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

Dr. Mark Doran Anderson, MD

Individual provider Internal Medicine Physician · NPI 1679640866

Dr. Mark Doran Anderson, MD is an Internal Medicine Physician in Ridgefield, 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

96 Danbury Rd
Ridgefield, CT 06877-4069
Phone: (203) 438-0874
Fax: (203) 438-5986
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 CT027066 (CT)

Record details

NPI number1679640866
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedNovember 30, 2006
Last updated in NPPESNovember 18, 2011

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