Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Victoria Lynn Marxen, MD

Internal Medicine Physician in Kirkland, WA · enumerated 2005.

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

National Provider Identifier

1578545356

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Registry record

Entity type Individual (Type 1)

Name Dr. Victoria Lynn Marxen

Credential MD

Sex Female

Practice address 11521 Ne 128th St, Suite 100, Kirkland, WA, 98034

Phone (425) 899-6800

Fax (425) 899-6808

Enumeration date Nov 16, 2005

Last updated in NPPES Jun 18, 2009

Taxonomy & licenses

207R00000X Internal Medicine Physician Allopathic & Osteopathic Physicians · License MD00027223 (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
3660MA	Other	WA	BLUE SHIELD
172985	Other	WA	LABOR & INDUSTRIES
8310112	Medicaid	WA	-
P00156908	Other	WA	MEDICARE RAILROAD

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 specialty is Victoria Marxen?

Victoria Marxen is registered in NPPES with the primary taxonomy of Internal Medicine Physician. The taxonomy code describes the provider's classification and area of specialization for claims and credentialing.

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.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2009-06-18.