Iyannah Williams-Grier
About this NPIWhat this record shows.
NPI 1417743477 is registered to Iyannah Williams-Grier, a Behavior Technician practising at 100 N Pacific Coast Hwy in El Segundo, California. Behavior Technician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Iyannah Williams-Grier has been enumerated in the National Provider Identifier (NPI) registry since 2025.
Your brand here.
Insurance & acceptsHow to confirm coverage.
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans Iyannah Williams-Grier accepts. To confirm in-network status with your specific health plan, contact Iyannah Williams-Grier directly at (310) 856-0800.
Frequently asked
Yes. NPI 1417743477 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Behavior Technician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy.
The CMS NPPES Public Registry at npiregistry.cms.hhs.gov is the authoritative source. FindMyNPI mirrors this dataset and refreshes monthly. For real-time verification, you can also call the provider's office at (310) 856-0800.
An individual healthcare provider has a single Type-1 NPI for life. Organisations can hold separate Type-2 NPIs per location, specialty, or sub-entity. Iyannah Williams-Grier is a Type-1 individual NPI.