Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ms. Arlyn Elizabeth Marshall, CAC, CSAC

Addiction (Substance Use Disorder) Counselor in Annandale, VA · enumerated 2012.

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

National Provider Identifier

1467705228

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Registry record

Entity type Individual (Type 1)

Name Ms. Arlyn Elizabeth Marshall

Credential CAC, CSAC

Sex Female

Practice address 3289 Woodburn Rd Ste 300, Annandale, VA, 22003

Phone (703) 207-7554

Fax (703) 208-6025

Enumeration date Oct 18, 2012

Last updated in NPPES Oct 18, 2012

Taxonomy & licenses

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 0710000196 (VA) Primary

101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License 081177 (VA) 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 is the NPI number for Arlyn Marshall?

The National Provider Identifier (NPI) for Arlyn Marshall is 1467705228, a Type 1 (individual) record in the CMS NPPES registry.

Where does Arlyn Marshall practice?

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

Other providers at this practice address

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Nancy Gordon Addiction (Substance Use Disorder) Counselor · Annandale, VA NPI 1083958052

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2012-10-18.