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ROBERTA JO FOX
NPI 1891378840
Social Worker - Clinical in Rialto, CA

Active since April 28, 2021PECOS Enrolled
850 E FOOTHILL BLVD, RIALTO, CA 92376(909) 421-9491(909) 421-5650 Get Directions Write a Review

NPPES record last updated: March 21, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Mar 21, 2025, Aug 22, 2024, Aug 26, 2022 and 1 more (4 updates tracked since 2021).

About Roberta Jo Fox NPPES

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

ROBERTA JO FOX (NPI 1891378840) is an individual clinical provider in Rialto, California, licensed in California (129304) and active in the NPI registry since April 2021. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1891378840
Entity TypeIndividualFemale
Primary Taxonomy1041C0700X
Provider Legal NameROBERTA JO FOX
Location Address850 E FOOTHILL BLVDRialto, CA 92376-5230
Mailing Address850 E Foothill BlvdRialto, CA 92376-5230 · (909) 421-9491 · Fax (909) 421-5650
Phone(909) 421-9491
Fax(909) 421-5650
Sole ProprietorYes
Enumeration DateApril 28, 2021
Last NPPES UpdateMarch 21, 20254 updates tracked since enumeration
NPPES CertifiedMarch 21, 2025
✔ NPI 1891378840 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 · 129304
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 ListedSocial WorkerTaxonomy 104100000X
Also ListedStudent in an Organized Health Care Education/Training ProgramTaxonomy 390200000X
850 E FOOTHILL BLVD, Rialto, CA 92376
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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)

Roberta Jo Fox 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 Roberta Fox reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

County Of San Bernardino
Same address
Adult Mental Health
850 E FOOTHILL BLVD
Rialto, CA 92376
  • Reassigned Medicare billing, California enrollment
  • 233 clinicians in this Medicare group
NPI 1235348533 (909) 421-9479

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 92376 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.

Other Providers at the Same Location NPPES 20

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

ROSE VERSACE MFT
Marriage & Family Therapist
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 421-9475
MRS. LINDA JOSEPHINE HEDGES M.F.T.
Marriage & Family Therapist
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 421-9470
MRS. PATRICIA LOPEZ
Interpreter
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 421-9382
MAKIBA LATISE GREEN
Rehabilitation Practitioner
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 539-7566
MRS. MARIBEL PEREZ
Interpreter
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 421-9456
DR. DIANA MAH PSY.D.
Psychologist
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 421-9380
MELISSA GUERRERO
Peer Specialist
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 421-9452
MRS. CHERYL PLACIDE MFT
Marriage & Family Therapist
850 E FOOTHILL BLVD
RIALTO, CA 92376
San Bernardino County (909) 421-9444

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 Roberta Fox's NPI number?

The NPI number for Roberta Fox is 1891378840. It was assigned to this individual provider in the NPPES registry on April 28, 2021.

Where is Roberta Fox located?

Roberta Fox practices at 850 E Foothill Blvd, Rialto, CA 92376. The listed phone number is (909) 421-9491.

What is Roberta Fox's specialty?

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

Is Roberta Fox enrolled in Medicare?

Yes. Roberta Fox is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Roberta Fox's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Roberta Fox reassigns Medicare benefits to County Of San Bernardino (Rialto, 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 Roberta Fox'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 Roberta Fox was last updated on March 21, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 19 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.