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NATALIE MARROQUIN
NPI 1386514438
Social Worker in Santa Ana, CA

Active since November 05, 2025
3631 S HARBOR BLVD STE 200, SANTA ANA, CA 92704(657) 356-6490 Get Directions Write a Review

NPPES record last updated: December 2, 2025. Verified against the NPPES registry weekly; last sync: August 02, 2026.

Record update history: Dec 2, 2025, Nov 5, 2025 (2 updates tracked since 2025).

About Natalie Marroquin NPPES

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

NATALIE MARROQUIN (NPI 1386514438) is an individual social worker in Santa Ana, California, licensed in California (134381) and active in the NPI registry since November 2025. She maintains a secondary practice location in Fontana.

NPPES Registry Identity

NPI1386514438
Entity TypeIndividualFemale
Primary Taxonomy104100000X
Provider Legal NameNATALIE MARROQUIN
Location Address3631 S HARBOR BLVD STE 200Santa Ana, CA 92704-7936
Mailing Address3631 S Harbor Blvd Ste 200Santa Ana, CA 92704-7936
Phone(657) 356-6490
Sole ProprietorYes
Enumeration DateNovember 5, 2025
Last NPPES UpdateDecember 2, 20252 updates tracked since enumeration
NPPES CertifiedDecember 2, 2025
✔ NPI 1386514438 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 · 134381
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.
3631 S HARBOR BLVD STE 200, Santa Ana, CA 92704
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Secondary Practice Location 1

Location 114677 Merrill AveFontana, CA 92335-4219 · Phone (951) 643-2340

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.

LYNN M KLEIST LCSW
Social Worker (Clinical)
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6687
DENISSE SUSANA ALBA
Peer Specialist
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6490
KIMBERLY ANN JACOBO
Marriage & Family Therapist
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6490
ROBERTO RODRIGUEZ OCAMPO
Social Worker (Clinical)
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6490
MARIA ISABEL PEREZ
Marriage & Family Therapist
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6490
MR. CHRISTIAN RODOLFO AVILA LCSW
Social Worker (Clinical)
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6490
MR. ARGENIS ALBERTO MENDOZA PMHNP-BC
Nurse Practitioner
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6490
NICOLE LOUISE PAYNE LMFT
Marriage & Family Therapist
3631 S HARBOR BLVD STE 200
SANTA ANA, CA 92704
Orange County (657) 356-6490

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 Natalie Marroquin's NPI number?

The NPI number for Natalie Marroquin is 1386514438. It was assigned to this individual provider in the NPPES registry on November 5, 2025.

Where is Natalie Marroquin located?

Natalie Marroquin practices at 3631 S Harbor Blvd Ste 200, Santa Ana, CA 92704. The listed phone number is (657) 356-6490.

What is Natalie Marroquin'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 Natalie Marroquin was last updated on December 2, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 8 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.