Service Providers).
- Where is Arlene Mazak located?
- Arlene Mazak's practice location on file with NPPES is 10101 Slater Ave, Fountain Valley, CA 92708-4723.
- What is Arlene Mazak's phone number?
- The practice phone number listed in the NPPES registry for Arlene Mazak is (714) 968-4202.
- Is Arlene Mazak's NPI active?
- Yes — Arlene Mazak's NPI (1740285790) is active in the NPPES registry as of the last update on 2007-07-08.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.