Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Kevin Allen Ostrowski, M.D.

Urology Physician in Kirkland, WA · enumerated 2009.

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

National Provider Identifier

1033352794

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Registry record

Entity type Individual (Type 1)

Name Dr. Kevin Allen Ostrowski

Credential M.D.

Sex Male

Practice address 11911 Ne 132nd St, Kirkland, WA, 98034

Phone (425) 899-5800

Enumeration date Apr 10, 2009

Last updated in NPPES Jan 9, 2020

Taxonomy & licenses

208800000X Urology Physician Allopathic & Osteopathic Physicians · License MD60543753 (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
1033352794	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.

Read the full guide → Validate an NPI →

Frequently asked questions

What specialty is Kevin Ostrowski?

Kevin Ostrowski is registered in NPPES with the primary taxonomy of Urology 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 2020-01-09.