Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.
NPIDirectory

Dr. Michael J Messer, MD

Individual provider Specialist · NPI 1255438206

Dr. Michael J Messer, MD is a Specialist in Concord, California. Practices as a sole proprietor. Licensed in California.

Licensed in
CA
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

2571 Park Ave
Concord, CA 94520-1901
Phone: (925) 674-2100
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Specialist (primary) Taxonomy 174400000X · Licence C35893 (CA)

Record details

NPI number1255438206
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 20, 2006
Last updated in NPPESJuly 8, 2007
Mailing address2571 Park Ave, Concord, CA 94520-1901

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