Active NPI
Summit Physicians Medical Group
- Hospitalist Physician
- Riverside, CA
National Provider Identifier
1831007731
On this page
Key facts
NPPES NPI Registry- Primary specialty
- Hospitalist Physician
- 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
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) | Code | License | State | Primary |
|---|---|---|---|---|
| Hospitalist Physician | 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.