MRS. MARIELA CASTELLANO-ARREDONDO
NPI 1306705223
Counselor - School in San Marcos, CA

Active since January 16, 2026
255 PICO AVE STE 250, SAN MARCOS, CA 92069(760) 290-2512 Get Directions Write a Review

NPPES record last updated: January 16, 2026. Verified against the NPPES registry weekly; last sync: August 02, 2026.

About Mrs. Mariela Castellano-arredondo NPPES

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

MRS. MARIELA CASTELLANO-ARREDONDO (NPI 1306705223) is an individual school provider in San Marcos, California, licensed in California (230119541) and active in the NPI registry since January 2026.

NPPES Registry Identity

NPI1306705223
Entity TypeIndividualFemale
Primary Taxonomy101YS0200X
Provider Legal NameMRS. MARIELA CASTELLANO-ARREDONDO
Location Address255 PICO AVE STE 250San Marcos, CA 92069-3712
Mailing Address255 Pico Ave Ste 250San Marcos, CA 92069-3712
Sole ProprietorNo
Enumeration DateJanuary 16, 2026
NPPES CertifiedJanuary 16, 2026
NPI 1306705223 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

Primary SpecialtyCounselor · SchoolBehavioral Health & Social Service Providers
Taxonomy Code101YS0200X
License Licensed in CA · 230119541
255 PICO AVE STE 250, San Marcos, CA 92069

Other Providers at the Same Location NPPES 7

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

Registered Nurse (School)
255 PICO AVE STE 250
SAN MARCOS, CA 92069
Registered Nurse (School)
255 PICO AVE STE 250
SAN MARCOS, CA 92069
Counselor (School)
255 PICO AVE STE 250
SAN MARCOS, CA 92069
Health and Wellness Coach
255 PICO AVE STE 250
SAN MARCOS, CA 92069
Licensed Vocational Nurse
255 PICO AVE STE 250
SAN MARCOS, CA 92069
Health and Wellness Coach
255 PICO AVE STE 250
SAN MARCOS, CA 92069
Social Worker (School)
255 PICO AVE STE 250
SAN MARCOS, CA 92069

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 Mariela Castellano-arredondo's NPI number?

The NPI number for Mariela Castellano-arredondo is 1306705223. It was assigned to this individual provider in the NPPES registry on January 16, 2026.

Where is Mariela Castellano-arredondo located?

Mariela Castellano-arredondo practices at 255 Pico Ave Ste 250, San Marcos, CA 92069. The listed phone number is (760) 290-2512.

What is Mariela Castellano-arredondo's specialty?

The primary specialty registered for this NPI is Counselor, specializing in School, with taxonomy code 101YS0200X.

When was this NPI record last updated?

The NPPES record for Mariela Castellano-arredondo was last updated on January 16, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 6 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.