Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Kirsten W Alcorn, MD

Blood Banking & Transfusion Medicine Physician in Washington, DC · enumerated 2005.

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

National Provider Identifier

1902896434

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Registry record

Entity type Individual (Type 1)

Name Kirsten W Alcorn

Credential MD

Sex Female

Practice address 110 Irving St Nw, Washington, DC, 20010

Phone (202) 877-6190

Fax (202) 877-3820

Enumeration date Oct 26, 2005

Last updated in NPPES Sep 11, 2025

Taxonomy & licenses

207ZB0001X Blood Banking & Transfusion Medicine Physician Allopathic & Osteopathic Physicians · License MD30269 (DC) Primary

207ZP0102X Anatomic Pathology & Clinical Pathology Physician Allopathic & Osteopathic Physicians · License MD30269 (DC) 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 specialty is Kirsten Alcorn?

Kirsten Alcorn is registered in NPPES with the primary taxonomy of Blood Banking & Transfusion 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 2025-09-11.