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Contra Costa Infectious Disease Medical Group Inc.

Infectious Disease Physician in Concord, CA · enumerated 2006 · authorized official Michael Ein, President.

Data current as of Jul 13, 2026 · sourced from CMS NPPES

National Provider Identifier

1104909530

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Registry record

Entity type Organization (Type 2)
Legal business name Contra Costa Infectious Disease Medical Group Inc.
Practice address 3301 Clayton Rd, Concord, CA, 94519
Phone (925) 671-7629
Enumeration date Oct 21, 2006
Last updated in NPPES Mar 21, 2017

Taxonomy & classification

207RI0200X Infectious Disease Physician Allopathic & Osteopathic Physicians · License G277481 (CA) Primary

Authorized official

Name Michael Ein
Title President
Phone (925) 366-4383

What is an NPI number?

A National Provider Identifier (NPI) is a unique 10-digit number that CMS assigns to every U.S. healthcare provider and organization under HIPAA. Type 1 NPIs identify individual providers; Type 2 NPIs identify organizations. The NPI appears on insurance claims, prescriptions, and credentialing paperwork, and never changes, even if the provider moves or changes specialty.

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Frequently asked questions

Where is Contra Costa Infectious Disease Medical Group Inc. located?
The practice location on file with NPPES is in Concord, CA.
How current is this record?
Data comes from the CMS NPPES public dissemination file; this record was last updated in NPPES on 2017-03-21. Verify at npiregistry.cms.hhs.gov.

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Source: CMS NPPES (public data). Snapshot 2026-07-13. Provider record last updated 2017-03-21.