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

Dr. Mark N Nallaratnam, MD

Individual provider Cardiovascular Disease Physician · NPI 1427216811

Dr. Mark N Nallaratnam, MD is a Cardiovascular Disease Physician in Boston, Massachusetts. Practices as a sole proprietor. Licensed in Massachusetts.

Licensed in
MA
In the registry since
2008
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

88 E Newton St Boston Medical Ctr
Boston, MA 02118-2308
Phone: (617) 638-5795
Show map & directions

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

Specialties & licences

Cardiovascular Disease Physician (primary) Taxonomy 207RC0000X · Licence 233791 (MA)

Record details

NPI number1427216811
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedJune 2, 2008
Last updated in NPPESJune 2, 2008

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