CLIA lab

CLIA 05D2135721: One Medical Group - Cow Hollow

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

CLIA number 05D2135721 belongs to One Medical Group - Cow Hollow in San Francisco, CA.

Certificate for Provider-Performed Microscopy Procedures, effective August 25, 2025, expires August 24, 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

Run it in Rivvi

Map your lab's test names to LOINC codes

Open in Rivvi

Free to start. Opens Rivvi, the AI workspace for healthcare teams.

Certificate

Certificate type
Certificate for Provider-Performed Microscopy Procedures
Certificate effective
August 25, 2025
Certificate expiration
August 24, 2027
Status in the CMS file
Active (termination code 00)
Original participation date
August 25, 2017
Facility type
Physician office
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Directly affiliated labs
4

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

Lab and contact

CLIA number
05D2135721
Lab name
One Medical Group - Cow Hollow
Address
1823 Union St, San Francisco, CA 94123
Phone
(888) 663-6331
Fax
(415) 291-0489

Annual test volume the lab reported

Waived tests
12,530
Provider-performed microscopy tests
675
Total
13,205

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

Affiliated CLIA numbers

Other labs in San Francisco, CA

Related

Questions

What is the CLIA number for One Medical Group - Cow Hollow in San Francisco?

05D2135721, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does One Medical Group - Cow Hollow hold?

A Certificate for Provider-Performed Microscopy Procedures, according to the CMS file.

When does CLIA 05D2135721 expire?

The CMS file lists August 24, 2027 as the certificate expiration date; the certificate took effect August 25, 2025.

Try it on your own data today.

Free to start. Most teams are using it the same day.