CLIA lab

CLIA 45D0946639: National Nephrology Associates of Texas LP

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

CLIA number 45D0946639 belongs to National Nephrology Associates of Texas LP in Round Rock, TX.

Certificate of Waiver, effective May 29, 2026, expires May 28, 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
May 29, 2026
Certificate expiration
May 28, 2028
Status in the CMS file
Active (termination code 00)
Original participation date
May 29, 1998
Facility type
End stage renal disease dialysis facility
Ownership (control type)
Proprietary
Lab classification
CLIA laboratory
Directly affiliated labs
2

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

Lab and contact

CLIA number
45D0946639
Lab name
National Nephrology Associates of Texas LP
Additional name
DBA Nna Round Rock
Address
1499 East Old Settlers Blvd Ste A, Round Rock, TX 78664
Phone
(512) 671-8012
Fax
(512) 671-9015

Annual test volume the lab reported

Waived tests
875

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

Care facility at this address

  • Nna - RoundrockCMS Care Compare ratings for the facility at the same street address

Affiliated CLIA numbers

Other labs in Round Rock, TX

Related

Questions

What is the CLIA number for National Nephrology Associates of Texas LP in Round Rock?

45D0946639, per the CMS Provider of Services file posted October 16, 2026.

What CLIA certificate does National Nephrology Associates of Texas LP hold?

A Certificate of Waiver, according to the CMS file.

When does CLIA 45D0946639 expire?

The CMS file lists May 28, 2028 as the certificate expiration date; the certificate took effect May 29, 2026.

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