CLIA lab

CLIA 05D2210747: Proactive Work Health Services

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

CLIA number 05D2210747 belongs to Proactive Work Health Services in Chatsworth, CA.

Certificate of Waiver, effective January 22, 2025, expires January 21, 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 Waiver
Certificate effective
January 22, 2025
Certificate expiration
January 21, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
January 22, 2021
Facility type
Physician office
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory

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

Lab and contact

CLIA number
05D2210747
Lab name
Proactive Work Health Services
Address
9421 Winnetka Avenue Suite A, Chatsworth, CA 91311
Phone
(747) 444-4090
Fax
(747) 444-4094

Annual test volume the lab reported

Waived tests
6,000

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

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Related

Questions

What is the CLIA number for Proactive Work Health Services in Chatsworth?

05D2210747, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Proactive Work Health Services hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 05D2210747 expire?

The CMS file lists January 21, 2027 as the certificate expiration date; the certificate took effect January 22, 2025.

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