CLIA lab

CLIA 45D2040176: Ascension Texas Cardiovascular - Williamson

Round Rock, TX. Certificate and address details from the CMS Provider of Services file for clinical laboratories.

CLIA number 45D2040176 belongs to Ascension Texas Cardiovascular - Williamson in Round Rock, TX.

Certificate of Waiver, effective April 25, 2026, expires April 24, 2028.

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 of Waiver
Certificate effective
April 25, 2026
Certificate expiration
April 24, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
April 25, 2012
Facility type
Physician office
Ownership (control type)
Religious affiliation
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
45D2040176
Lab name
Ascension Texas Cardiovascular - Williamson
Address
301 Seton Parkway Suite 302, Round Rock, TX 78665
Phone
(512) 324-4812
Fax
(512) 324-4728

Annual test volume the lab reported

Waived tests
300

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

Other labs in Round Rock, TX

Related

Questions

What is the CLIA number for Ascension Texas Cardiovascular - Williamson in Round Rock?

45D2040176, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does Ascension Texas Cardiovascular - Williamson hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 45D2040176 expire?

The CMS file lists April 24, 2028 as the certificate expiration date; the certificate took effect April 25, 2026.

Try it on your own data today.

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