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

James J Heffernan, MD

Individual provider Internal Medicine Physician · NPI 1366578940

James J Heffernan, MD is an Internal Medicine Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2007.

Licensed in
MA
In the registry since
2007
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Partly verified

Some contact details are missing from the federal record.

Beth Israel Deaconess Medical Center 330 Brookline Ave
Boston, MA 02215
Phone: (617) 667-9600
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Specialties & licences

Internal Medicine Physician (primary) Taxonomy 207R00000X · Licence 47543 (MA)

Record details

NPI number1366578940
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedFebruary 26, 2007
Last updated in NPPESSeptember 9, 2009

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