What is Michael Messer's NPI number?

Michael Messer's National Provider Identifier (NPI) is 1255438206, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.

What is Michael Messer's specialty?

Michael Messer is listed in the NPPES registry with a primary specialty of Specialist (Other Service Providers).

Where is Michael Messer located?

Michael Messer's practice location on file with NPPES is 2571 Park Ave, Concord, CA 94520-1901.

What is Michael Messer's phone number?

The practice phone number listed in the NPPES registry for Michael Messer is (925) 674-2100.

Is Michael Messer's NPI active?

Yes — Michael Messer's NPI (1255438206) is active in the NPPES registry as of the last update on 2007-07-08.

IndividualActive

Michael Messer, MD

NPI 1255438206 · Specialist · Concord, CA

Michael Messer, MD is a Specialist provider in Concord, CA (NPI 1255438206).

Provider details

NPI number: 1255438206
Entity type: Individual
Primary specialty: SpecialistOther Service Providers
Credential: MD
Sex: Male
Sole proprietor: Yes
License: C35893 (CA)

Specialties & taxonomies

SpecialistPrimary174400000XLicense C35893 (CA)
Other Service Providers

Profile Score

Detailed profile(90/100 index)

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

2571 Park Ave

Concord, CA 94520-1901

Phone: (925) 674-2100

Street-level locationGet directions

More CA providers

Mailing address