Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Mark Andrew Dixon, LCSW

Clinical Social Worker in Travis Afb, CA · enumerated 2007.

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

National Provider Identifier

1679624787

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Registry record

Entity type Individual (Type 1)

Name Mark Andrew Dixon

Credential LCSW

Sex Male

Practice address 101 Bodin Cir, Travis Afb, CA, 94535

Phone (707) 423-5174

Enumeration date Jan 15, 2007

Last updated in NPPES Apr 3, 2026

Taxonomy & licenses

1041C0700X Clinical Social Worker Behavioral Health & Social Service Providers · License 6635745-3501 (UT) Primary

LCSW · Licensed Clinical Social Worker: A social worker licensed for clinical practice including mental-health therapy. About the LCSW 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

Is NPI 1679624787 active?

Yes, as of the latest NPPES snapshot, NPI 1679624787 is active (record last updated 2026-04-03).

How do I verify Mark Dixon's NPI record?

Cross-check NPI 1679624787 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 2026-04-03.