MS. MARITZA PELAYO
NPI 1083167589
Social Worker - Clinical in Upland, CA
About Ms. Maritza Pelayo NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
MS. MARITZA PELAYO (NPI 1083167589) is an individual clinical provider in Upland, California, licensed in California (102116) and active in the NPI registry since August 2016. 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)
Ms. Maritza Pelayo is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Billing Reassignments
2Medicare enrollment records show Maritza Pelayo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Upland, CA 91786
- Reassigned Medicare billing, California enrollment
- 76 clinicians in this Medicare group
Monrovia, CA 91016
- Reassigned Medicare billing, California enrollment
- 146 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 91786 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 15
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
UPLAND, CA 91786
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 Maritza Pelayo's NPI number?
The NPI number for Maritza Pelayo is 1083167589. It was assigned to this individual provider in the NPPES registry on August 1, 2016.
Where is Maritza Pelayo located?
Maritza Pelayo practices at 954 W Foothill Blvd Ste A, Upland, CA 91786. The listed phone number is (909) 946-4222.
What is Maritza Pelayo's specialty?
The primary specialty registered for this NPI is Social Worker, specializing in Clinical, with taxonomy code 1041C0700X.
Is Maritza Pelayo enrolled in Medicare?
Yes. Maritza Pelayo is registered in the Medicare PECOS enrollment system.
Which organizations bill Medicare for Maritza Pelayo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Maritza Pelayo reassigns Medicare benefits to 2 organizations: Foothills Psychological Services, Inc. (Upland, CA) and Mission City Community Network, Inc. (Monrovia, 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 Maritza Pelayo'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 Maritza Pelayo was last updated on June 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 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.