Robert Castle
About this NPIWhat this record shows.
NPI 1821981945 is registered to Robert Castle, a Addiction Counselor practising at 18950 Mount Walton Cir in Fountain Valley, California. Addiction Counselor is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Robert Castle 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 Robert Castle accepts. To confirm in-network status with your specific health plan, contact Robert Castle directly at (714) 316-9578.
Frequently asked
Yes. NPI 1821981945 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Addiction Counselor 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) 316-9578.
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. Robert Castle is a Type-1 individual NPI.