Diamond William
About this NPIWhat this record shows.
NPI 1669045589 is registered to Diamond William, a Occupational Therapy Assistant practising at 875 N Brea Blvd in Brea, California. Occupational Therapy Assistant is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Diamond William has been enumerated in the National Provider Identifier (NPI) registry since 2021.
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 Diamond William accepts. To confirm in-network status with your specific health plan, contact Diamond William directly at (714) 529-6842.
Frequently asked
Yes. NPI 1669045589 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Occupational Therapy Assistant 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 (714) 529-6842.
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. Diamond William is a Type-1 individual NPI.