Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Roger E Alexander, DDS

Specialist in Dallas, TX · enumerated 2006.

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

National Provider Identifier

1437100583

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Registry record

Entity type Individual (Type 1)

Name Roger E Alexander

Credential DDS

Sex Male

Practice address 3302 Gaston Ave, Dallas, TX, 75246

Phone (214) 828-8455

Fax (214) 828-8382

Enumeration date May 13, 2006

Last updated in NPPES Jul 8, 2007

Taxonomy & licenses

174400000X Specialist Other Service Providers · License 17391 (TX) Primary

DDS · Doctor of Dental Surgery: A licensed dentist; DDS and DMD are equivalent dental degrees. About the DDS 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.

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Frequently asked questions

Is NPI 1437100583 active?

Yes, as of the latest NPPES snapshot, NPI 1437100583 is active (record last updated 2007-07-08).

How do I verify Roger Alexander's NPI record?

Cross-check NPI 1437100583 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2007-07-08.