Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Delbert Matthew Maddox, DO

Orthopaedic Surgery Physician in Glendale, AZ · enumerated 2006.

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

National Provider Identifier

1871564294

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Registry record

Entity type Individual (Type 1)

Name Delbert Matthew Maddox

Credential DO

Sex Male

Practice address 4344 W Bell Road, Suite #102, Glendale, AZ, 85308

Phone (602) 588-4040

Fax (602) 588-4034

Enumeration date Feb 1, 2006

Last updated in NPPES Aug 16, 2016

Taxonomy & licenses

207X00000X Orthopaedic Surgery Physician Allopathic & Osteopathic Physicians · License 2684 (AZ) Primary

DO · Doctor of Osteopathic Medicine: A fully licensed physician trained in osteopathic medical schools, with the same practice rights as an MD. About the DO 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 is the NPI number for Delbert Maddox?

The National Provider Identifier (NPI) for Delbert Maddox is 1871564294, a Type 1 (individual) record in the CMS NPPES registry.

Where does Delbert Maddox practice?

The practice location on file with NPPES is in Glendale, AZ. Providers can have multiple locations; NPPES lists the primary practice address.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2016-08-16.