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Internist, Gastroenterologist (digestive)
9 years of experience
Accepting new patients
Video profile
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. Daniel Leffler:

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  1. Qualifications
  2. What's important to you

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Patient Reviews

Patient comments (2)

The overall average patient rating of Dr. Daniel Leffler is Good. Dr. Leffler has been reviewed by 4 patients who have provided 2 comments. The rating is 4 out of 5 stars.

Patient Ratings
Ease of Appointment 4.3
Promptness 4.3
Courteous Staff 4.3
Accurate Diagnosis 5.0
Bedside Manner 5.0
Spends Time with Me 5.0
Follows Up After Visit 5.0

Specialties & Research

Dr. Daniel Leffler, MD is board certified in Internal Medicine and Gastroenterology.

  • He has special expertise in 6 areas:
  • Acid Reflux Disease (Gastroesophageal Reflux / GERD)
  • Celiac Disease
  • Constipation
  • Hepatitis C
  • Irritable Bowel Syndrome (IBS)
  • Ulcerative Colitis

Education & Awards

Dr. Leffler graduated from Ben-Gurion University Of The Negev, Beer Sheva.


Dr. Leffler has 5 hospital affiliations:

  • Beth Israel Deaconess Medical Center 
  • Beth Israel Deaconess Hospital - Needham Campus, Inc.L CORP 

> > > > Dr. Daniel Leffler, MD

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Additional Information
Dr. Daniel Alexander Leffler MD is a male Internist, has 9 years of experience and practices in Internal Medicine and Gastroenterology.
Where does Dr. Daniel A. Leffler practice?
Dr. Daniel Leffler has 1 office location.
Dr. Daniel Leffler practices Internal Medicine and Gastroenterology near Boston, MA.
See Boston Internists and Boston Gastroenterologists.