NPIMap

Organization Active NPI

Regents of the University of Ca

  • Hematology (Internal Medicine) Physician
  • Sacramento, CA
National Provider Identifier
1629061643
Registry record updated May 16, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Hematology (Internal Medicine) PhysicianTaxonomy code 207RH0000X
Legal business name
REGENTS OF THE UNIVERSITY OF CA
Practice address
4501 X St
Sacramento, CA 95817-2229
Phone
(916) 724-5803
Fax
(916) 734-7946
NPI assigned
Aug 24, 2005
Last updated
May 16, 2025By the provider in NPPES
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
Hematology (Internal Medicine) Physician 207RH0000X Primary

Addresses

Primary practice location

4501 X St
Sacramento, CA 95817-2229

Mailing address

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

Other identifiers 8

IdentifierTypeStateIssuer
CR0028OtherCARAILROAD MEDICARE PIN
CI4127OtherCARAILROAD MEDICARE PIN
DE7275OtherCARAILROAD MEDICARE PIN
DA4168OtherCARAILROAD MEDICARE PIN
GR0021049MedicaidCA
CN4400OtherCARAILROAD MEDICARE PIN
CN4844OtherCARAILROAD MEDICARE PIN
GNP000070MedicaidCA

Other names 1

  • Regents/UCDPBG/IM Hemato 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

Locations

3850 G St
Merced, CA 95340
Phone (209) 384-6528

10850 White Rock Rd
Rancho Cordova, CA 95670

Practitioners & affiliated clinicians

Practitioners 87

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 87

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": "1629061643",
    "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": "4501 X ST",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958172229",
            "telephone_number": "916-724-5803",
            "fax_number": "916-734-7946"
        }
    ],
    "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": "207RH0000X",
            "taxonomy_group": "",
            "desc": "Internal Medicine, Hematology",
            "state": null,
            "license": null,
            "primary": true
        }
    ],
    "identifiers": [
        {
            "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": "CI4127",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "DE7275",
            "state": "CA"
        },
        {
            "code": "01",
            "desc": "Other (non-Medicare)",
            "issuer": "RAILROAD MEDICARE PIN",
            "identifier": "DA4168",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GR0021049",
            "state": "CA"
        },
        {
            "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": "CN4844",
            "state": "CA"
        },
        {
            "code": "05",
            "desc": "MEDICAID",
            "issuer": null,
            "identifier": "GNP000070",
            "state": "CA"
        }
    ],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Regents/UCDPBG/IM Hemato",
            "code": "5",
            "type": "Other Name"
        },
        {
            "organization_name": "Regents/UCDPBG/IM Hemato",
            "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.