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

Mark A Sullivan, MD

Individual provider Internal Medicine Physician · NPI 1215036603

Mark A Sullivan, MD is an Internal Medicine Physician in Arlington, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2006.

Licensed in
MA
In the registry since
2006
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

37 Broadway Lahey Arlington
Arlington, MA 02474-5552
Phone: (781) 641-0100
Fax: (781) 744-7132
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 40783 (MA)

Record details

NPI number1215036603
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedSeptember 21, 2006
Last updated in NPPESDecember 5, 2012

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