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

Stefanie Mason, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1407112592

Stefanie Mason, MD is a Critical Care Medicine (Internal Medicine) Physician in Boston, Massachusetts. Licensed in Massachusetts. Registered with an NPI since 2012.

Licensed in
MA
In the registry since
2012
Specialties on file
2
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

15 Francis St
Boston, MA 02115-6105
Phone: (617) 732-6770
Show map & directions

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

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence 266677 (MA)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence 266677 (MA)

Record details

NPI number1407112592
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorNo
NPI enumeratedApril 3, 2012
Last updated in NPPESDecember 18, 2019
Certification dateDecember 18, 2019
Mailing address375 Boylston St, Brookline, MA 02445-6007

Other providers in Boston