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JENNIFER ARREGUIN
NPI 1548199276
Social Worker in Fountain Valley, CA

Active since May 18, 2026
18350 MOUNT LANGLEY ST STE 220, FOUNTAIN VALLEY, CA 92708(714) 378-2620 Get Directions Write a Review

NPPES record last updated: June 11, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Jennifer Arreguin NPPES

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

JENNIFER ARREGUIN (NPI 1548199276) is an individual social worker in Fountain Valley, California, licensed in California (136372) and active in the NPI registry since May 2026.

NPPES Registry Identity

NPI1548199276
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameJENNIFER ARREGUIN
Location Address18350 MOUNT LANGLEY ST STE 220Fountain Valley, CA 92708-6912
Mailing Address18350 Mount Langley St Ste 220Fountain Valley, CA 92708-6912 · (714) 378-2620
Phone(714) 378-2620
Sole ProprietorNo
Enumeration DateMay 18, 2026
Last NPPES UpdateJune 11, 2026
NPPES CertifiedJune 11, 2026
✔ NPI 1548199276 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 · 136372
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.
18350 MOUNT LANGLEY ST STE 220, 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.

MONICA CASTRO
Student in an Organized Health Care Education/Training Program
18350 MOUNT LANGLEY ST STE 220
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
ARIANA FLORES RIVERA LMFT
Marriage & Family Therapist
18350 MOUNT LANGLEY ST STE 220
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
GUADALUPE LISET GALLEGOS MSW
Social Worker (Clinical)
18350 MOUNT LANGLEY ST STE 220
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
BREANNA COMEY
Marriage & Family Therapist
18350 MOUNT LANGLEY ST STE 220
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
RACHELLE COLEMAN
Social Worker (Clinical)
18350 MOUNT LANGLEY ST STE 220
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
PETER HAI NGUYEN ACSW
Counselor (Mental Health)
18350 MOUNT LANGLEY ST STE 220
FOUNTAIN VALLEY, CA 92708
Orange County (714) 378-2620
FRITZI WASHINGTON
Counselor (Mental Health)
18350 MOUNT LANGLEY ST STE 220
FOUNTAIN VALLEY, CA 92708
Orange County (714) 450-4117
MAHA MANSWER
Marriage & Family Therapist
18350 MOUNT LANGLEY ST STE 220
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 Jennifer Arreguin's NPI number?

The NPI number for Jennifer Arreguin is 1548199276. It was assigned to this individual provider in the NPPES registry on May 18, 2026.

Where is Jennifer Arreguin located?

Jennifer Arreguin practices at 18350 Mount Langley St Ste 220, Fountain Valley, CA 92708. The listed phone number is (714) 378-2620.

What is Jennifer Arreguin'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 Jennifer Arreguin was last updated on June 11, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 55 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.