SponsoredYour brand here. Reach the people searching this registry.Sponsored placementVisit ↗
About this NPIWhat this record shows.
NPI 1639384118 is registered to William Riley M.D., a Psychiatry practising at 451 Chaucer St in Palo Alto, California. Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia. William Riley M.D. has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Provider type
Individual (Type 1)
Status
Active
Enumerated
your logo
SponsoredIn-feed placement
Your brand here.
Sponsored placement · we don't endorse advertisers
The National Plan and Provider Enumeration System (NPPES) registry does not include commercial insurance network data, so we cannot show which plans William Riley M.D. accepts. To confirm in-network status with your specific health plan, contact William Riley M.D. directly at (650) 740-2083.
Frequently asked
Yes. NPI 1639384118 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Psychiatry is the medical specialty focused on the diagnosis, treatment, and prevention of mental health conditions, including depression, anxiety, bipolar disorder, and schizophrenia.
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) 740-2083.
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. William Riley M.D. is a Type-1 individual NPI.
your logo
SponsoredIn-feed placement
Your brand here.
Sponsored placement · we don't endorse advertisers