MARCELA ESPINOSA DE LOS MONTEROS MD
NPI 1144595125
Family Medicine in Riverside, CA
About Marcela Espinosa De Los Monteros Md NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MARCELA ESPINOSA DE LOS MONTEROS MD (NPI 1144595125) is an individual family medicine provider in Riverside, California, licensed in California (A119401) and active in the NPI registry since March 2012. She is enrolled in Medicare PECOS and is a graduate of Other (2004).
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 and accepts Medicare assignment
Marcela Espinosa De Los Monteros Md is registered in PECOS and agrees to accept the Medicare-approved amount as full payment. Medicare patients are not billed beyond the standard deductible and coinsurance.
Medicare Billing Reassignment
Medicare enrollment records show Marcela De Los Monteros reassigns Medicare billing to 1 organization. The organization bills Medicare for the services this provider delivers there.
Riverside, CA 92505
- 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 92505 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.
RIVERSIDE, CA 92505
RIVERSIDE, CA 92505
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 Marcela De Los Monteros's NPI number?
The NPI number for Marcela De Los Monteros is 1144595125. It was assigned to this individual provider in the NPPES registry on March 9, 2012.
Where is Marcela De Los Monteros located?
Marcela De Los Monteros practices at 10800 Magnolia Ave, Riverside, CA 92505. The listed phone number is (951) 353-2000.
What is Marcela De Los Monteros's specialty?
The primary specialty registered for this NPI is Family Medicine with taxonomy code 207Q00000X.
Is Marcela De Los Monteros enrolled in Medicare?
Yes. Marcela De Los Monteros is registered in the Medicare PECOS system and accepts Medicare assignment, which means accepting the Medicare-approved amount as payment in full for covered services.
Which organization bills Medicare for Marcela De Los Monteros's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Marcela De Los Monteros 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 Marcela De Los Monteros'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 Marcela De Los Monteros was last updated on November 9, 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.
# Marcela Espinosa De Los Monteros, MD · NPI 1144595125
Family Medicine physician in Riverside, California. Individual provider, active in the CMS NPPES registry since March 9, 2012.
## Identity
- **NPI:** 1144595125 (Entity type: Individual)
- **Enumerated:** March 9, 2012
- **Primary specialty:** Family Medicine · taxonomy 207Q00000X
- **State license:** A119401 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 10800 MAGNOLIA AVE, Riverside, CA 92505-3043
- **Phone:** (951) 353-2000
## Medicare
- **Medicare:** Enrolled (PECOS); accepts Medicare assignment
- **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 1316979834, Riverside, CA), under Medicare reassignment (form CMS-855R) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2004
## Record status
- **NPPES last updated:** November 9, 2021
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Source: [NPI Profile](https://npiprofile.com/npi/1144595125) · Data from the CMS NPPES public registry.