1. Home
  2. Directory
  3. Texas
  4. Houston
  5. Internal Medicine
  6. NPI Profile

NORTHWEST NEPHROLOGY ASSOCIATES PA
NPI 1184892432
Internal Medicine - Nephrology in Houston, TX

Active since February 20, 2008
212 E CROSSTIMBERS ST STE 170, HOUSTON, TX 77022(713) 692-0518(713) 692-7697 Get Directions Write a Review

NPPES record last updated: September 4, 2025. Verified against the NPPES registry weekly; last sync: October 25, 2026.

Record update history: Sep 4, 2025, Jan 20, 2016 (2 updates tracked since 2016).

About Northwest Nephrology Associates Pa NPPES

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

NORTHWEST NEPHROLOGY ASSOCIATES PA (NPI 1184892432), doing business as Ramachandra Malya, Md, is a healthcare organization registered as a nephrology in Houston, Texas and active in the NPI registry since February 2008. The organization lists Ramachandra Malya, Authorized Official, as its authorized official.

NPPES Registry Identity

NPI1184892432
Entity TypeOrganization
Primary Taxonomy207RN0300X
Legal Business NameNORTHWEST NEPHROLOGY ASSOCIATES PA
Location Address212 E CROSSTIMBERS ST STE 170Houston, TX 77022-4464
Mailing Address212 E Crosstimbers St Ste 170Houston, TX 77022-4464 · (713) 692-0518 · Fax (713) 692-7697
Phone(713) 692-0518
Fax(713) 692-7697
Organization SubpartNo
Authorized OfficialRamachandra MalyaAuthorized Official · (713) 692-0518
Enumeration DateFebruary 20, 2008
Last NPPES UpdateSeptember 4, 20252 updates tracked since enumeration
NPPES CertifiedSeptember 4, 2025
✔ NPI 1184892432 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.
212 E CROSSTIMBERS ST STE 170, Houston, TX 77022
Open in Google Maps ↗

Other Names 1

Doing Business AsRamachandra Malya, Md

Other Identifiers 2

Medicaid080668901TX
Other390003961TX · Medicare Railroad

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

Medicare Enrollment Status

✔

Enrolled in Medicare (PECOS)

Northwest Nephrology Associates Pa is registered in the CMS Provider Enrollment, Chain and Ownership System (PECOS).

Clinicians Billing Medicare Through This Organization

Medicare enrollment records show 1 clinician reassigns Medicare billing to Northwest Nephrology Associates PA, which bills Medicare for the services this clinician delivers.

Clinician (1)

Ramachandra Malya, M. D.
Nephrology
NPI 1235171729
212 E CROSSTIMBERS ST 170
Houston, TX 77022
(713) 692-0518
✔ PECOSSame address

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

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 45D2085503

Northwest Nephorology Associates PA · Houston, TX
Expired · Oct 14, 2026
CLIA Number45D2085503
Laboratory TypePhysician Office
Certificate Effective DateOctober 15, 2024
Certificate Expiration DateOctober 14, 2026
Laboratory DirectorMalya Ramachandra
Laboratory Phone(713) 692-0518
Laboratory LocationNorthwest Nephorology Associates PA212 E Crosstimbers St Ste 170, Houston, TX 77022
CLIA data matches this NPI record on: Address Phone
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 Northwest Nephrology Associates PA's NPI number?

The NPI number for Northwest Nephrology Associates PA is 1184892432. It was assigned to this organization in the NPPES registry on February 20, 2008. The provider is doing business as Ramachandra Malya, MD.

Where is Northwest Nephrology Associates PA located?

Northwest Nephrology Associates PA is located at 212 E Crosstimbers St Ste 170, Houston, TX 77022. The listed phone number is (713) 692-0518.

What is Northwest Nephrology Associates PA's specialty?

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

Is Northwest Nephrology Associates PA enrolled in Medicare?

Yes. Northwest Nephrology Associates PA is registered in the Medicare PECOS enrollment system.

How many clinicians bill Medicare through Northwest Nephrology Associates PA?

According to the CMS Revalidation Reassignment List (October 2026 release), 1 clinician (Nephrology) reassigns their Medicare billing to Northwest Nephrology 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. Reassignment records can lag staffing changes; confirm a current affiliation with the organization.

When was this NPI record last updated?

The NPPES record for Northwest Nephrology Associates PA was last updated on September 4, 2025. NPI Profile syncs weekly with the NPPES registry data releases published by CMS. This NPI record was last updated 13 months 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.