Harris Masket M.D.
About this NPIWhat this record shows.
NPI 1801921218 is registered to Harris Masket M.D., a Sports Medicine (Internal Medicine) Physician practising at 100 Shoreline Highway, 210a in Mill Valley, California. Sports Medicine (Internal Medicine) Physician is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Harris Masket M.D. has been enumerated in the National Provider Identifier (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 Harris Masket M.D. accepts. To confirm in-network status with your specific health plan, contact Harris Masket M.D. directly at (415) 388-5520.
Frequently asked
Yes. NPI 1801921218 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Sports Medicine (Internal Medicine) 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 (415) 388-5520.
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. Harris Masket M.D. is a Type-1 individual NPI.