Dr. Richard Messian M.D.
About this NPIWhat this record shows.
NPI 1609929751 is registered to Dr. Richard Messian M.D., a Gastroenterology practising at 2415 High School Ave, Suite 100 in Concord, California. Gastroenterology is a recognised medical specialty under the National Uniform Claim Committee (NUCC) taxonomy. Dr. Richard Messian M.D. 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
- 942184663CA· Issued by MY CORPORATION TAX ID #
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 Dr. Richard Messian M.D. accepts. To confirm in-network status with your specific health plan, contact Dr. Richard Messian M.D. directly at (925) 687-9650.
Frequently asked
Yes. NPI 1609929751 is registered as Active in the CMS NPPES public registry and passes the Luhn check-digit validation that all 10-digit NPIs use.
Gastroenterology 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 (925) 687-9650.
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. Dr. Richard Messian M.D. is a Type-1 individual NPI.