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

Adam Messenger, MD

Individual provider Internal Medicine Physician · NPI 1447471784

Adam Messenger, MD is an Internal Medicine Physician in Cos Cob, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

Licensed in
CT
In the registry since
2007
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

31 River Rd 200
Cos Cob, CT 06807-2152
Phone: (203) 661-9433
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Hospitalist Physician (primary) Taxonomy 208M00000X · Licence 045186 (CT)
Internal Medicine Physician Taxonomy 207R00000X · Licence 045186 (CT)

Record details

NPI number1447471784
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedMay 2, 2007
Last updated in NPPESNovember 5, 2015
Mailing address121 Pilgrim Dr, Greenwich, CT 06831-4941

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