Organization Active NPI

Unilab Corporation

Doing business as Quest Diagnostics

  • Clinical Medical Laboratory
  • Sacramento, CA
National Provider Identifier
1619913449
Registry record updated Jan 14, 2025
On this page

Key facts

NPPES NPI Registry
Primary specialty
Clinical Medical LaboratoryTaxonomy code 291U00000X
License
05D0644209 Issued in CA
Legal business name
UNILAB CORPORATION
Doing business as
Quest Diagnostics
Practice address
3714 Northgate Blvd
Sacramento, CA 95834-1617
Phone
(916) 927-9900
NPI assigned
Jun 21, 2006
Last updated
Jan 14, 2025By the provider in NPPES
Organization subpart
Yes
Parent organization
QUEST DIAGNOSTICS INCORPORATEDAs reported in NPPES

NPPES NPI Registry

Updated by the provider on Jan 14, 2025

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

Authorized official

Name
Leah D Timmerman
Title
Vice President
Phone
(973) 520-2700

Specialties & licenses 1

Specialty (taxonomy)CodeLicenseStatePrimary
Clinical Medical Laboratory 291U00000X 05D0644209 CA Primary

Addresses

Primary practice location

3714 Northgate Blvd
Sacramento, CA 95834-1617

Mailing address

14275 Midway Rd Ste 400
Addison, TX 75001-3614

Other names 1

  • Quest Diagnostics Doing business as

Medicare participation

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

Enrollment records 1

Enrollment IDStateProvider typePAC IDDetails
O20031218000318 CA Part B Supplier - Independent Clinical Laboratory 7618874512 25 other NPIs on this enrollment
Practice locations: Sacramento, CA; San Jose, CA; Riverside, CA; Redding, CA; Highland, CA; Fresno, CA; Berkeley, CA

Other NPIs with the same Medicare PAC ID 3

NPIs whose Medicare enrollments share a PECOS associate control ID (the same enrolled entity).

Other NPIs on the same Medicare enrollment 13

NPIs listed together on one Medicare enrollment, typically parts of the same organization.

View all 13

Laboratory certificates & supplier records

Derived by NPIMap

These CMS records do not include an NPI. They are shown because their name and street address match this provider’s.

CLIA laboratory certificates

CLIA numberLaboratoryCertificateExpires
05D0644209Unilab Corp Dba Quest Diagnostics3714 Northgate Blvd, Sacramento, CA 95834AccreditationMar 14, 2027

National Provider Directory

National Provider Directory
Tax ID family
Quest Diagnostics Incorporated22 organizations share this tax ID, including this one
Part of
Corning Nichols

Other organizations with this tax ID 21

Organizations that report the same tax identification number in the National Provider Directory.

View all 21

Locations (25 of 119)

3133 Professional Dr
Ste 16
Auburn, CA 95603

9500 Stockdale Hwy
Ste 107
Bakersfield, CA 93311
Phone (661) 664-1320

2999 Regent St
Ste 101
Berkeley, CA 94705
Phone (510) 848-8452

448 N Bedford Dr
Beverly Hills, CA 90210
Phone (310) 275-8573

5811 Jameson Ct
Carmichael, CA 95608

6555 Coyle Ave
Ste 160
Carmichael, CA 95608

6620 Coyle Ave
Ste 100
Carmichael, CA 95608

7423 Fair Oaks Blvd
Carmichael, CA 95608

2531 E Whitmore Ave
Ste P
Ceres, CA 95307

250 Cohasset Rd
Ste 20
Chico, CA 95926
Phone (916) 927-9900

670 Rio Lindo Ave
Ste 500
Chico, CA 95926
Phone (530) 894-3863

341 Trinity Ave
Chowchilla, CA 93610

2187 Herndon Ave
Clovis, CA 93611

550 Washington St
Ste 100
Daly City, CA 94015
Phone (650) 756-2817

901 Campus Dr
Ste 103
Daly City, CA 94015
Phone (650) 997-4851

5265 Sunrise Blvd
Fair Oaks, CA 95628

1600 Creekside Dr
Ste 1100
Folsom, CA 95630

202 Green Valley Rd
Ste A
Freedom, CA 95019

2191 Mowry Ave
Ste 500B
Fremont, CA 94538
Phone (510) 797-3322

1275 E Spruce Ave
Ste 102
Fresno, CA 93720

3636 N 1st St
Ste 101
Fresno, CA 93726
Phone (559) 221-2330

3636 N 1st St
Ste 111
Fresno, CA 93726
Phone (916) 927-9900

3741 W Shaw Ave
Fresno, CA 93711

4182 N 1st St
Ste 103
Fresno, CA 93726

7035 N West Ave
Ste 107
Fresno, CA 93711

Practitioners & affiliated clinicians

Practitioners 1

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.

NPI Registry JSON

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

{
    "created_epoch": "1150848000000",
    "enumeration_type": "NPI-2",
    "last_updated_epoch": "1736812800000",
    "number": "1619913449",
    "addresses": [
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "MAILING",
            "address_type": "DOM",
            "address_1": "14275 MIDWAY RD STE 400",
            "city": "ADDISON",
            "state": "TX",
            "postal_code": "750013614"
        },
        {
            "country_code": "US",
            "country_name": "United States",
            "address_purpose": "LOCATION",
            "address_type": "DOM",
            "address_1": "3714 NORTHGATE BLVD",
            "city": "SACRAMENTO",
            "state": "CA",
            "postal_code": "958341617",
            "telephone_number": "916-927-9900"
        }
    ],
    "practiceLocations": [],
    "basic": {
        "organization_name": "UNILAB CORPORATION",
        "organizational_subpart": "YES",
        "parent_organization_legal_business_name": "QUEST DIAGNOSTICS INCORPORATED",
        "enumeration_date": "2006-06-21",
        "last_updated": "2025-01-14",
        "certification_date": "2025-01-14",
        "status": "A",
        "authorized_official_last_name": "TIMMERMAN",
        "authorized_official_first_name": "LEAH",
        "authorized_official_middle_name": "D",
        "authorized_official_title_or_position": "VICE PRESIDENT",
        "authorized_official_telephone_number": "973-520-2700"
    },
    "taxonomies": [
        {
            "code": "291U00000X",
            "taxonomy_group": "",
            "desc": "Clinical Medical Laboratory",
            "state": "CA",
            "license": "05D0644209",
            "primary": true
        }
    ],
    "identifiers": [],
    "endpoints": [],
    "other_names": [
        {
            "organization_name": "Quest Diagnostics",
            "code": "3",
            "type": "Doing Business As"
        },
        {
            "organization_name": "Quest Diagnostics",
            "code": "3",
            "type": "Doing Business As"
        }
    ]
}

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 Jan 14, 2025; self-reported and not verified by CMS. Specialty names from the NUCC taxonomy.
  • Medicare enrollment (CMS PECOS): enrollments, PAC IDs and benefit reassignments.
  • Medicare Care Compare (CMS): clinician profile, group practices, facility affiliations, MIPS scores and star ratings.
  • National Provider Directory (CMS): practice roles, locations, licenses, networks and endpoints.

Verify at the official NPI Registry.