William Johnson M.D.
About this NPIWhat this record shows.
NPI 1538266481 is registered to William Johnson M.D., a Diagnostic Radiology practising at 3156 Vista Way, Suite 100 in Oceanside, California. Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury. William Johnson 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 William Johnson M.D. accepts. To confirm in-network status with your specific health plan, contact William Johnson M.D. directly at (760) 547-8000.
Frequently asked
Yes. NPI 1538266481 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Diagnostic Radiology uses medical imaging (X-ray, CT, MRI, ultrasound, and nuclear medicine) to diagnose disease and injury.
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 (760) 547-8000.
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 Johnson M.D. is a Type-1 individual NPI.