Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Alexander Charles Dunham, RBT

Behavior Technician in Vista, CA · enumerated 2018.

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

National Provider Identifier

1396215695

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Registry record

Entity type Individual (Type 1)

Name Alexander Charles Dunham

Credential RBT

Sex Male

Practice address 707 Civic Center Dr Ste 202, Vista, CA, 92084

Phone (760) 294-1206

Enumeration date Nov 29, 2018

Last updated in NPPES Nov 29, 2018

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers · License RBT-18-68411 (CA) 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 Alexander Dunham?

Alexander Dunham is registered in NPPES with the primary taxonomy of Behavior Technician. 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 2018-11-29.