Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Abbye Elizabeth Mcewen, M.D.

Molecular Genetic Pathology (Pathology) Physician in Seattle, WA · enumerated 2015.

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

National Provider Identifier

1578954665

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Registry record

Entity type Individual (Type 1)

Name Dr. Abbye Elizabeth Mcewen

Credential M.D.

Sex Female

Practice address 1959 Ne Pacific St, Box 356100, Seattle, WA, 98195

Phone (206) 543-1140

Fax (206) 543-3644

Enumeration date Feb 10, 2015

Last updated in NPPES May 3, 2021

Taxonomy & licenses

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License MDRE.ML.60668490 (WA) Secondary

207ZP0007X Molecular Genetic Pathology (Pathology) Physician Allopathic & Osteopathic Physicians · License MD61036764 (WA) Primary

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

Other identifiers

Identifier	Type	State	Issuer
1578954665	Medicaid	WA	-

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.

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Frequently asked questions

Is this the official NPI registry?

No. NPI Portal is a private site built on public CMS NPPES data. The official registry is npiregistry.cms.hhs.gov, operated by CMS.

What specialty is Abbye Mcewen?

Abbye Mcewen is registered in NPPES with the primary taxonomy of Molecular Genetic Pathology (Pathology) Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-05-03.