CLIA lab
CLIA 05D2324050: Optumserve-Sonoma Labtestsite-Oldcourthousesq, the
Santa Rosa, CA. Certificate and address details from the CMS Provider of Services file for clinical laboratories.
CLIA number 05D2324050 belongs to Optumserve-Sonoma Labtestsite-Oldcourthousesq, the in Santa Rosa, CA.
Certificate of Waiver, effective May 16, 2025, expires May 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 Waiver
- Certificate effective
- May 16, 2025
- Certificate expiration
- May 15, 2027
- Status in the CMS file
- Active (termination code 00)
- Original participation date
- May 16, 2025
- Facility type
- Independent
- 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
- 05D2324050
- Lab name
- Optumserve-Sonoma Labtestsite-Oldcourthousesq, the
- Address
- 50 Old Courthouse Square, Santa Rosa, CA 95404
- Phone
- (210) 287-9763
- Fax
- (608) 793-2900
Annual test volume the lab reported
- Waived tests
- 75,000
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 Optumserve-Sonoma Labtestsite-Oldcourthousesq, the in Santa Rosa?
05D2324050, per the CMS Provider of Services file posted October 16, 2026.
What CLIA certificate does Optumserve-Sonoma Labtestsite-Oldcourthousesq, the hold?
A Certificate of Waiver, according to the CMS file.
When does CLIA 05D2324050 expire?
The CMS file lists May 15, 2027 as the certificate expiration date; the certificate took effect May 16, 2025.