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
Mailing address40 Heights Rd, Darien, CT 06820-4132

Other providers in Darien