Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Haodong Xu, M.D., PH.D.

Anatomic Pathology Physician in Seattle, WA · enumerated 2006.

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

National Provider Identifier

1639181563

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Registry record

Entity type Individual (Type 1)

Name Haodong Xu

Credential M.D., PH.D.

Sex Male

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

Phone (206) 520-5000

Enumeration date Aug 12, 2006

Last updated in NPPES Jul 21, 2022

Taxonomy & licenses

207ZP0101X Anatomic Pathology Physician Allopathic & Osteopathic Physicians · License MD60726635 (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
1639181563	Medicaid	WA	-
8966672	Other	WA	MEDICARE PIN

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 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 Haodong Xu?

Haodong Xu is registered in NPPES with the primary taxonomy of Anatomic 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 2022-07-21.