William C Lyon MD, A Professional Corporation
About this NPIWhat this record shows.
NPI 1437359486 is registered to William C Lyon MD, A Professional Corporation, a healthcare organisation classified as "Orthopaedic Surgery" and located at 1700 San Pablo Ave, Suite A in Pinole, California. The organisation's authorised official is William Lyon. The organisation has been enumerated in the NPI registry since 2007.
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 William C Lyon MD, A Professional Corporation accepts. To confirm in-network status with your specific health plan, contact William C Lyon MD, A Professional Corporation directly at (510) 724-4113.
Frequently asked
Yes. NPI 1437359486 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Orthopaedic Surgery is a medical specialty focused on injuries and disorders of the musculoskeletal system, including bones, joints, ligaments, tendons, and muscles.
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) 724-4113.
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 C Lyon MD, A Professional Corporation is a Type-2 organisational NPI.