CLIA lab

CLIA 05D0584787: Unilab Corporation

Ventura, CA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 05D0584787 belongs to Unilab Corporation in Ventura, CA.

Certificate of Accreditation, effective December 16, 2025, expires December 15, 2027.

Active in the CMS Provider of Services file posted October 16, 2026.

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

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Certificate

Certificate type
Certificate of Accreditation
Certificate effective
December 16, 2025
Certificate expiration
December 15, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
September 1, 1992
Facility type
Independent
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Accrediting organizations
College of American Pathologists (CAP)
Directly affiliated labs
1

Source: CMS Provider of Services File, Clinical Laboratories (CLIA), as of October 16, 2026. Publisher page

Lab and contact

CLIA number
05D0584787
Lab name
Unilab Corporation
Additional name
DBA Quest Diagnostics
Address
2065 Sperry Ave, Ventura, CA 93003
Phone
(805) 650-4858
Fax
(805) 328-6710

Annual test volume the lab reported

Waived tests
26
Tests under accreditation
16,135
Total
16,161

Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.

Affiliated CLIA numbers

Other labs in Ventura, CA

Related

Questions

What is the CLIA number for Unilab Corporation in Ventura?

05D0584787, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Unilab Corporation hold?

A Certificate of Accreditation, according to the CMS file.

When does CLIA 05D0584787 expire?

The CMS file lists December 15, 2027 as the certificate expiration date; the certificate took effect December 16, 2025.

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