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Internist, Hematology Specialist
30 years of experience
Accepting new patients
License & Identifications

A medical license is required for a doctor to practice medicine in a particular state. Requirements vary by state but most require, at a minimum, post-graduate training in the doctor’s specific specialty. An NPI number is a national identifier unique to an individual health care provider and is managed by the Center for Medicare & Medicaid Services (CMS).

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Specialties & Research

Dr. Bruce Ewenstein, MD is board certified in Internal Medicine and Hematology.

Education & Awards

Dr. Ewenstein graduated from Yeshiva University, Bronx.


Dr. Ewenstein has 6 hospital affiliations:

  • Brigham and Women's Hospital 
  • Dana-Farber Cancer Institute 

> > > > Dr. Bruce Ewenstein, MD

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Additional Information
Dr. Bruce Mazur Ewenstein MD is a male Internist, has 30 years of experience and practices in Internal Medicine and Hematology.
Where does Dr. Bruce M. Ewenstein practice?
Dr. Bruce Ewenstein has 2 office locations.
Dr. Bruce Ewenstein practices Internal Medicine and Hematology near Brookline, MA.
Additional practice locations include: Boston, MA.
See Brookline Internists and Brookline Hematologists.