KEYSHA ROYSTER
NPI 1811517089
Nurse Practitioner - Family in Rialto, CA
About Keysha Royster NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
KEYSHA ROYSTER (NPI 1811517089) is an individual family provider in Rialto, California, licensed in California (NP95014214) and active in the NPI registry since April 2020. She is enrolled in Medicare PECOS, maintains a secondary practice location in Sacramento, and is a graduate of Other (2019).
NPPES Registry Identity
Specialties & Licenses 3
Secondary Practice Location 1
Group Practice 1
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
Keysha Royster 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
3Medicare enrollment records show Keysha Royster reassigns Medicare billing to 3 organizations. Each organization bills Medicare for the services this provider delivers there; the nearest is listed first.
Fontana, CA 92335
- Reassigned Medicare billing, California enrollment
- 149 clinicians in this Medicare group
Redlands, CA 92373
- Reassigned Medicare billing, California enrollment
- 635 clinicians in this Medicare group
Tustin, CA 92780
- Reassigned Medicare billing, California enrollment
- 2,052 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 92376 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.
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 Keysha Royster's NPI number?
The NPI number for Keysha Royster is 1811517089. It was assigned to this individual provider in the NPPES registry on April 17, 2020.
Where is Keysha Royster located?
Keysha Royster practices at 1851 N Riverside Ave, Rialto, CA 92376. The listed phone number is (702) 579-3203.
What is Keysha Royster's specialty?
The primary specialty registered for this NPI is Nurse Practitioner, specializing in Family, with taxonomy code 363LF0000X.
Is Keysha Royster enrolled in Medicare?
Yes. Keysha Royster 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 Keysha Royster's services?
According to the CMS Revalidation Reassignment List (October 2026 release), Keysha Royster reassigns Medicare benefits to 3 organizations: Pinnacle Medical Group, Inc (Fontana, CA), Beaver Medical Group P C (Redlands, CA) and Healthcare Partners Affiliates Medical Group (Tustin, 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 Keysha Royster'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 Keysha Royster was last updated on November 25, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 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.
# Keysha Royster · NPI 1811517089
Family physician in Rialto, California. Individual provider, active in the CMS NPPES registry since April 17, 2020.
## Identity
- **NPI:** 1811517089 (Entity type: Individual)
- **Enumerated:** April 17, 2020
- **Primary specialty:** Nurse Practitioner - Family · taxonomy 363LF0000X
- **State license:** NP95014214 (California)
- **Sole proprietor:** Yes
## Practice location
- **Address:** 1851 N RIVERSIDE AVE, Rialto, CA 92376-8069
- **Phone:** (702) 579-3203
## 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:** 3 organizations under Medicare reassignment (form CMS-855R): Pinnacle Medical Group, Inc (NPI 1376876912, Fontana, CA); Beaver Medical Group P C (NPI 1649503319, Redlands, CA); Healthcare Partners Affiliates Medical Group (NPI 1891981502, Tustin, CA) · CMS Revalidation Reassignment List, October 2026 release
- **Medical school:** Other, class of 2019
## Record status
- **NPPES last updated:** November 25, 2025
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Source: [NPI Profile](https://npiprofile.com/npi/1811517089) · Data from the CMS NPPES public registry.