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MARIA DEL ROSARIO ALVAREZ LCSW
NPI 1023596962
Social Worker - Clinical in Anaheim, CA

Active since August 02, 2018PECOS Enrolled
801 E KATELLA AVE, ANAHEIM, CA 92805(714) 633-6373 Get Directions Write a Review

NPPES record last updated: November 5, 2025. Verified against the NPPES registry weekly; last sync: October 18, 2026.

Record update history: Nov 5, 2025, Aug 23, 2021, Aug 4, 2021 and 5 more (8 updates tracked since 2018).

About Maria Del Rosario Alvarez Lcsw NPPES

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

MARIA DEL ROSARIO ALVAREZ LCSW (NPI 1023596962) is an individual clinical provider in Anaheim, California, licensed in California (102905) and active in the NPI registry since August 2018. She is enrolled in Medicare PECOS and maintains a secondary practice location in Anaheim.

NPPES Registry Identity

NPI1023596962
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARIA DEL ROSARIO ALVAREZCredential: LCSW
Location Address801 E KATELLA AVEAnaheim, CA 92805-6614
Mailing Address16222 Abbey StLa Puente, CA 91744-5405
Phone(714) 633-6373
Sole ProprietorNo
Enumeration DateAugust 2, 2018
Last NPPES UpdateNovember 5, 20258 updates tracked since enumeration
NPPES CertifiedNovember 5, 2025
✔ NPI 1023596962 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 · 102905
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.
801 E KATELLA AVE, Anaheim, CA 92805
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Secondary Practice Location 1

Location 12035 E Ball RdAnaheim, CA 92806-5159 · Phone (714) 517-6300

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maria Del Rosario Alvarez Lcsw 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 Reassignments

2

Medicare enrollment records show Maria Alvarez reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

County Of Orange
1.4 mi
Adolescent and Children Mental Health
301 THE CITY DR S, SUITE 2090
Orange, CA 92868
  • Reassigned Medicare billing, California enrollment
  • 119 clinicians in this Medicare group
NPI 1366589244 (714) 935-6363
Cyti Health PC
86 mi
Mental Health (Including Community Mental Health Center)
402 W BROADWAY STE 400
San Diego, CA 92101
  • Reassigned Medicare billing, California enrollment
  • 545 clinicians in this Medicare group
NPI 1679172290 (866) 478-3978

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 92805 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 17

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

SHARUTI DOLLY BHATIA
Nurse Practitioner (Family)
801 E KATELLA AVE
ANAHEIM, CA 92805
Orange County (714) 633-6373
YBELYNN CARANDANG ALAAN NP
Nurse Practitioner (Women's Health)
801 E KATELLA AVE
ANAHEIM, CA 92805
Orange County (714) 633-6373
MS. AMBER ALLYSEN GALLY PA-C
Physician Assistant
801 E KATELLA AVE
ANAHEIM, CA 92805
Orange County (714) 633-6373
BETHANY LAUREN PATRICK N.P.
Nurse Practitioner (Adult Health)
801 E KATELLA AVE
ANAHEIM, CA 92805
Orange County (602) 263-2220
MISS KATRINA ANTOINETTE DUARTE PA-C
Physician Assistant
801 E KATELLA AVE
ANAHEIM, CA 92805
Orange County (714) 633-6373
DR. TAMMINH THI DANG PHARMACIST
Pharmacist
801 E KATELLA AVE, SUITE 100
ANAHEIM, CA 92805
Orange County (714) 533-7400
CINTHYA NAYELI DE LA CRUZ CARDENAS PA-C
Clinic/Center (Family Planning, Non-Surgical)
801 E KATELLA AVE
ANAHEIM, CA 92805
Orange County (714) 633-6373
PIN HSIN CHEN
Nurse Practitioner (Family)
801 E KATELLA AVE
ANAHEIM, CA 92805
Orange County (714) 633-6373

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 Maria Alvarez's NPI number?

The NPI number for Maria Alvarez is 1023596962. It was assigned to this individual provider in the NPPES registry on August 2, 2018.

Where is Maria Alvarez located?

Maria Alvarez practices at 801 E Katella Ave, Anaheim, CA 92805. The listed phone number is (714) 633-6373.

What is Maria Alvarez's specialty?

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

Is Maria Alvarez enrolled in Medicare?

Yes. Maria Alvarez is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Maria Alvarez's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maria Alvarez reassigns Medicare benefits to 2 organizations: County Of Orange (Orange, CA) and Cyti Health PC (San Diego, CA). Each 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 Maria Alvarez'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 Maria Alvarez was last updated on November 5, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.