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MARIELA NAVARRETTE
NPI 1033639836
Social Worker - Clinical in Santa Monica, CA

Active since June 22, 2017PECOS Enrolled
2701 OCEAN PARK BLVD STE 118, SANTA MONICA, CA 90405(310) 829-8917 Get Directions Write a Review

NPPES record last updated: March 30, 2021. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 30, 2021, Jul 8, 2020, May 12, 2020 and 2 more (5 updates tracked since 2017).

About Mariela Navarrette NPPES

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

MARIELA NAVARRETTE (NPI 1033639836) is an individual clinical provider in Santa Monica, California, licensed in California (95368) and active in the NPI registry since June 2017. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1033639836
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARIELA NAVARRETTE
Location Address2701 OCEAN PARK BLVD STE 118Santa Monica, CA 90405-5219
Mailing Address253 E Glenarm St Apt 2Pasadena, CA 91106-4249 · (213) 400-5145
Phone(310) 829-8917
Sole ProprietorYes
Enumeration DateJune 22, 2017
Last NPPES UpdateMarch 30, 20215 updates tracked since enumeration
NPPES CertifiedMarch 30, 2021
✔ NPI 1033639836 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · 95368
Definition
A social worker who holds a master's or doctoral degree in social work from an accredited school of social work in addition to at least two years of post-master's supervised experience in a clinical setting. The social worker must be licensed, certified, or registered at the clinical level in the jurisdiction of practice. A clinical social worker provides direct services, including interventions focused on interpersonal interactions, intrapsychic dynamics, and life management issues. Clinical social work services are based on bio-psychosocial perspectives. Services consist of assessment, diagnosis, treatment (including psychotherapy and counseling), client-centered advocacy, consultation, evaluation, and prevention of mental illness, emotional, or behavioral disturbances.
2701 OCEAN PARK BLVD STE 118, Santa Monica, CA 90405
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Other Names 1

Former Name (1)Mariela Castellanos

Medicare Participation & PECOS CMS

Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Mariela Navarrette is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Eligible to Order & Refer✔ Part B Labs & Imaging✔ Durable Medical Equipment– Home Health Agency– Power Mobility DevicesPer the CMS Ordering and Referring file. Eligibility means Medicare pays claims that this provider orders or refers for these categories.

Medicare Billing Reassignment

Medicare enrollment records show Mariela Navarrette reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Providence Saint Johns Medical Foundation
1.5 mi
Specialist
2121 SANTA MONICA BLVD
Santa Monica, CA 90404
  • Reassigned Medicare billing, California enrollment
  • 461 clinicians in this Medicare group
NPI 1770093734 (310) 582-7312

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Physician Visit Costs CMS claims · ZIP area

Typical Medicare office-visit costs in the 90405 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.

New Patient
$0.00 typical visit price
range $62.96 – $187.60
Typical copayment $0.00 (range $15.74 – $46.90)
Most-billed visit code NA
Established Patient
$77.96 typical visit price
range $20.84 – $153.61
Typical copayment $19.49 (range $5.21 – $38.40)
Most-billed visit code 99213
Amounts reflect what Medicare beneficiaries in this ZIP area are typically charged for office visits. Patients with other coverage should check their individual plans.

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.

STEFANIE GREENFIELD LCSW
Social Worker
2701 OCEAN PARK BLVD STE 118
SANTA MONICA, CA 90405
Los Angeles County (310) 829-8917
DR. STEPHANE GARCIA MD
Family Medicine
2701 OCEAN PARK BLVD STE 118
SANTA MONICA, CA 90405
Los Angeles County (310) 829-8917
DR. NORA PAULINA VASQUEZ MD
Family Medicine
2701 OCEAN PARK BLVD STE 118
SANTA MONICA, CA 90405
Los Angeles County (310) 829-8917
JOEL IVAN SARACHEK MD
Family Medicine
2701 OCEAN PARK BLVD STE 118
SANTA MONICA, CA 90405
Los Angeles County (310) 829-8917
DAINA ANN DANOVITCH MD
Family Medicine
2701 OCEAN PARK BLVD STE 118
SANTA MONICA, CA 90405
Los Angeles County (310) 829-8917
MARISSA ROSE SILVERMAN MSPH
Family Medicine
2701 OCEAN PARK BLVD STE 118
SANTA MONICA, CA 90405
Los Angeles County (310) 829-8917
DR. ALLISON PAIGE KENNEDY MD
Family Medicine
2701 OCEAN PARK BLVD STE 118
SANTA MONICA, CA 90405
Los Angeles County (310) 829-8917

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 Navarrette's NPI number?

The NPI number for Mariela Navarrette is 1033639836. It was assigned to this individual provider in the NPPES registry on June 22, 2017. The provider is also known as Mariela Castellanos.

Where is Mariela Navarrette located?

Mariela Navarrette practices at 2701 Ocean Park Blvd Ste 118, Santa Monica, CA 90405. The listed phone number is (310) 829-8917.

What is Mariela Navarrette's specialty?

The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.

Is Mariela Navarrette enrolled in Medicare?

Yes. Mariela Navarrette is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Mariela Navarrette's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Mariela Navarrette reassigns Medicare benefits to Providence Saint Johns Medical Foundation (Santa Monica, CA). The reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for Mariela Navarrette's services. Reassignment records can lag staffing changes; confirm current arrangements with the organization.

When was this NPI record last updated?

The NPPES record for Mariela Navarrette was last updated on March 30, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 5 years 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.