CLIA lab
CLIA 05D0642827: Quest Diagnostics
West Hills, CA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 05D0642827 belongs to Quest Diagnostics in West Hills, CA.
Certificate of Accreditation, effective February 28, 2025, expires February 27, 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
- February 28, 2025
- Certificate expiration
- February 27, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- January 20, 1993
- 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
- 05D0642827
- Lab name
- Quest Diagnostics
- Address
- 8401 Fallbrook Ave, West Hills, CA 91304
- Phone
- (818) 737-6183
- Fax
- (818) 878-8863
Annual test volume the lab reported
- Provider-performed microscopy tests
- 1,601,810
- Tests under accreditation
- 105,594,642
- Total
- 107,196,452
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Affiliated CLIA numbers
Other labs in West Hills, CA
- 4 Seasons Recovery IopCertificate of Waiver, Other05D2314798
- Accentcare UCLA Health LLCCertificate of Waiver, Home health agency05D2163754
- Advanced Pain Medical GroupCertificate of Waiver, Physician office05D1073273
- Advanced Pain Surgical CenterCertificate of Waiver, Ambulatory surgery center05D1075135
- Agoura-West Valley PediatricCertificate of Waiver, Physician office05D0557570
- Ann Shahwan MDCertificate of Waiver, Physician office05D2090904
- Blair S Kranson MDCertificate of Compliance, Physician office05D0857715
- Eugene Dula MD IncCertificate for Provider-Performed Microscopy Procedures, Physician office05D2326302
- Exer Medical CorporationCertificate of Compliance, Other05D2178989
- Expert DermatologyCertificate of Compliance, Physician office05D2161972
Related
Questions
What is the CLIA number for Quest Diagnostics in West Hills?
05D0642827, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Quest Diagnostics hold?
A Certificate of Accreditation, according to the CMS file.
When does CLIA 05D0642827 expire?
The CMS file lists February 27, 2027 as the certificate expiration date; the certificate took effect February 28, 2025.