Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Dr. Mary Barrett, AUD

Audiologist in Gaithersburg, MD · enumerated 2017.

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

National Provider Identifier

1831611268

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Registry record

Entity type Individual (Type 1)

Name Dr. Mary Barrett

Credential AUD

Sex Female

Practice address 818 W Diamond Ave Ste 120, Gaithersburg, MD, 20878

Phone (301) 963-6334

Enumeration date Jul 7, 2017

Last updated in NPPES Nov 4, 2025

Taxonomy & licenses

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 1601000784 (MD) Primary

231H00000X Audiologist Speech, Language and Hearing Service Providers · License 1601000784 (MI) Secondary

AUD · Doctor of Audiology: A licensed audiologist diagnosing and treating hearing and balance disorders. About the AUD 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

How do I verify Mary Barrett's NPI record?

Cross-check NPI 1831611268 against the official CMS registry at npiregistry.cms.hhs.gov. This page mirrors the same public NPPES data with a monthly snapshot.

Is NPI 1831611268 active?

Yes, as of the latest NPPES snapshot, NPI 1831611268 is active (record last updated 2025-11-04).

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2025-11-04.