Organization Active NPI

The Regents of the University of California-Irvine

Doing business as UC Irvine Hospitalist Program

  • Hospitalist Physician
  • Orange, CA
National Provider Identifier
1154479723
Registry record updated May 22, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hospitalist PhysicianTaxonomy code 208M00000X
Legal business name
THE REGENTS OF THE UNIVERSITY OF CALIFORNIA-IRVINE
Doing business as
UC Irvine Hospitalist Program
Practice address
101 The City Dr S BLDG 1
Orange, CA 92868
Phone
(714) 456-7002
Fax
(855) 209-8413
NPI assigned
Jan 8, 2007
Last updated
May 22, 2025By the provider in NPPES
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 22, 2025

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

Authorized official

Name
Sylvia Copen
Title
Provider Enrollment Manager
Phone
(714) 456-6227

Specialties & licenses 1

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

Addresses

Primary practice location

101 The City Dr S BLDG 1
Orange, CA 92868

Mailing address

PO Box 31001-2482
Pasadena, CA 91110-2482
Phone (714) 456-2986

Other names 1

  • UC Irvine Hospitalist Program Doing business as

Medicare participation

Medicare enrollment files
Medicare fee-for-service enrollment
Enrolled in CA

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20070426000308 CA Part B Supplier - Clinic/Group Practice 3971609611 Receives reassigned benefits from 229 practitioners
Practice locations: Orange, CA

National Provider Directory

National Provider Directory

Locations

200 Freedom Ln
Aliso Viejo, CA 92656
Phone (213) 928-2194

19262 Jamboree Rd
Irvine, CA 92612
Phone (949) 824-2343

101 The City Dr S
Bldg 25B
Orange, CA 92868

101 The City Dr S
Ste 400
Orange, CA 92868
Phone (714) 456-5691

12456 Beach Blvd
Stanton, CA 90680
Phone (714) 373-9447

Practitioners & affiliated clinicians

Practitioners 623

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles, and the practitioner matching its NPPES authorized official.

View all 623

NPI Registry JSON

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

{
    "created_epoch": "1168214400000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1747872000000",
    "number": "1154479723",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "PO BOX 31001-2482",
            "city": "PASADENA",
            "state": "CA",
            "postal_code": "911102482",
            "telephone_number": "714-456-2986"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "101 THE CITY DR S BLDG 1",
            "city": "ORANGE",
            "state": "CA",
            "postal_code": "92868",
            "telephone_number": "714-456-7002",
            "fax_number": "855-209-8413"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "THE REGENTS OF THE UNIVERSITY OF CALIFORNIA-IRVINE",
        "organizational_subpart": "NO",
        "enumeration_date": "2007-01-08",
        "last_updated": "2025-05-22",
        "certification_date": "2025-05-22",
        "status": "A",
        "authorized_official_last_name": "COPEN",
        "authorized_official_first_name": "SYLVIA",
        "authorized_official_title_or_position": "PROVIDER ENROLLMENT MANAGER",
        "authorized_official_telephone_number": "714-456-6227"
    },
    "taxonomies": [
        {
            "code": "208M00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Hospitalist",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "UC Irvine Hospitalist Program",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "UC Irvine Hospitalist Program",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

Other providers in Orange, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 22, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.