NEPHROLOGY DIALYSIS AND TRANSPLANTATION ASSOCIATES PA
NPI 1437104429
Internal Medicine - Nephrology in Houston, TX
About Nephrology Dialysis And Transplantation Associates Pa NPPES
Official registry information on file with the National Plan and Provider Enumeration System.
NEPHROLOGY DIALYSIS AND TRANSPLANTATION ASSOCIATES PA (NPI 1437104429) is a healthcare organization registered as a nephrology in Houston, Texas and active in the NPI registry since May 2006. The organization lists George M Nassar, President, as its authorized official.
NPPES Registry Identity
Specialties & Licenses
Other Identifiers 3
Group Practice 1
Accepted Insurance
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)
Nephrology Dialysis And Transplantation Associates Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).
Medicare Revalidation Due Date
Revalidation due by November 30, 2026
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.
Clinicians Billing Medicare Through This Organization
19Medicare enrollment records show 19 clinicians reassign Medicare billing to Nephrology Dialysis And Transplantation Associates PA, which bills Medicare for the services they deliver. Of these, 5 practice at this address and 8 within 10 miles. They are listed nearest first.
Clinicians by Medicare Specialty 5
Clinicians, nearest first (19)
Houston, TX 77090
Source: CMS Revalidation Reassignment List, October 2026 release. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
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 Nephrology Dialysis And Transplantation Associates PA's NPI number?
The NPI number for Nephrology Dialysis And Transplantation Associates PA is 1437104429. It was assigned to this organization in the NPPES registry on May 24, 2006.
Where is Nephrology Dialysis And Transplantation Associates PA located?
Nephrology Dialysis And Transplantation Associates PA is located at 6560 Fannin St Ste 1824, Houston, TX 77030. The listed phone number is (713) 790-9080.
What is Nephrology Dialysis And Transplantation Associates PA's specialty?
The primary specialty registered for this NPI is Internal Medicine, specializing in Nephrology, with taxonomy code 207RN0300X.
Is Nephrology Dialysis And Transplantation Associates PA enrolled in Medicare?
Yes. Nephrology Dialysis And Transplantation Associates PA is registered in the Medicare PECOS enrollment system.
When is Nephrology Dialysis And Transplantation Associates PA'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 November 30, 2026. 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 Nephrology Dialysis And Transplantation Associates PA?
According to the CMS Revalidation Reassignment List (October 2026 release), 19 clinicians in 5 Medicare specialties reassign their Medicare billing to Nephrology Dialysis And Transplantation Associates PA. 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 (13), Nurse Practitioner (3) and Clinical Social Worker (1). Of these, 5 practice at this address and 8 within 10 miles. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.
What insurance does Nephrology Dialysis And Transplantation Associates PA accept?
Health plans from WellPoint list Nephrology Dialysis And Transplantation Associates PA 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 Nephrology Dialysis And Transplantation Associates PA was last updated on November 22, 2022. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 3 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.
# Nephrology Dialysis And Transplantation Associates Pa · NPI 1437104429
Nephrology organization in Houston, Texas. Organization record, active in the CMS NPPES registry since May 24, 2006.
## Identity
- **NPI:** 1437104429 (Entity type: Organization)
- **Enumerated:** May 24, 2006
- **Primary specialty:** Internal Medicine - Nephrology · taxonomy 207RN0300X
- **Organization subpart:** No
- **Authorized official:** George Nassar, PRESIDENT
## Practice location
- **Address:** 6560 FANNIN ST STE 1824, Houston, TX 77030-2735
- **Phone:** (713) 790-9080 · **Fax:** (713) 335-4281
## Medicare
- **Medicare:** Enrolled in Medicare (PECOS)
- **Medicare revalidation due:** November 30, 2026 (Non-DME Part B, Texas, Clinic/Group Practice) · CMS Revalidation Due Date List, October 2026 release
- **Clinicians billing through this organization:** 19 clinicians in 5 Medicare specialties reassign Medicare billing to this organization (form CMS-855R); largest: Nephrology (13), Nurse Practitioner (3), Clinical Social Worker (1); 5 practice at this address and 8 within 10 miles · CMS Revalidation Reassignment List, October 2026 release
## Record status
- **NPPES last updated:** November 22, 2022
- **Other identifiers:** Medicaid 081304001 (TX); Other CH4817 (TX); Other 00875N (TX)
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Source: [NPI Profile](https://npiprofile.com/npi/1437104429) · Data from the CMS NPPES public registry.