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SAMANTHA RIVERA
NPI 1285395079
Social Worker - Clinical in Los Angeles, CA

Active since January 04, 2022PECOS Enrolled
300 UCLA MEDICAL PLZ STE 1200, LOS ANGELES, CA 90095(310) 825-9989(310) 267-1908 Get Directions Write a Review

NPPES record last updated: December 19, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Dec 19, 2025, Jan 6, 2022 (2 updates tracked since 2022).

About Samantha Rivera NPPES

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

SAMANTHA RIVERA (NPI 1285395079) is an individual clinical provider in Los Angeles, California, licensed in California (LCSW127445) and active in the NPI registry since January 2022. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2021).

NPPES Registry Identity

NPI1285395079
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameSAMANTHA RIVERA
Location Address300 UCLA MEDICAL PLZ STE 1200Los Angeles, CA 90095-6967
Mailing Address5767 W Century Blvd Ste 400Los Angeles, CA 90045-5631
Phone(310) 825-9989
Fax(310) 267-1908
Sole ProprietorNo
Medical School CMSOtherGraduated 2021
Enumeration DateJanuary 4, 2022
Last NPPES UpdateDecember 19, 20252 updates tracked since enumeration
NPPES CertifiedDecember 19, 2025
✔ NPI 1285395079 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses 3

★ Primary SpecialtySocial Worker · ClinicalBehavioral Health & Social Service Providers
Taxonomy Code1041C0700X
License✔ Licensed in CA · LCSW127445
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.
Also ListedCounselor · Mental HealthTaxonomy 101YM0800X
Also ListedCase Manager/Care CoordinatorTaxonomy 171M00000X
300 UCLA MEDICAL PLZ STE 1200, Los Angeles, CA 90095
Open in Google Maps ↗

Secondary Practice Locations 2

Location 1300 Ucla Medical Plz Ste 2200Los Angeles, CA 90095-8346 · Phone (310) 825-9989 · Fax (310) 267-1908
Location 2204 Hampton DrVenice, CA 90291-8633 · Phone (310) 396-6468

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

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

PECOS PAC ID3678065976
PECOS Enrollment IDI20251124003842
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 Samantha Rivera reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.

Uc Regents
Same address
Adult Development & Aging
300 MEDICAL PLAZA
Los Angeles, CA 90095
  • Reassigned Medicare billing, California enrollment
  • 221 clinicians in this Medicare group
NPI 1750368999 (310) 825-9989
Sud Specialty Group - Ca
304 mi
Addiction Medicine
4633 OLD IRONSIDES DR STE 304
Santa Clara, CA 95054
  • Reassigned Medicare billing, California enrollment
  • 1,607 clinicians in this Medicare group
NPI 1972138238 (323) 205-7088

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 90095 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 4

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

KYLEE JEAN ANDERSON LMFT
Marriage & Family Therapist
300 UCLA MEDICAL PLZ STE 1200
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9989
MIGUEL ANGEL SOLTERO LCSW
Social Worker (Clinical)
300 UCLA MEDICAL PLZ STE 1200
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9989
HUA CHAI MD, PHD
Psychiatry & Neurology (Psychiatry)
300 UCLA MEDICAL PLZ STE 1200
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9989
LEORA EVELYN SPRING MORINIS MD, MA
Psychiatry & Neurology (Psychiatry)
300 UCLA MEDICAL PLZ STE 1200
LOS ANGELES, CA 90095
Los Angeles County (310) 825-9989

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 Samantha Rivera's NPI number?

The NPI number for Samantha Rivera is 1285395079. It was assigned to this individual provider in the NPPES registry on January 4, 2022.

Where is Samantha Rivera located?

Samantha Rivera practices at 300 Ucla Medical Plz Ste 1200, Los Angeles, CA 90095. The listed phone number is (310) 825-9989.

What is Samantha Rivera's specialty?

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

Is Samantha Rivera enrolled in Medicare?

Yes. Samantha Rivera is registered in the Medicare PECOS enrollment system.

Which organizations bill Medicare for Samantha Rivera's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Samantha Rivera reassigns Medicare benefits to 2 organizations: Uc Regents (Los Angeles, CA) and Sud Specialty Group - Ca (Santa Clara, 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 Samantha Rivera'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 Samantha Rivera was last updated on December 19, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 10 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.