CYNTHIA CASTILLO FNP-C
NPI 1699429704
Nurse Practitioner - Family in Riverside, CA
About Cynthia Castillo Fnp-c NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
CYNTHIA CASTILLO FNP-C (NPI 1699429704) is an individual family provider in Riverside, California, licensed in California (95022514) and active in the NPI registry since February 2022. She is enrolled in Medicare PECOS, maintains 2 additional practice locations, and is a graduate of Other (2022).
NPPES Registry Identity
Specialties & Licenses
Secondary Practice Locations 2
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
Cynthia Castillo Fnp-c 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 Reassignments
2Medicare enrollment records show Cynthia Castillo reassigns Medicare billing to 2 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Riverside, CA 92506
- Reassigned Medicare billing, California enrollment
- 2,584 clinicians in this Medicare group
Temecula, CA 92590
- Reassigned Medicare billing, California enrollment
- 117 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 92506 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 2
Providers registered at the same practice address, or within the immediate area, according to the NPPES registry.
RIVERSIDE, CA 92506
RIVERSIDE, CA 92506
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 Cynthia Castillo's NPI number?
The NPI number for Cynthia Castillo is 1699429704. It was assigned to this individual provider in the NPPES registry on February 8, 2022.
Where is Cynthia Castillo located?
Cynthia Castillo practices at 6780 Indiana Ave Ste 170, Riverside, CA 92506. The listed phone number is (951) 680-0909.
What is Cynthia Castillo's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Cynthia Castillo enrolled in Medicare?
Yes. Cynthia Castillo 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 organizations bill Medicare for Cynthia Castillo's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Cynthia Castillo reassigns Medicare benefits to 2 organizations: Faculty Physicians And Surgeons Of Llusm (Riverside, CA) and Rancho Family Medical Group, Inc. (Temecula, 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 Cynthia Castillo'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 Cynthia Castillo was last updated on September 19, 2024. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 2 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.
# Cynthia Castillo, FNP-C · NPI 1699429704
Family physician in Riverside, California. Individual provider, active in the CMS NPPES registry since February 8, 2022.
## Identity
- **NPI:** 1699429704 (Entity type: Individual)
- **Enumerated:** February 8, 2022
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** 95022514 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 6780 INDIANA AVE STE 170, Riverside, CA 92506-4284
- **Phone:** (951) 680-0909
## 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:** 2 organizations under Medicare reassignment (form CMS-855R): Faculty Physicians And Surgeons Of Llusm (NPI 1013967405, Riverside, CA); Rancho Family Medical Group, Inc. (NPI 1598791600, Temecula, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2022
## Record status
- **NPPES last updated:** September 19, 2024
---
Source: [NPI Profile](https://npiprofile.com/npi/1699429704) · Data from the CMS NPPES public registry.