Joseph Edward Castillo, RADT is an addiction (substance use disorder) counselor in Walnut Creek, CA. Joseph Edward Castillo, RADT NPI is 1417666991. The provider is registered as an individual entity type. The NPPES NPI record indicates the provider is a male.
The provider's business location address is:
1776 YGNACIO VALLEY RD STE 206 WALNUT CREEK, CA ZIP 94598-125 Phone: (925) 278-1792
The enumeration date for this NPI number is 11/23/2022 and was last updated on 11/23/2022.
The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:
NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.
This page was last updated on: 11/21/2025
NPI Synchronization or Removal
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