NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Sophie N/A Altmejd

Behavior Analyst in Southlake, TX · enumerated 2021 · practices at Willow Aba Services LLC.

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

National Provider Identifier

1942875000

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Sophie N/A Altmejd
Sex Female
Practice address 2815 Exchange Blvd Ste 100, Southlake, TX, 76092
Phone (855) 444-5664
Enumeration date May 21, 2021
Last updated in NPPES Dec 20, 2022

Taxonomy & licenses

106S00000X Behavior Technician Behavioral Health & Social Service Providers Secondary
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

What is the NPI number for Sophie Altmejd?
The National Provider Identifier (NPI) for Sophie Altmejd is 1942875000, a Type 1 (individual) record in the CMS NPPES registry.
Where does Sophie Altmejd practice?
The practice location on file with NPPES is in Southlake, TX. Providers can have multiple locations; NPPES lists the primary practice address.

Other providers at this practice address

Browse all →

Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2022-12-20.