NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Geoffrey Walker, MD

Nephrology Physician in Irving, TX · enumerated 2006.

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

National Provider Identifier

1306890058

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Geoffrey Walker
Credential MD
Sex Male
Practice address 2005 W Park Dr Ste 200, Irving, TX, 75061
Fax (214) 579-6984
Enumeration date May 19, 2006
Last updated in NPPES May 6, 2021

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License F5791 (TX) Primary
MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

Other identifiers

Identifier Type State Issuer
1911275 Medicaid LA -
8864J1 Other TX BCBS
115885901 Medicaid TX -
2323067 Other TX BCBS BLUELINK

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

How do I verify Geoffrey Walker's NPI record?
Cross-check NPI 1306890058 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.
Is NPI 1306890058 active?
Yes, as of the latest NPPES snapshot, NPI 1306890058 is active (record last updated 2021-05-06).

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-06.