Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Caitriona Ryan, MB BCH BAO

Dermatology Physician in Dallas, TX · enumerated 2010.

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

National Provider Identifier

1437470077

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Registry record

Entity type Individual (Type 1)

Name Dr. Caitriona Ryan

Credential MB BCH BAO

Sex Female

Practice address 3900 Junius St, Suite 145, Dallas, TX, 75246

Phone (469) 321-6764

Enumeration date Jun 17, 2010

Last updated in NPPES Jul 7, 2014

Taxonomy & licenses

207N00000X Dermatology Physician Allopathic & Osteopathic Physicians · License P8185 (TX) Primary

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.

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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 Caitriona Ryan?

Caitriona Ryan is registered in NPPES with the primary taxonomy of Dermatology 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 2014-07-07.