Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ashley B Johnson, MD

Emergency Medicine Physician in Seattle, WA · enumerated 2006.

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

National Provider Identifier

1841360294

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Registry record

Entity type Individual (Type 1)

Name Ashley B Johnson

Credential MD

Sex Male

Practice address 201 16th Ave E, Seattle, WA, 98112

Phone (206) 326-3000

Fax (877) 515-2975

Enumeration date Nov 9, 2006

Last updated in NPPES Mar 19, 2025

Taxonomy & licenses

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License MD60012956 (WA) Primary

207P00000X Emergency Medicine Physician Allopathic & Osteopathic Physicians · License 232511 (NY) Secondary

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

What is the NPI number for Ashley Johnson?

The National Provider Identifier (NPI) for Ashley Johnson is 1841360294, a Type 1 (individual) record in the CMS NPPES registry.

Where does Ashley Johnson practice?

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

Other providers at this practice address

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-03-19.