Recently Updated NPI Information — some details in this NPI profile have been updated in the NPI registry within the last 60 days.

NATIONAL NEPHROLOGY ASSOCIATES OF TEXAS, L.P.
NPI 1528170404
Clinic/Center - End-Stage Renal Disease (ESRD) Treatment in Austin, TX

Q: What is National Nephrology Associates Of Texas, L.P.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in End-Stage Renal Disease (ESRD) Treatment, with taxonomy code 261QE0700X.

Q: What quality rating does National Nephrology Associates Of Texas, L.P. have?

CMS rates Nna - North 3 out of 5 stars on Care Compare. The full measure detail is in the Dialysis Facility Quality section above.

Active since August 31, 2006CLIA 45D0902753 · Waiver

3/5

Overall Rating

12221 RENFERT WAY STE 100, AUSTIN, TX 78758(512) 873-0346(512) 719-4884 Get Directions Write a Review

NPPES record last updated: September 1, 2026. Verified against the NPPES registry weekly; last sync: September 06, 2026.

Record update history: Sep 1, 2026, Nov 6, 2024, Oct 16, 2023 and 2 more (5 updates tracked since 2020).

On this page

About National Nephrology Associates Of Texas, L.p. NPPES

Official registry information on file with the National Plan and Provider Enumeration System.

NATIONAL NEPHROLOGY ASSOCIATES OF TEXAS, L.P. (NPI 1528170404), doing business as Nna North, is a healthcare organization registered as an end-stage renal disease (esrd) treatment in Austin, Texas and active in the NPI registry since August 2006. The organization holds a CLIA Waiver certificate valid through June 27, 2027 and lists Denise Wright, Vice President, as its authorized official.

NPPES Registry Identity

NPI1528170404

Entity TypeOrganization

Primary Taxonomy261QE0700X

Legal Business NameNATIONAL NEPHROLOGY ASSOCIATES OF TEXAS, L.P.

Location Address12221 RENFERT WAY STE 100Austin, TX 78758-5449

Mailing Address12221 Renfert Way Ste 100Austin, TX 78758-5449 · (512) 873-0346 · Fax (512) 719-4884

Phone(512) 873-0346

Fax(512) 719-4884

Organization SubpartYesParent: Fresenius Medical Care Holdings, Inc.

Authorized OfficialDenise WrightVice President · (781) 676-5200

Enumeration DateAugust 31, 2006

Last NPPES UpdateSeptember 1, 20265 updates tracked since enumeration

NPPES CertifiedSeptember 1, 2026

✔ NPI 1528170404 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyClinic/Center · End-Stage Renal Disease (ESRD) TreatmentAmbulatory Health Care Facilities

Taxonomy Code261QE0700X

12221 RENFERT WAY STE 100, Austin, TX 78758

Open in Google Maps ↗

Other Names 1

Doing Business AsNna North

Accepted Insurance

The full list of accepted plans is on the Insurance tab. Issuers include Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan and more.Insurance ›

CLIA Laboratory Certificates CMS CLIA

Laboratory certificates issued under the Clinical Laboratory Improvement Amendments (CLIA) program, which sets federal quality standards for human laboratory testing in the United States. There is no official CMS crosswalk between CLIA and NPI numbers; these certificates are associated with this NPI by matching facility names, locations and phone numbers in the CMS CLIA registry.

Certificate of Waiver 45D0902753

National Nephrology Associates Of Texas D/B/A Nna-North · Austin, TX

Active · expires Jun 27, 2027

CLIA Number45D0902753

Laboratory TypeEnd Stage Renal Disease Dialysis Facility

Certificate Effective DateJune 28, 2025

Certificate Expiration DateJune 27, 2027

Laboratory DirectorKandice Smith

Laboratory Phone(512) 873-0643

Laboratory LocationNational Nephrology Associates Of Texas D/B/A Nna-North12221 Renfert Way Ste 100, Austin, TX 78758

CLIA data matches this NPI record on: Address Name

This certificate is issued to a laboratory to perform only waived tests.

Dialysis Facility Quality Ratings CMS Care Compare

Quality ratings, services and patient survey results for Nna - North (CMS certification number 452711), from CMS Care Compare.

Nna - North

Dialysis facility · Austin, TX

3/5 CMS RatingRating period January 2020 to December 2023

OwnershipProfit

ChainFresenius Medical Care

CMS Certification Number452711

ESRD NetworkNetwork 14

Hemodialysis Stations29

Medicare-Certified SinceJuly 19, 1995

Location12221 RENFERT WAY SUITE 100Austin, TX 78758 · Travis County

Phone(512) 873-0346

Services Offered

In-center hemodialysis Peritoneal dialysis Home hemodialysis training

Patient Survey Results

Nephrologists’ communication and caring

Patients who reported their kidney doctors always communicated well and cared for them as a person.

52% 2/5

Dialysis center care and operations

Patients who reported center staff always communicated well, kept them as comfortable as possible, behaved professionally and kept the center clean.

59% 3/5

Providing information to patients

Patients who reported their kidney doctors and center staff gave them the information they needed to care for their health.

76% 2/5

Rating of the kidney doctors

Patients who rated their kidney doctors 9 or 10 on a scale of 0 (worst) to 10 (best).

61% 2/5

Rating of the dialysis center staff

Patients who rated the center staff 9 or 10 on a scale of 0 (worst) to 10 (best).

63% 3/5

Rating of the dialysis center

Patients who rated the dialysis center 9 or 10 on a scale of 0 (worst) to 10 (best).

68% 3/5

Percentages are patients giving the best possible responses in the In-Center Hemodialysis (ICH CAHPS) patient survey. Star ratings are assigned by CMS on a one-to-five star scale; five is the highest.

Frequently Asked Questions NPPES & CMS

Common questions about this NPI record, answered from the official NPPES registry and CMS datasets shown on this page.

What is National Nephrology Associates Of Texas, L.P.'s NPI number?

The NPI number for National Nephrology Associates Of Texas, L.P. is 1528170404. It was assigned to this organization in the NPPES registry on August 31, 2006. The provider is doing business as Nna North.

Where is National Nephrology Associates Of Texas, L.P. located?

National Nephrology Associates Of Texas, L.P. is located at 12221 Renfert Way Ste 100, Austin, TX 78758. The listed phone number is (512) 873-0346.

What is National Nephrology Associates Of Texas, L.P.'s specialty?

The primary specialty registered for this NPI is Clinic/Center, specializing in End-Stage Renal Disease (ESRD) Treatment, with taxonomy code 261QE0700X.

Does National Nephrology Associates Of Texas, L.P. hold a CLIA laboratory certificate?

Yes. A Certificate of Waiver (number 45D0902753) is associated with this NPI, valid through June 27, 2027. CLIA certificates authorize laboratory testing under the federal Clinical Laboratory Improvement Amendments program.

Is National Nephrology Associates Of Texas, L.P. a Medicare-certified dialysis facility?

Yes. Nna - North is a Medicare-certified dialysis facility, certified since July 19, 1995.

What quality rating does National Nephrology Associates Of Texas, L.P. have?

CMS rates Nna - North 3 out of 5 stars on Care Compare. The full measure detail is in the Dialysis Facility Quality section above.

What insurance does National Nephrology Associates Of Texas, L.P. accept?

Health plans from Baylor Scott and White Health Plan, Blue Cross and Blue Shield of Texas, CHRISTUS Health Plan, Imperial Insurance Companies, Inc. and Oscar Health Insurance and 5 other insurers list National Nephrology Associates Of Texas, L.P. as in-network in at least one marketplace plan. Coverage varies by plan and year; verify with the insurer or the provider before a visit.

When was this NPI record last updated?

The NPPES record for National Nephrology Associates Of Texas, L.P. was last updated on September 1, 2026. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 11 days ago. If this record has changed at CMS more recently, you can request an on-demand re-check against the live CMS registry, directly from this page.