Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Courtney Savannah Leerssen, M.S, BCBA
Behavior Analyst in Irving, TX · enumerated 2021.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1619552825
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Registry record
Entity type Individual (Type 1)
Name Courtney Savannah Leerssen
Credential M.S, BCBA
Sex Female
Practice address 1163 W John Carpenter Fwy, Irving, TX, 75039
Phone (972) 217-4090
Enumeration date Mar 10, 2021
Last updated in NPPES Aug 19, 2021
Taxonomy & licenses
103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-20-45474 (TX) Primary
Other identifiers
| Identifier | Type | State | Issuer |
|---|---|---|---|
| 1-20-45474 | Other | - | BACB CERTIFICATION NUMBER |
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.
Frequently asked questions
Where does Courtney Leerssen practice?
The practice location on file with NPPES is in Irving, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Courtney Leerssen?
The National Provider Identifier (NPI) for Courtney Leerssen is 1619552825, a Type 1 (individual) record in the CMS NPPES registry.
Other providers at this practice address
Browse all → Alexandra Broyles Behavior Analyst · Irving, TX NPI 1255954699 Carla Choucino Behavior Analyst · Irving, TX NPI 1295471852 Yae Lim Hwang Behavior Analyst · Irving, TX NPI 1083309439 Dora Moore Behavior Analyst · Irving, TX NPI 1518782358 Hunter Freeman Behavior Analyst · Irving, TX NPI 1346058906 Alexis Fant Behavior Analyst · Irving, TX NPI 1922950351
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2021-08-19.