John Massey MD
About this NPIWhat this record shows.
NPI 1619003415 is registered to John Massey MD, a Anesthesiology, Pain Medicine practising at 15047 Los Gatos Blvd, Ste 200 in Los Gatos, California. Anesthesiology, Pain Medicine is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. John Massey MD has been enumerated in the National Provider Identifier (NPI) registry since 2007.
Secondary identifiers
Additional identifiers this provider has registered with NPPES. Used by medical billers, credentialers, and insurance verifiers to cross-reference claims and enrollments.
Other
- ZZZ23054ZCA· Issued by MEDICARE PTAN
Source: NPPES public registry.
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 John Massey MD accepts. To confirm in-network status with your specific health plan, contact John Massey MD directly at (408) 364-6799.
Frequently asked
Yes. NPI 1619003415 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Anesthesiology, Pain Medicine 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 (408) 364-6799.
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. John Massey MD is a Type-1 individual NPI.