Contra Costa Infectious Disease Medical Group Inc.
NPI 1104909530 · Infectious Disease Physician · Concord, CA
Contra Costa Infectious Disease Medical Group Inc. is a Infectious Disease Physician organization in Concord, CA (NPI 1104909530).
Provider details
- NPI number
- 1104909530
- Entity type
- Organization
- Primary specialty
- Infectious Disease PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- Michael Ein, President(925) 366-4383
- License
- G277481 (CA)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
19 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2006-10-21
- Last updated
- 2017-03-21
Frequently asked questions
- What is Contra Costa Infectious Disease Medical Group Inc.'s NPI number?
- Contra Costa Infectious Disease Medical Group Inc.'s National Provider Identifier (NPI) is 1104909530, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Contra Costa Infectious Disease Medical Group Inc.?
- Contra Costa Infectious Disease Medical Group Inc. is classified in the NPPES registry as Infectious Disease Physician (Allopathic & Osteopathic Physicians).
- Where is Contra Costa Infectious Disease Medical Group Inc. located?
- Contra Costa Infectious Disease Medical Group Inc.'s practice location on file with NPPES is 3301 Clayton Rd, Concord, CA 94519-2820.
- What is Contra Costa Infectious Disease Medical Group Inc.'s phone number?
- The practice phone number listed in the NPPES registry for Contra Costa Infectious Disease Medical Group Inc. is (925) 671-7629.
- Who is the authorized official for Contra Costa Infectious Disease Medical Group Inc.?
- The authorized official listed on Contra Costa Infectious Disease Medical Group Inc.'s NPPES record is Michael Ein, President. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Contra Costa Infectious Disease Medical Group Inc.'s NPI active?
- Yes — Contra Costa Infectious Disease Medical Group Inc.'s NPI (1104909530) is active in the NPPES registry as of the last update on 2017-03-21.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.