Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Madelyn O'Leary, PA-C

Physician Assistant in Falls Church, VA · enumerated 2017.

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

National Provider Identifier

1093226680

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Registry record

Entity type Individual (Type 1)

Name Madelyn O'Leary

Credential PA-C

Sex Female

Practice address 2755 Hartland Rd Ste 300, Falls Church, VA, 22043

Phone (703) 544-8971

Fax (703) 562-6994

Enumeration date Oct 23, 2017

Last updated in NPPES Jan 21, 2026

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License PA031412 (DC) Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 0110006574 (VA) Secondary

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 Madelyn O'Leary?

Madelyn O'Leary is registered in NPPES with the primary taxonomy of Physician Assistant. 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 2026-01-21.