CLIA lab
CLIA 05D2084644: Proactive Work Health Services
El Segundo, CA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 05D2084644 belongs to Proactive Work Health Services in El Segundo, CA.
Certificate of Waiver, effective September 26, 2024, expiration date September 25, 2026.
The CMS file posted October 16, 2026 lists the certificate as active, but its expiration date has passed. A renewal may not be in this file yet.
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
- September 26, 2024
- Certificate expiration
- September 25, 2026
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- September 26, 2014
- 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
- 05D2084644
- Lab name
- Proactive Work Health Services
- Address
- 920 N Nash St, El Segundo, CA 90245
- Phone
- (310) 321-5500
- Fax
- (310) 321-5505
Annual test volume the lab reported
- Waived tests
- 1,200
Volumes are what the lab reported to CMS on its CMS-116 application, as carried in the file.
Other labs in El Segundo, CA
- Boeing CompanyCertificate of Waiver, Other05D0862487
- Cedars-Sinai Medical Care FoundationCertificate of Waiver, Physician office05D0979068
- Chan Soon-Shiong Institute for MedicineCertificate of Accreditation, Physician office05D2144811
- Chevron Refinery Clinic -El SegundoCertificate of Waiver, Industrial05D0689540
- Concentra - El Segundo LaxCertificate of Waiver, Physician office05D0903814
- El Segundo Dermatology IncCertificate of Compliance, Physician office05D2113648
- El Segundo Endoscopy Center LLCCertificate of Waiver, Ambulatory surgery center05D2264119
- Goodlife Physical MedicineCertificate of Waiver, Physician office05D2188514
- Love Life MedicalCertificate of Waiver, Physician office05D2307224
- Michael F Mellman MDCertificate of Waiver, Physician office05D0975505
Related
Questions
What is the CLIA number for Proactive Work Health Services in El Segundo?
05D2084644, 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 05D2084644 expire?
The CMS file lists September 25, 2026 as the certificate expiration date; the certificate took effect September 26, 2024.