Browse Health
Internist, Hematology Specialist
31 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).

Learn more about Dr. Bruce Ewenstein:

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Specialties & Research

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

  • He has special expertise in 6 areas:
  • Acute Myeloid Leukemia
  • Chronic Myeloid Leukemia
  • Chronic Myelomonocytic Leukemia
  • Deep Vein Thrombosis
  • Hepatitis C
  • Leukemia

Education & Awards

Dr. Ewenstein graduated from Yeshiva University, Bronx.


Dr. Ewenstein has 6 hospital affiliations:

  • Brigham and Women's Hospital 
  • Children's Hospital 

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Additional Information
Dr. Bruce Mazur Ewenstein MD is a male Internist, has 31 years of experience and practices in Internal Medicine and Hematology.
Where does Dr. Bruce M. Ewenstein practice?
Dr. Bruce Ewenstein has 1 office location.
Dr. Bruce Ewenstein practices Internal Medicine and Hematology near Brookline, MA.
See Brookline Internists and Brookline Hematologists.