Dr. Gregory Leong M.D.
About this NPIWhat this record shows.
NPI 1174592158 is registered to Dr. Gregory Leong M.D., a Forensic Psychiatry Physician practising at 3102 E Highland Ave in Patton, California. Forensic Psychiatry Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Gregory Leong M.D. 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 Dr. Gregory Leong M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Gregory Leong M.D. directly at (909) 425-6509.
Frequently asked
Yes. NPI 1174592158 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Forensic Psychiatry Physician 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 (909) 425-6509.
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. Dr. Gregory Leong M.D. is a Type-1 individual NPI.