Organization Active NPI

Summit Physicians Medical Group

  • Hospitalist Physician
  • Riverside, CA
National Provider Identifier
1831007731
Registry record updated Sep 8, 2026
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
Legal business name
SUMMIT PHYSICIANS MEDICAL GROUP
Practice address
4445 Magnolia Ave
Riverside, CA 92501-4135
Phone
(714) 209-8872
NPI assigned
Aug 31, 2026
Organization subpart
No

NPPES NPI Registry

Updated by the provider on Sep 8, 2026

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

Authorized official

Name
Yas Casey, MD
Title
Secretary
Phone
(909) 664-4634

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Hospitalist PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 208M00000X Primary

Addresses

Primary practice location

4445 Magnolia Ave
Riverside, CA 92501-4135

Mailing address

15338 Central Ave Ste 121
Chino, CA 91710-7658
Phone (909) 664-4634

NPI Registry JSON

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

{
    "created_epoch": "1788134400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1788825600000",
    "number": "1831007731",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "15338 CENTRAL AVE STE 121",
            "city": "CHINO",
            "state": "CA",
            "postal_code": "917107658",
            "telephone_number": "909-664-4634"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4445 MAGNOLIA AVE",
            "city": "RIVERSIDE",
            "state": "CA",
            "postal_code": "925014135",
            "telephone_number": "714-209-8872"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "SUMMIT PHYSICIANS MEDICAL GROUP",
        "organizational_subpart": "NO",
        "enumeration_date": "2026-08-31",
        "last_updated": "2026-09-08",
        "certification_date": "2026-09-08",
        "status": "A",
        "authorized_official_last_name": "CASEY",
        "authorized_official_first_name": "YAS",
        "authorized_official_title_or_position": "SECRETARY",
        "authorized_official_telephone_number": "909-664-4634",
        "authorized_official_credential": "MD"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Hospitalist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": []
}

Other providers in Riverside, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on Sep 8, 2026; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.

Verify at the official NPI Registry.