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 Not confirmed with CMS for 17 years — call before visiting
Phone: (617) 667-9600
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

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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