Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Ariann Lalla-Mohammed, MSW

Counselor in Ashburn, VA · enumerated 2021.

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

National Provider Identifier

1518550045

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Registry record

Entity type Individual (Type 1)

Name Ariann Lalla-Mohammed

Credential MSW

Sex Female

Practice address 44075 Pipeline Plz Ste 300, Ashburn, VA, 20147

Phone (703) 297-0227

Enumeration date Feb 16, 2021

Last updated in NPPES Feb 16, 2021

Taxonomy & licenses

101Y00000X Counselor Behavioral Health & Social Service Providers 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

Where does Ariann Lalla-Mohammed practice?

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

What is the NPI number for Ariann Lalla-Mohammed?

The National Provider Identifier (NPI) for Ariann Lalla-Mohammed is 1518550045, a Type 1 (individual) record in the CMS NPPES registry.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-02-16.