Daniel A. Leffler
Elite in Celiac Disease

Dr. Daniel A. Leffler

Internal Medicine
Beth Israel Deaconess Medical Center
BIDMC - Division Of Gastroenterology/GI East
330 Brookline Avenue, Suite Rabb Rose 1, 
Boston, MA 
On Staff At
Elite in Celiac Disease
Beth Israel Deaconess Medical Center
BIDMC - Division Of Gastroenterology/GI East
330 Brookline Avenue, Suite Rabb Rose 1, 
Boston, MA 
OverviewInsuranceLocationsClinical ResearchSimilar Doctors

Overview

Daniel Leffler is an Internal Medicine provider in Boston, Massachusetts. Dr. Leffler is rated as an Elite provider by MediFind in the treatment of Celiac Disease. His top areas of expertise are Celiac Disease, Malabsorption, Diarrhea, Colonoscopy, and Endoscopy.

His clinical research consists of co-authoring 198 peer reviewed articles and participating in 1 clinical trial. MediFind looks at clinical research from the past 15 years. In particular, he has co-authored 121 articles and participated in 1 clinical trial in the study of Celiac Disease.

Graduate Institution
Ben Gurion University Of The Negev
Residency
Beth Israel Deaconess Medical Center
Specialties
Internal Medicine
Licenses
Internal Medicine in MA
Board Certifications
American Board Of Internal Medicine
Fellowships
Beth Israel Deaconess Medical Center
Hospital Affiliations
Beth Israel Deaconess Medical Center
Languages Spoken
English
Gender
Male

Insurance

Accepted insurance can change. Please verify directly with the provider.

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Accepted insurance plans:

Aetna
  • EPO
  • HMO
  • POS
  • PPO
Anthem
  • EPO
  • HMO
  • POS
  • PPO
Blue Cross Blue Shield
  • EPO
  • HMO
  • POS
  • PPO
Blue Shield of California
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE-MEDICAID PLAN
  • OTHER COMMERCIAL
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
  • PPO
BMC HealthNet
  • HMO
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE SNP
Cigna
  • EPO
  • HMO
  • PPO
Commonwealth Care Alliance
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
Humana
  • HMO
  • INDEMNITY
  • POS
  • PPO
Mass General Brigham Health Plan
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • PPO
Medicaid
  • OTHER MEDICAID
  • STATE MEDICAID
Senior Whole Health
  • MEDICARE-MEDICAID PLAN
Tufts
  • HMO
UnitedHealthcare
  • EPO
  • HMO
  • POS
  • PPO
Wellcare
  • EPO
  • HMO
  • INSURANCE PLAN
  • MANAGED MEDICAID PLAN
  • MEDICARE MAPD
  • MEDICARE PDP
  • MEDICARE SNP
  • MEDICARE-MEDICAID PLAN
  • OTHER MEDICARE
  • OTHER MEDICARE PART D
View 9 Less Insurance Carriers -

Locations

BIDMC - Division of Gastroenterology/GI East
330 Brookline Avenue, Suite Rabb Rose 1, Boston, MA 02215
Call: 617-754-8888

Additional Areas of Focus

Dr. Leffler has provided the following conditions as areas of focus. Please note that we may not have enough data to validate their experience in some of these conditions.

Celiac Disease

Clinical Research

Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.

1 Clinical Trials

An Assessment of Neurocognitive Symptoms After Gluten Exposure in Adult Patients With Celiac Disease - a Pilot Study
An Assessment of Neurocognitive Symptoms After Gluten Exposure in Adult Patients With Celiac Disease - a Pilot Study
Enrollment Status: Terminated
Publish Date: March 20, 2018
Intervention Type: Dietary supplement
Study Phase: Not Applicable

198 Total Publications

Follow-up of Celiac Disease After Diagnosis.
Follow-up of Celiac Disease After Diagnosis.
Journal: Gastrointestinal endoscopy clinics of North America
Published: October 17, 2025
View All 198 Publications
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Boston, MA 
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VIEW MORE CELIAC DISEASE DOCTORS

Areas of Expertise

MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.

Learn more about MediFind’s expert tiers

Find Dr. Leffler's expertise for a condition
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  • Elite
  • Celiac Disease
    Dr. Leffler is
    Elite
    . Learn about Celiac Disease.
    See more Celiac Disease experts
  • Malabsorption
    Dr. Leffler is
    Elite
    . Learn about Malabsorption.
    See more Malabsorption experts
  • Distinguished
  • Colonoscopy
    Dr. Leffler is
    Distinguished
    . Learn about Colonoscopy.
    See more Colonoscopy experts
  • Advanced
  • Diarrhea
    Dr. Leffler is
    Advanced
    . Learn about Diarrhea.
    See more Diarrhea experts
  • Endoscopy
    Dr. Leffler is
    Advanced
    . Learn about Endoscopy.
    See more Endoscopy experts
  • Gastrointestinal Bleeding
    Dr. Leffler is
    Advanced
    . Learn about Gastrointestinal Bleeding.
    See more Gastrointestinal Bleeding experts
  • Pseudomembranous Colitis
    Dr. Leffler is
    Advanced
    . Learn about Pseudomembranous Colitis.
    See more Pseudomembranous Colitis experts
  • Viral Gastroenteritis
    Dr. Leffler is
    Advanced
    . Learn about Viral Gastroenteritis.
    See more Viral Gastroenteritis experts
  • Experienced
  • Anemia
    Dr. Leffler is
    Experienced
    . Learn about Anemia.
    See more Anemia experts
  • Colitis
    Dr. Leffler is
    Experienced
    . Learn about Colitis.
    See more Colitis experts
  • Colorectal Cancer
    Dr. Leffler is
    Experienced
    . Learn about Colorectal Cancer.
    See more Colorectal Cancer experts
  • Crohn's Disease
    Dr. Leffler is
    Experienced
    . Learn about Crohn's Disease.
    See more Crohn's Disease experts
  • Eosinophilic Esophagitis
    Dr. Leffler is
    Experienced
    . Learn about Eosinophilic Esophagitis.
    See more Eosinophilic Esophagitis experts
  • Esophagitis
    Dr. Leffler is
    Experienced
    . Learn about Esophagitis.
    See more Esophagitis experts
View All 15 Experienced Conditions
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