Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Stephanie Marcy, BCBA, LBA

Behavior Analyst in Saint Charles, MO · enumerated 2012.

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

National Provider Identifier

1740524081

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Registry record

Entity type Individual (Type 1)

Name Stephanie Marcy

Credential BCBA, LBA

Sex Female

Practice address 278 Vivaron Ave, Saint Charles, MO, 63303

Phone (301) 980-0281

Fax (636) 265-0407

Enumeration date Nov 26, 2012

Last updated in NPPES Aug 22, 2013

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 2012039558 (MO) 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 Stephanie Marcy practice?

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

What is the NPI number for Stephanie Marcy?

The National Provider Identifier (NPI) for Stephanie Marcy is 1740524081, a Type 1 (individual) record in the CMS NPPES registry.

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2013-08-22.