Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander Katz

Internal Medicine Physician in Everett, WA · enumerated 2017.

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

National Provider Identifier

1295276558

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Registry record

Entity type Individual (Type 1)

Name Alexander Katz

Sex Male

Practice address 1321 Colby Ave Fl 3, Everett, WA, 98201

Phone (425) 261-2000

Fax (425) 261-4078

Enumeration date Mar 19, 2017

Last updated in NPPES Jul 8, 2026

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License 321861 (LA) Secondary

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD61140399 (WA) Primary

208M00000X Hospitalist Physician Allopathic & Osteopathic Physicians · License 321861 (LA) Secondary

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 the NPI number for Alexander Katz?

The National Provider Identifier (NPI) for Alexander Katz is 1295276558, a Type 1 (individual) record in the CMS NPPES registry.

Where does Alexander Katz practice?

The practice location on file with NPPES is in Everett, WA. Providers can have multiple locations; NPPES lists the primary practice address.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-07-08.