Mrs. Sylvia Toy Registered Dietitian
About this NPIWhat this record shows.
NPI 1851454631 is registered to Mrs. Sylvia Toy Registered Dietitian, a Registered Dietitian practising at 27400 Hesperian Blvd in Hayward, California. Registered Dietitian is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Mrs. Sylvia Toy Registered Dietitian has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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 Mrs. Sylvia Toy Registered Dietitian accepts. To confirm in-network status with your specific health plan, contact Mrs. Sylvia Toy Registered Dietitian directly at (510) 784-4255.
Frequently asked
Yes. NPI 1851454631 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Registered Dietitian 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) 784-4255.
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. Mrs. Sylvia Toy Registered Dietitian is a Type-1 individual NPI.