Type 1 · Individual ✓ Active NPI ✓ Valid NPI checksum
Ellen Davidian
Health Educator in Los Angeles, CA · enumerated 2022.
Data current as of Jul 13, 2026 · sourced from CMS NPPES
National Provider Identifier
1811609225
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Registry record
Entity type Individual (Type 1)
Name Ellen Davidian
Sex Female
Practice address 400 S Kingsley Dr Apt 211, Los Angeles, CA, 90020
Phone (323) 474-7434
Enumeration date Dec 16, 2022
Last updated in NPPES Mar 19, 2026
Taxonomy & licenses
101YA0400X Addiction (Substance Use Disorder) Counselor Behavioral Health & Social Service Providers · License RT1518650226 (CA) Secondary
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 Ellen Davidian practice?
The practice location on file with NPPES is in Los Angeles, CA. Providers can have multiple locations; NPPES lists the primary practice address.
What is the NPI number for Ellen Davidian?
The National Provider Identifier (NPI) for Ellen Davidian is 1811609225, a Type 1 (individual) record in the CMS NPPES registry.
Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2026-03-19.