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
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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.
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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.