Organization Active NPI

Regents of the University of Ca

  • Internal Medicine Physician
  • Sacramento, CA
National Provider Identifier
1972596989
Registry record updated May 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Internal Medicine PhysicianTaxonomy code 207R00000X
Legal business name
REGENTS OF THE UNIVERSITY OF CA
Practice address
4860 Y St
Sacramento, CA 95817-2307
Phone
(916) 734-8046
Fax
(916) 734-2732
NPI assigned
Aug 24, 2005
Organization subpart
No

NPPES NPI Registry

Updated by the provider on May 16, 2025

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

Authorized official

Name
Tammy Trovatten
Title
Vice President, Gov'T Reimbursement
Phone
(916) 855-2315

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Internal Medicine PhysicianGroup: 193200000X MULTI-SPECIALTY GROUP 207R00000X Primary

Addresses

Primary practice location

4860 Y St
Sacramento, CA 95817-2307

Mailing address

10850 White Rock Rd
Rancho Cordova, CA 95670-6044
Phone (916) 734-9200

Other identifiers 9

IdentifierTypeStateIssuer
CN4400OtherCARAILROAD MEDICARE PIN
CR0028OtherCARAILROAD MEDICARE PIN
DE7275OtherCARAILROAD MEDICARE PIN
GNP000070MedicaidCA
CI4127OtherCARAILROAD MEDICARE PIN
DA4168OtherCARAILROAD MEDICARE PIN
ZZZP5701ZOtherCAMEDICAID/CHDP PIN
CN4844OtherCARAILROAD MEDICARE PIN
GR002104BMedicaidCA

Other names 1

  • Regents UCDPBG Internal Med Other name

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031111000892 CA Part B Supplier - Clinic/Group Practice 3375456619 Receives reassigned benefits from 2,647 practitioners
This NPI is an additional NPI on the enrollment

National Provider Directory

National Provider Directory
Tax ID family
UC Regents Rad Nuc Med57 organizations share this tax ID, including this one

Organizations with this tax ID in the same state 13

This tax ID family is large, so up to 24 of its organizations in the same state are linked here.

View all 13

Practitioners & affiliated clinicians

Practitioners 72

Individual providers connected to this organization through Medicare benefit reassignment, Care Compare group membership or National Provider Directory roles.

View all 72

NPI Registry JSON

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

{
    "created_epoch": "1124841600000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1747353600000",
    "number": "1972596989",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "10850 WHITE ROCK RD",
            "city": "RANCHO CORDOVA",
            "state": "CA",
            "postal_code": "956706044",
            "telephone_number": "916-734-9200",
            "fax_number": "916-734-9661"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "4860 Y ST",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958172307",
            "telephone_number": "916-734-8046",
            "fax_number": "916-734-2732"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "REGENTS OF THE UNIVERSITY OF CA",
        "organizational_subpart": "NO",
        "enumeration_date": "2005-08-24",
        "last_updated": "2025-05-16",
        "certification_date": "2025-05-16",
        "status": "A",
        "authorized_official_last_name": "TROVATTEN",
        "authorized_official_first_name": "TAMMY",
        "authorized_official_title_or_position": "VICE PRESIDENT, GOV'T REIMBURSEMENT",
        "authorized_official_telephone_number": "916-855-2315"
    },
    "taxonomies": [
        {
            "code": "207R00000X",
            "taxonomy_group": "193200000X MULTI-SPECIALTY GROUP",
            "desc": "Internal Medicine",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "CN4400",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "CR0028",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "DE7275",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GNP000070",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "CI4127",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "DA4168",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "MEDICAID/CHDP PIN",
            "identifier": "ZZZP5701Z",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "CN4844",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR002104B",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Regents UCDPBG Internal Med",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "Regents UCDPBG Internal Med",
            "code": "5",
            "type": "Other Name"
        }
    ]
}

Other providers in Sacramento, CA

Sources for this page

  • NPPES NPI Registry (CMS): identity, addresses, specialties, licenses, identifiers and endpoints. Last updated by the provider on May 16, 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.