Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sydney Elizabeth Vallejos

Speech-Language Pathologist in Gaithersburg, MD · enumerated 2021.

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

National Provider Identifier

1982377867

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Registry record

Entity type Individual (Type 1)

Name Sydney Elizabeth Vallejos

Sex Female

Practice address 362 Christopher Ave Ste A, Gaithersburg, MD, 20879

Phone (240) 410-3209

Enumeration date Jul 27, 2021

Last updated in NPPES May 15, 2024

Taxonomy & licenses

235Z00000X Speech-Language Pathologist Speech, Language and Hearing Service Providers · License 02346L (MD) 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 Sydney Vallejos practice?

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

What is the NPI number for Sydney Vallejos?

The National Provider Identifier (NPI) for Sydney Vallejos is 1982377867, 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 2024-05-15.