Joseph Field DDS Inc.
About this NPIWhat this record shows.
NPI 1598693251 is registered to Joseph Field DDS Inc., a healthcare organisation classified as "Dental Clinic/Center" and located at 99 3rd St in Los Altos, California. The organisation's authorised official is Casey Castle. The organisation has been enumerated in the NPI registry since 2026.
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 Joseph Field DDS Inc. accepts. To confirm in-network status with your specific health plan, contact Joseph Field DDS Inc. directly at (650) 948-5524.
Frequently asked
Yes. NPI 1598693251 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Dental Clinic/Center 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 (650) 948-5524.
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. Joseph Field DDS Inc. is a Type-2 organisational NPI.