Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mr. Henry Dudley Ellington III, P.A.C.

Physician Assistant in Phoenix, AZ · enumerated 2005.

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

National Provider Identifier

1316921992

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Registry record

Entity type Individual (Type 1)

Name Mr. Henry Dudley Ellington III

Credential P.A.C.

Sex Male

Practice address 1701 E Thomas Rd, Suite A-104, Phoenix, AZ, 85016

Phone (888) 381-4858

Enumeration date Dec 6, 2005

Last updated in NPPES Oct 17, 2013

Taxonomy & licenses

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License 5574 (AZ) Primary

363A00000X Physician Assistant Physician Assistants & Advanced Practice Nursing Providers · License AMD-132 (HI) 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 Henry Ellington?

Henry Ellington 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 2013-10-17.