MITZI LOUBRIEL MD
NPI 1154515393
Pediatrics in Fontana, CA
About Mitzi Loubriel Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MITZI LOUBRIEL MD (NPI 1154515393) is an individual pediatrics provider in Fontana, California, licensed in California (A67558) and active in the NPI registry since August 2007. She is enrolled in Medicare PECOS.
NPPES Registry Identity
Specialties & Licenses
Medicare Participation & PECOS CMS
Medicare enrollment, assignment, billing reassignment, and ordering and referring status from CMS.
Medicare Enrollment Status
Enrolled in Medicare (PECOS)
Mitzi Loubriel Md is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignment
Medicare enrollment records show Mitzi Loubriel reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 5,228 clinicians in this Medicare group
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 92335 ZIP code area, from fee-for-service claims. These are area statistics, not this provider’s prices; actual charges vary by service and coverage.
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.
FONTANA, CA 92335
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 Mitzi Loubriel's NPI number?
The NPI number for Mitzi Loubriel is 1154515393. It was assigned to this individual provider in the NPPES registry on August 30, 2007.
Where is Mitzi Loubriel located?
Mitzi Loubriel practices at 9961 Sierra Ave, Fontana, CA 92335. The listed phone number is (909) 427-3910.
What is Mitzi Loubriel's specialty?
The primary specialty registered for this NPI is Pediatrics with taxonomy code 208000000X.
Is Mitzi Loubriel enrolled in Medicare?
Yes. Mitzi Loubriel is registered in the Medicare PECOS enrollment system.
Which organization bills Medicare for Mitzi Loubriel's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Mitzi Loubriel reassigns Medicare benefits to Southern California Permanente Medical Group (Fontana, 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 Mitzi Loubriel'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 Mitzi Loubriel was last updated on December 3, 2021. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.
# Mitzi Loubriel, MD · NPI 1154515393
Pediatrics physician in Fontana, California. Individual provider, active in the CMS NPPES registry since August 30, 2007.
## Identity
- **NPI:** 1154515393 (Entity type: Individual)
- **Enumerated:** August 30, 2007
- **Primary specialty:** Pediatrics · taxonomy 208000000X
- **State license:** A67558 (California)
- **Sole proprietor:** No
## Practice location
- **Address:** 9961 SIERRA AVE, Fontana, CA 92335-6720
- **Phone:** (909) 427-3910
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Ordering & referring:** eligible for Part B labs & imaging, durable medical equipment, home health, power mobility devices
- **Bills Medicare through:** Southern California Permanente Medical Group (NPI 1689606196, Fontana, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** December 3, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1154515393) · Data from the CMS NPPES public registry.