Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Walter Joseph Madalinski III, AGCNS

Adult Health Clinical Nurse Specialist in Cedar Park, TX · enumerated 2019.

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

National Provider Identifier

1164067781

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Registry record

Entity type Individual (Type 1)

Name Walter Joseph Madalinski III

Credential AGCNS

Sex Male

Practice address 700a W Whitestone Blvd # A, Cedar Park, TX, 78613

Phone (512) 331-5828

Enumeration date Nov 7, 2019

Last updated in NPPES Nov 7, 2019

Taxonomy & licenses

364SA2200X Adult Health Clinical Nurse Specialist Physician Assistants & Advanced Practice Nursing Providers · License AP138658 (TX) Primary

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

Is NPI 1164067781 active?

Yes, as of the latest NPPES snapshot, NPI 1164067781 is active (record last updated 2019-11-07).

How do I verify Walter Madalinski's NPI record?

Cross-check NPI 1164067781 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2019-11-07.