Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Anthony Z Dash, MD

Nephrology Physician in Seattle, WA · enumerated 2005.

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

National Provider Identifier

1841285475

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Registry record

Entity type Individual (Type 1)

Name Anthony Z Dash

Credential MD

Sex Male

Practice address 904 7th Ave, Seattle, WA, 98104

Phone (206) 860-5575

Enumeration date Sep 20, 2005

Last updated in NPPES Apr 29, 2026

Taxonomy & licenses

207RN0300X Nephrology Physician Allopathic & Osteopathic Physicians · License MD60609653 (WA) Primary

MD · Doctor of Medicine: A physician who completed medical school (allopathic medicine), residency training, and state licensure. About the MD credential

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 1841285475 active?

Yes, as of the latest NPPES snapshot, NPI 1841285475 is active (record last updated 2026-04-29).

How do I verify Anthony Dash's NPI record?

Cross-check NPI 1841285475 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-04-29.