Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Aaron Gallagher, MD

Neurology Physician in Seattle, WA · enumerated 2022.

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

National Provider Identifier

1912641051

Verified

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Registry record

Entity type Individual (Type 1)

Name Aaron Gallagher

Credential MD

Sex Male

Practice address Main Hospital 1959 Ne Pacific St 8th Floor, Seattle, WA, 98195

Phone (206) 598-7688

Enumeration date Apr 25, 2022

Last updated in NPPES Apr 25, 2022

Taxonomy & licenses

2084N0400X Neurology Physician Allopathic & Osteopathic Physicians · License MDRE.ML.61294860 (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

Where does Aaron Gallagher practice?

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

What is the NPI number for Aaron Gallagher?

The National Provider Identifier (NPI) for Aaron Gallagher is 1912641051, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-04-25.