Leonard Okun MD
About this NPIWhat this record shows.
NPI 1205941010 is registered to Leonard Okun MD, a Internal Medicine practising at 5575 Rufflin Road, Suite 100 in San Diego, California. Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties. Leonard Okun MD has been enumerated in the National Provider Identifier (NPI) registry since 2006.
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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 Leonard Okun MD accepts. To confirm in-network status with your specific health plan, contact Leonard Okun MD directly at (858) 565-1300.
Frequently asked
Yes. NPI 1205941010 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Internal Medicine physicians (internists) specialise in the prevention, diagnosis, and treatment of diseases in adults, often coordinating care across multiple subspecialties.
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 (858) 565-1300.
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. Leonard Okun MD is a Type-1 individual NPI.