Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum Sole proprietor

Miss Mary Trigsted, M.A., BCBA

Behavior Analyst in Herndon, VA · enumerated 2023 · practices at Autism First, LLC.

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

National Provider Identifier

1578267183

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Registry record

Entity type Individual (Type 1)

Name Miss Mary Trigsted

Credential M.A., BCBA

Sex Female

Practice address Herndon, VA, 20170

Phone (703) 496-4371

Enumeration date Mar 28, 2023

Last updated in NPPES Mar 28, 2023

Street address withheld: NPPES sole-proprietor addresses can be home addresses. See our data policy.

Taxonomy & licenses

103K00000X Behavior Analyst 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.

Read the full guide → Validate an NPI →

Frequently asked questions

Where does Mary Trigsted practice?

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

What is the NPI number for Mary Trigsted?

The National Provider Identifier (NPI) for Mary Trigsted is 1578267183, 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 2023-03-28.