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

John R Desmarais, MD

Individual provider Family Medicine Physician · NPI 1023085834

John R Desmarais, MD is a Family Medicine Physician in Washington Court House, Ohio. Licensed in Ohio. Registered with an NPI since 2006.

Licensed in
OH
In the registry since
2006
Specialties on file
2
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

1430 Columbus Ave
Washington Court House, OH 43160-1703
Phone: (740) 333-2926
Fax: (740) 333-2824
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Family Medicine Physician (primary) Taxonomy 207Q00000X · Licence 35.005767 (OH)
Emergency Medicine Physician Taxonomy 207P00000X · Licence 35-05-5767 (OH)

Record details

NPI number1023085834
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMarch 1, 2006
Last updated in NPPESNovember 14, 2023
Certification dateNovember 14, 2023

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