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

Dr. Mark Dam, MD

Individual provider Internal Medicine Physician · NPI 1720005507

Dr. Mark Dam, MD is an Internal Medicine Physician in Darien, Connecticut. Practices as a sole proprietor. Licensed in Connecticut.

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

See every abbreviation used in this directory →

Practice location Address checks out

40 Heights Rd
Darien, CT 06820-4132
Phone: (203) 662-8900
Fax: (203) 662-8906
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 033665 (CT)

Record details

NPI number1720005507
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJuly 16, 2006
Last updated in NPPESNovember 5, 2021

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