NPI Portal NPI Lookup & Verification

Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum

Hannah Mendelsohn, M.S., BCBA

Behavior Analyst in Gardena, CA · enumerated 2016.

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

National Provider Identifier

1225495492

Verified

See something wrong? Report a correction

Registry record

Entity type Individual (Type 1)
Name Hannah Mendelsohn
Credential M.S., BCBA
Sex Female
Practice address 1411 W 190th St Ste 110, Gardena, CA, 90248
Enumeration date Jan 19, 2016
Last updated in NPPES Apr 21, 2026

Taxonomy & licenses

103K00000X Behavior Analyst Behavioral Health & Social Service Providers · License 1-15-20779 (CA) Primary

Other identifiers

Identifier Type State Issuer
1-15-20779 Other CA BCBA

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 Hannah Mendelsohn?
The National Provider Identifier (NPI) for Hannah Mendelsohn is 1225495492, a Type 1 (individual) record in the CMS NPPES registry.
Where does Hannah Mendelsohn practice?
The practice location on file with NPPES is in Gardena, CA. 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 2026-04-21.