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MARITZA MARTIN DEL RIO LCSW
NPI 1669831830
Social Worker - Clinical in Upland, CA

Active since February 17, 2016PECOS Enrolled
123 E 9TH ST STE 100-A, UPLAND, CA 91786(909) 992-8928 Get Directions Write a Review

NPPES record last updated: October 4, 2023. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Oct 4, 2023, Feb 17, 2016 (2 updates tracked since 2016).

About Maritza Martin Del Rio Lcsw NPPES

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

MARITZA MARTIN DEL RIO LCSW (NPI 1669831830) is an individual clinical provider in Upland, California, licensed in California (88296) and active in the NPI registry since February 2016. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1669831830
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameMARITZA MARTIN DEL RIOCredential: LCSW
Location Address123 E 9TH ST STE 100-AUpland, CA 91786-6023
Mailing AddressPo Box 1781Upland, CA 91785-1781 · (909) 992-8928
Phone(909) 992-8928
Sole ProprietorYes
Enumeration DateFebruary 17, 2016
Last NPPES UpdateOctober 4, 20232 updates tracked since enumeration
NPPES CertifiedOctober 4, 2023
✔ NPI 1669831830 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 · 88296
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.
123 E 9TH ST STE 100-A, Upland, CA 91786
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Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Maritza Martin Del Rio 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 Reassignment

Medicare enrollment records show Maritza Del Rio reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Grow Healthcare Group PC
327 mi
Mental Health
99 S ALMADEN BLVD STE 600
San Jose, CA 95113
  • Reassigned Medicare billing, California enrollment
  • 3,139 clinicians in this Medicare group
NPI 1154994846 (408) 402-4385

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 91786 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 $59.60 – $179.42
Typical copayment $0.00 (range $14.90 – $44.85)
Most-billed visit code NA
Established Patient
$74.08 typical visit price
range $19.37 – $146.42
Typical copayment $18.52 (range $4.84 – $36.60)
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.

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 Maritza Del Rio's NPI number?

The NPI number for Maritza Del Rio is 1669831830. It was assigned to this individual provider in the NPPES registry on February 17, 2016.

Where is Maritza Del Rio located?

Maritza Del Rio practices at 123 E 9th St Ste 100-A, Upland, CA 91786. The listed phone number is (909) 992-8928.

What is Maritza Del Rio's specialty?

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

Is Maritza Del Rio enrolled in Medicare?

Yes. Maritza Del Rio is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Maritza Del Rio's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Maritza Del Rio reassigns Medicare benefits to Grow Healthcare Group PC (San Jose, 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 Maritza Del Rio'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 Maritza Del Rio was last updated on October 4, 2023. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.