DR. RICHARD AUGUSTUS MESSIAN M.D. NPI 1609929751

NPI Information

  • NPI: 1609929751
  • Provider Name: DR. RICHARD AUGUSTUS MESSIAN, M.D.
  • Classification: Internal Medicine - 207RG0100X
  • Specialization: Gastroenterology
  • Entity Type: Individual
  • Address: 2415 HIGH SCHOOL AVE
    SUITE 100
    CONCORD, CA
    ZIP 94520
  • Phone: (925) 687-9650

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NPI Details

DR. Richard Augustus Messian, M.D. is a gastroenterology internal medicine in Concord, CA. The provider is an internist who specializes in diagnosis and treatment of diseases of the digestive organs including the stomach, bowels, liver and gallbladder. This specialist treats conditions such as abdominal pain, ulcers, diarrhea, cancer and jaundice and performs complex diagnostic and therapeutic procedures using endoscopes to visualize internal organs. DR. Richard Augustus Messian, M.D. NPI is 1609929751. The provider is registered as an individual entity type.

The NPPES NPI record indicates the provider is a male.

The provider's business location address is:

2415 HIGH SCHOOL AVE
SUITE 100
CONCORD, CA
ZIP 94520-800
Phone: (925) 687-9650
Fax: (925) 685-8447

The enumeration date for this NPI number is 1/20/2007 and was last updated on 5/6/2008.

Taxonomy Codes

The NPI record includes the healthcare provider taxonomy classification, state license number and state of licensure. The following information regarding the scope of practice of this provider is available:

No. Taxonomy Code Taxonomy Clasification Taxonomy Specialization License Number License State Primary
1207RG0100XInternal MedicineGastroenterologyG268490CALIFORNIAYes

Other Identifiers

The following information regarding additional identifiers associated to this NPI record includes the other identifier number, identifier type, identifier state and issuer.

No. Other Provider Identifier Other Provider Identifier Type Other Provider Identifier State Other Provider Identifier Issuer
1A43114MEDICARE UPINCALIFORNIA
200G268490MEDICARE PINCALIFORNIA
3942184663OTHERCALIFORNIAMY CORPORATION TAX ID #

What is NPI?

NPI stands for National Provider Identifier. The NPI is a 10-digit identification number that is completely unique. The NPI number by itself does not contain any identifiable information such as a provider’s speciality or location. The NPI is assigned to individuals or organizacions for their lifespan and it is independent of key provider information type updates like a change of practices, location or speciality.

This page was last updated on: 11/21/2025

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