1. Home
  2. Directory
  3. California
  4. Riverside
  5. Counselor
  6. NPI Profile

STEPHANIE CRISTERNA-CASILLAS
NPI 1477012540
Counselor - Mental Health in Riverside, CA

Active since March 18, 2019PECOS Enrolled
11870 PIERCE ST STE 200, RIVERSIDE, CA 92505(951) 248-4000 Get Directions Write a Review

NPPES record last updated: November 28, 2024. Verified against the NPPES registry weekly; last sync: October 18, 2026.

About Stephanie Cristerna-casillas NPPES

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

STEPHANIE CRISTERNA-CASILLAS (NPI 1477012540) is an individual mental health provider in Riverside, California, licensed in California (132769) and active in the NPI registry since March 2019. She is enrolled in Medicare PECOS.

NPPES Registry Identity

NPI1477012540
Entity TypeIndividualFemale
Primary Taxonomy101YM0800X
Provider Legal NameSTEPHANIE CRISTERNA-CASILLAS
Location Address11870 PIERCE ST STE 200Riverside, CA 92505-5186
Mailing Address13136 Los Carneros CtRiverside, CA 92503-7143
Phone(951) 248-4000
Sole ProprietorYes
Enumeration DateMarch 18, 2019
Last NPPES UpdateNovember 28, 2024
NPPES CertifiedNovember 28, 2024
✔ NPI 1477012540 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyCounselor · Mental HealthBehavioral Health & Social Service Providers
Taxonomy Code101YM0800X
License✔ Licensed in CA · 132769
11870 PIERCE ST STE 200, Riverside, CA 92505
Open in Google Maps ↗

Medicare Participation & PECOS CMS

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Stephanie Cristerna-casillas 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 Stephanie Cristerna-casillas reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.

Southern California Permanente Medical Group
1.4 mi
Health Maintenance Organization
10800 MAGNOLIA AVE
Riverside, CA 92505
  • Reassigned Medicare billing, California enrollment
  • 5,228 clinicians in this Medicare group
NPI 1316979834 (866) 984-7483

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

Other Providers at the Same Location NPPES 5

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

QUIANA JOHNSON
Psychiatry & Neurology (Psychiatry)
11870 PIERCE ST STE 200
RIVERSIDE, CA 92505
Riverside County (951) 248-4000
ALICIA MEREDITH LCSW
Social Worker (Clinical)
11870 PIERCE ST STE 200
RIVERSIDE, CA 92505
Riverside County (833) 579-4848
JOHANNA PAOLA PAZ
Marriage & Family Therapist
11870 PIERCE ST STE 200
RIVERSIDE, CA 92505
Riverside County (951) 248-4000
LESLIE ROMERO-GALLEGOS
Social Worker (Clinical)
11870 PIERCE ST STE 200
RIVERSIDE, CA 92505
Riverside County (951) 248-4000
SUSAN EUNJI KIM LCSW
Counselor (Mental Health)
11870 PIERCE ST STE 200
RIVERSIDE, CA 92505
Riverside County (951) 248-4000

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 Stephanie Cristerna-casillas's NPI number?

The NPI number for Stephanie Cristerna-casillas is 1477012540. It was assigned to this individual provider in the NPPES registry on March 18, 2019.

Where is Stephanie Cristerna-casillas located?

Stephanie Cristerna-casillas practices at 11870 Pierce St Ste 200, Riverside, CA 92505. The listed phone number is (951) 248-4000.

What is Stephanie Cristerna-casillas's specialty?

The primary specialty registered for this NPI is Counselor, specializing in Mental Health, with taxonomy code 101YM0800X.

Is Stephanie Cristerna-casillas enrolled in Medicare?

Yes. Stephanie Cristerna-casillas is registered in the Medicare PECOS enrollment system.

Which organization bills Medicare for Stephanie Cristerna-casillas's services?

According to the CMS Revalidation Reassignment List (October 2026 release), Stephanie Cristerna-casillas reassigns Medicare benefits to Southern California Permanente Medical Group (Riverside, 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 Stephanie Cristerna-casillas'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 Stephanie Cristerna-casillas was last updated on November 28, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 22 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.