Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Kathleen Dawn Cortelyou
Behavior Analyst in Grapevine, TX · enumerated 2023.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1245926633
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Registry record
Entity type Individual (Type 1)
Name Kathleen Dawn Cortelyou
Sex Female
Practice address 2701 N Grapevine Mills Blvd Apt 1128, Grapevine, TX, 76051
Phone (817) 606-7706
Enumeration date Apr 18, 2023
Last updated in NPPES Apr 18, 2023
Taxonomy & licenses
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 Kathleen Cortelyou practice?
The practice location on file with NPPES is in Grapevine, TX. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Kathleen Cortelyou?
The National Provider Identifier (NPI) for Kathleen Cortelyou is 1245926633, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2023-04-18.