Diana Tom
About this NPIWhat this record shows.
NPI 1598649774 is registered to Diana Tom, a School Registered Nurse practising at 313 W Winton Ave in Hayward, California. School Registered Nurse is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Diana Tom 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 Diana Tom accepts. To confirm in-network status with your specific health plan, contact Diana Tom directly at (510) 670-1861.
Frequently asked
Yes. NPI 1598649774 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
School Registered Nurse 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 (510) 670-1861.
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. Diana Tom is a Type-1 individual NPI.