Individual provider Active NPI

Keysha Royster

  • Family Nurse Practitioner
  • Rialto, CA
National Provider Identifier
1811517089
Registry record updated Nov 25, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Family Nurse PractitionerTaxonomy code 363LF0000X
License
NP95014214 Issued in CA
Practice address
1851 N Riverside Ave
Rialto, CA 92376-8069
Phone
(702) 579-3203
NPI assigned
Apr 17, 2020
Sex
Female
Sole proprietor
Yes

NPPES NPI Registry

Updated by the provider on Nov 25, 2025

Registry information is reported by the provider to CMS and is not verified. About this source

Specialties & licenses 3

Specialty (taxonomy)CodeLicenseStatePrimary
Registered NurseGroup: 193200000X MULTI-SPECIALTY GROUP 163W00000X 675861 CA
Primary Care Nurse Practitioner 363LP2300X NP95014214 CA
Family Nurse PractitionerGroup: 193200000X MULTI-SPECIALTY GROUP 363LF0000X NP95014214 CA Primary

Addresses

Primary practice location

1851 N Riverside Ave
Rialto, CA 92376-8069

Mailing address

PO Box 35380
Las Vegas, NV 89133-5380
Phone (702) 579-3203

Other practice location 1

2315 Stockton Blvd
Sacramento, CA 95817-2201
Phone (916) 703-5572

Electronic endpoints 2

TypeEndpointUseAffiliation
Other URL RIVERSIDE
Other URL Sacramento University of California Davis Medical Center

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA
Eligible to order & refer
  • Part B services: Yes
  • Medical equipment: Yes
  • Home health: Yes
  • Power mobility devices: Yes
  • Hospice: No
Green means eligible to order or refer.

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
I20240716003979 CA Practitioner - Nurse Practitioner 8022553866 Reassigns benefits to 3 organizations

Care Compare profile

Medicare Care Compare
Specialty
Nurse Practitioner
Education
Other, 2019
Medicare assignment
Accepts the Medicare-approved amount as payment in full
Group practices
Pinnacle Medical Group IncGroup PAC ID 4880667609, 19 clinicians

Practice addresses (Care Compare)

1851 N Riverside Ave
Rialto, CA 92376-8069
Phone (909) 421-2700

National Provider Directory

National Provider Directory
Medicare enrollment (NPD)
Enrolled
Credentials
Nurse Practitioner

State licenses

LicenseStateTypeSpecialty
675861CAMDRegistered Nurse
NP95014214CAMDFamily Nurse Practitioner

Practice roles

OrganizationSpecialtyStatusNew patients
Cassidy Medical Group Inc. Multi-Specialty Current Accepting new patients
Healthcare Partners Affiliates Medical Group CurrentSince Jan 1, 2026 Accepting new patients
Healthcare Partners Affiliates Medical Group Multi-Specialty CurrentSince Jan 1, 2026 Accepting new patients
Pinnacle Medical Group, Inc Multi-Specialty CurrentSince Sep 2, 2024 Accepting new patients
Pinnacle Medical Group, Inc Multi-Specialty CurrentSince Sep 2, 2024 Accepting new patients
Centers for Family Medicine GP Multi-Specialty Current Accepting new patients
Beaver Medical Group P C Multi-Specialty CurrentSince Jun 1, 2024 Accepting new patients
Beaver Medical Group P C Multi-Specialty CurrentSince Jun 1, 2024 Accepting new patients

Locations

1236 N Magnolia Ave
Anaheim, CA 92801
Phone (714) 995-1000

5957 W Ramsey St
Banning, CA 92220
Phone (951) 845-8864

2910 Jefferson St
Ste 100
Carlsbad, CA 92008
Phone (760) 729-8600

824 E Carson St
Ste 104
Carson, CA 90745
Phone (310) 830-9706

10431 Lemon Ave
Ste N
Rch Cucamonga, CA 91737
Phone (909) 466-6579

2 W Fern Ave
Redlands, CA 92373
Phone (909) 335-4137

1851 N Riverside Ave
Rialto, CA 92376
Phone (909) 421-2700

1700 N Waterman Ave
Sn Bernrdno, CA 92404
Phone (909) 883-8611

145 Thunder Dr
Vista, CA 92083
Phone (760) 630-5487

Interoperability endpoints

  • Direct secure messaging: kroyster24768@epiclp.direct-ci.com
  • Direct secure messaging: keysha.royster.1@24997.direct.athenahealth.com

Organizations & group practices 8

Organizations this provider is connected to: Medicare benefit reassignments (the organization bills Medicare for this provider’s services), Care Compare group memberships and National Provider Directory roles.

NPI Registry JSON

The complete NPPES record for this NPI in the NPI Registry API format.

{
    "created_epoch": "1587081600000",
    "enumeration_type": "NPI-1",
    "last_updated_epoch": "1764028800000",
    "number": "1811517089",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 35380",
            "city": "LAS VEGAS",
            "state": "NV",
            "postal_code": "891335380",
            "telephone_number": "702-579-3203"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "1851 N RIVERSIDE AVE",
            "city": "RIALTO",
            "state": "CA",
            "postal_code": "923768069",
            "telephone_number": "702-579-3203"
        }
    ],
    "practiceLocations": [
        {
            "address_1": "2315 Stockton Blvd",
            "address_purpose": "LOCATION",
            "city": "Sacramento",
            "state": "CA",
            "postal_code": "958172201",
            "country_code": "US",
            "telephone_number": "916-703-5572",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "basic": {
        "last_name": "ROYSTER",
        "first_name": "KEYSHA",
        "sole_proprietor": "YES",
        "sex": "F",
        "enumeration_date": "2020-04-17",
        "last_updated": "2025-11-25",
        "certification_date": "2025-11-25",
        "status": "A"
    },
    "taxonomies": [
        {
            "code": "163W00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Registered Nurse",
            "state": "CA",
            "license": "675861",
            "primary": false
        },
        {
            "code": "363LP2300X",
            "taxonomy_group": "",
            "desc": "Nurse Practitioner, Primary Care",
            "state": "CA",
            "license": "NP95014214",
            "primary": false
        },
        {
            "code": "363LF0000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Nurse Practitioner, Family",
            "state": "CA",
            "license": "NP95014214",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "RIVERSIDE",
            "affiliation": "N",
            "address_1": "22421 Barton Rd # 189",
            "city": "Grand Terrace",
            "state": "CA",
            "country_code": "US",
            "postal_code": "923135008",
            "country_name": "United States",
            "address_type": "DOM"
        },
        {
            "endpointType": "OTHERS",
            "endpointTypeDescription": "Other URL",
            "endpoint": "Sacramento",
            "affiliation": "Y",
            "affiliationName": "University of California Davis  Medical Center",
            "address_1": "2315 Stockton Blvd",
            "city": "Sacramento",
            "state": "CA",
            "country_code": "US",
            "postal_code": "958172201",
            "country_name": "United States",
            "address_type": "DOM"
        }
    ],
    "other_names": []
}

Other providers in Rialto, CA

Sources for this page

Verify at the official NPI Registry.