NPI Portal NPI Lookup & Verification

Type 2 · Organization ✓ Active NPI ✓ Valid NPI checksum

Northwest Kidney Specialists, Pllc

Nephrology Physician in Cypress, TX · enumerated 2014 · authorized official Sumiko Armstead, Physician.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1700294832

Verified

See something wrong? Report a correction

Registry record

Entity type Organization (Type 2)
Legal business name Northwest Kidney Specialists, Pllc
Practice address 27700 Northwest Fwy, Suite 330, Cypress, TX, 77433
Enumeration date Aug 1, 2014
Last updated in NPPES Sep 21, 2022

Taxonomy & classification

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License N4916 (TX) Secondary
207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License N4916 (TX) Primary

Authorized official

Name Sumiko Armstead
Title Physician

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

Read the full guide → Validate an NPI →

Frequently asked questions

What is a Type 2 NPI?
A Type 2 NPI identifies an organization (group practice, hospital, pharmacy, lab), while Type 1 NPIs identify individual providers. Organizations bill under their Type 2 NPI.
What type of organization is Northwest Kidney Specialists, Pllc?
Northwest Kidney Specialists, Pllc is registered in NPPES as a Nephrology Physician (its primary provider taxonomy).

Providers at this address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-09-21.