KIDNEY ASSOCIATES, PLLC
NPI 1023146560
Internal Medicine - Nephrology in Houston, TX

Active since February 28, 2007CLIA Certified · 3 labs
6560 FANNIN ST STE 1730, HOUSTON, TX 77030(713) 795-5511(713) 795-4627 Get Directions Write a Review

NPPES record last updated: October 30, 2022. Verified against the NPPES registry weekly; last sync: November 08, 2026.

Record update history: Oct 30, 2022, Jul 21, 2022, Feb 4, 2022 and 4 more (7 updates tracked since 2018).

About Kidney Associates, Pllc NPPES

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

KIDNEY ASSOCIATES, PLLC (NPI 1023146560) is a healthcare organization registered as a nephrology in Houston, Texas and active in the NPI registry since February 2007. The organization holds 3 active CLIA laboratory certificates, maintains 3 additional practice locations, and lists Stephen Zale Fadem, Chief M.d., as its authorized official.

NPPES Registry Identity

NPI1023146560
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameKIDNEY ASSOCIATES, PLLC
Location Address6560 FANNIN ST STE 1730Houston, TX 77030-2735
Mailing AddressPo Box 300970Houston, TX 77230-0970 · (713) 795-5511 · Fax (713) 795-4627
Fax(713) 795-4627
Organization SubpartNo
Authorized OfficialStephen Zale FademChief M.d. · (713) 795-5511
Enumeration DateFebruary 28, 2007
Last NPPES UpdateOctober 30, 20227 updates tracked since enumeration
NPPES CertifiedOctober 26, 2022
✔ NPI 1023146560 is a valid, active identifier and passes the ISO check-digit test.

Specialties & Licenses

★ Primary SpecialtyInternal Medicine · NephrologyAllopathic & Osteopathic Physicians
Taxonomy Code207RN0300X
Definition
An internist who treats disorders of the kidney, high blood pressure, fluid and mineral balance and dialysis of body wastes when the kidneys do not function. This specialist consults with surgeons about kidney transplantation.
6560 FANNIN ST STE 1730, Houston, TX 77030

Secondary Practice Locations 3

Location 11250 Creek Way Dr Ste 200Sugar Land, TX 77478-3399 · Phone (281) 265-6564 · Fax (281) 265-8299
Location 210970 Shadow Creek Pkwy Ste 220Pearland, TX 77584-0102 · Phone (281) 265-6564 · Fax (281) 265-8299
Location 31631 North Loop W Ste 640Houston, TX 77008-1598 · Phone (713) 795-5511 · Fax (713) 795-4627

Other Identifiers 1

Medicaid092271803TX

Group Practice 1

Group TaxonomyThis provdier is a business group of one or more individual practitioners, all of who practice with the same area of specialization.193400000X SINGLE SPECIALTY GROUP

Medicare Participation & PECOS CMS

Medicare enrollment, revalidation and the clinicians who bill Medicare through this organization, from CMS.

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Kidney Associates, Pllc is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Medicare Revalidation Due Date

Revalidation due by February 28, 2027

Medicare-enrolled providers and suppliers confirm their enrollment information with CMS on a set cycle, every 5 years for most and every 3 years for medical equipment suppliers. CMS sets the due date for each enrollment.

StateEnrollment IDDue date
StateTexasEnrollment IDO20040518000809Non-DME Part B · Clinic/Group PracticeDue dateFebruary 28, 2027
Source: CMS Revalidation Due Date List, October 2026 release.

Clinicians Billing Medicare Through This Organization

8

Medicare enrollment records show 8 clinicians reassign Medicare billing to Kidney Associates, PLLC, which bills Medicare for the services they deliver. Of these, 6 practice at this address and 7 within 10 miles. They are listed nearest first.

Clinicians, nearest first (8)

Nephrology
NPI 1144224163
6560 FANNIN ST STE 1730
Houston, TX 77030
(713) 795-5511
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1609051853
6560 FANNIN ST STE 1730
Houston, TX 77030
(713) 691-0107
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1609050970
6560 FANNIN ST STE 1730
Houston, TX 77030
(713) 795-5511
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1255336012
6560 FANNIN ST STE 1730
Houston, TX 77030
(713) 795-5511
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1891728168
6560 FANNIN ST STE 1730
Houston, TX 77030
(713) 795-5511
✔ PECOS✔ Accepts MedicareSame address
Nephrology
NPI 1811134281
6560 FANNIN ST STE 1730
Houston, TX 77030
(713) 795-5511
✔ PECOSSame address
Internal Medicine
NPI 1255335279
6624 FANNIN ST SUITE 1400
Houston, TX 77030
(713) 795-5511
✔ PECOS✔ Accepts Medicare0.1 mi
Nurse Practitioner
NPI 1821881673
5822 LIMESTONE RIDGE LN
Richmond, TX 77469
(434) 203-8965
✔ PECOS24 mi

Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

CLIA Laboratory Certificates CMS CLIA 3

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 45D2150920

Kidney Associates, PLLC · Pearland, TX
Active · expires Jul 5, 2028
CLIA Number45D2150920
Laboratory TypePhysician Office
Certificate Effective DateJuly 6, 2026
Certificate Expiration DateJuly 5, 2028
Laboratory DirectorStephen Fadem
Laboratory Phone(713) 795-5511
Laboratory LocationKidney Associates, PLLC10970 Shadow Creek Pkwy Suite 220, Pearland, TX 77584
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D1048676

Kidney Associates PLLC · Houston, TX
Active · expires Dec 6, 2027
CLIA Number45D1048676
Laboratory TypePhysician Office
Certificate Effective DateDecember 7, 2025
Certificate Expiration DateDecember 6, 2027
Laboratory DirectorStephen Z. Fadem
Laboratory Phone(713) 795-5511
Laboratory LocationKidney Associates PLLC6560 Fannin St, Suite 1730, Houston, TX 77030
CLIA data matches this NPI record on: Address Name Phone
This certificate is issued to a laboratory to perform only waived tests.

Certificate of Waiver 45D2072726

Kidney Associates PLLC · Sugar Land, TX
Active · expires Feb 3, 2028
CLIA Number45D2072726
Laboratory TypePhysician Office
Certificate Effective DateFebruary 4, 2026
Certificate Expiration DateFebruary 3, 2028
Laboratory DirectorWasae Tabibi
Laboratory Phone(713) 691-0107
Laboratory LocationKidney Associates PLLC1250 Creekway Drive Suite 200, Sugar Land, TX 77478
CLIA data matches this NPI record on: Name
This certificate is issued to a laboratory to perform only waived tests.

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 Kidney Associates, PLLC's NPI number?

The NPI number for Kidney Associates, PLLC is 1023146560. It was assigned to this organization in the NPPES registry on February 28, 2007.

Where is Kidney Associates, PLLC located?

Kidney Associates, PLLC is located at 6560 Fannin St Ste 1730, Houston, TX 77030. The listed phone number is (713) 795-5511.

What is Kidney Associates, PLLC's specialty?

The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.

Is Kidney Associates, PLLC enrolled in Medicare?

Yes. Kidney Associates, PLLC is registered in the Medicare PECOS enrollment system.

When is Kidney Associates, PLLC's Medicare revalidation due?

According to the CMS Revalidation Due Date List (October 2026 release), the Medicare Non-DME Part B enrollment for this organization (Texas, Clinic/Group Practice) is due for revalidation by February 28, 2027. Medicare providers and suppliers revalidate their enrollment every 5 years, and medical equipment suppliers every 3 years. Confirm current requirements with your Medicare Administrative Contractor.

How many clinicians bill Medicare through Kidney Associates, PLLC?

According to the CMS Revalidation Reassignment List (October 2026 release), 8 clinicians in 3 Medicare specialties reassign their Medicare billing to Kidney Associates, PLLC. A reassignment is filed with Medicare on form CMS-855R, signed by both the clinician and the organization, and lets the organization bill Medicare and receive payment for the clinician's services. The largest specialties are Nephrology (6), Internal Medicine (1) and Nurse Practitioner (1). Of these, 6 practice at this address and 7 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

Does Kidney Associates, PLLC hold CLIA laboratory certificates?

Yes. 3 active CLIA laboratory certificates are associated with this NPI under the federal Clinical Laboratory Improvement Amendments program. The certificates are listed in the CLIA Laboratory Certificates section above.

When was this NPI record last updated?

The NPPES record for Kidney Associates, PLLC was last updated on October 30, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 4 years 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.