Photo of Ronald Ellis Kleinman, MD

Ronald Ellis Kleinman, MD

  • Physician-in-Chief, MassGeneral Hospital for Children
  • Chief, Partners Pediatrics
  • Charles Wilder Professor of Pediatrics, Harvard Medical School


Accepting New Patients


Ronald E. Kleinman, MD, is Physician-in-Chief of MassGeneral Hospital for Children and Chief of Partners Pediatrics. He has served as the Chief of Gastroenterology & Nutrition at MGHfC since 1986.



Centers & Specialties

MassGeneral Hospital for Children

Clinical Interests
  • Disorders that affect the gastrointestinal tract
  • Pediatric liver disorders
  • Pediatric Nutrition
  • Food allergy and immune mediated disorders of the intestines
Medical Education
  • MD, New York Medical College
  • Residency, Montefiore Hospital & Medical Center
  • Fellowship, Massachusetts General Hospital|Fellowship, Montefiore Hospital & Medical Center
Board Certifications
  • Pediatrics
  • Boston: Massachusetts General Hospital
Insurances Accepted
  • Aetna Health Inc.
  • AllWays Health (NHP) - ACD
  • AllWays Health (NHP) - PBO
  • Beech Street
  • Blue Cross Blue Shield - Blue Care 65
  • Blue Cross Blue Shield - Indemnity
  • Blue Cross Blue Shield - Managed Care
  • Blue Cross Blue Shield - Partners Plus
  • BMC HealthNet Mass Health MCO/ACO
  • Cigna (PAL #'s)
  • Commonwealth Care Alliance
  • Fallon Community HealthCare
  • Great-West Healthcare (formally One Health Plan)
  • Harvard Pilgrim Health Plan - ACD
  • Harvard Pilgrim Health Plan - PBO
  • Health Care Value Management (HCVM)
  • Humana/Choice Care PPO
  • Maine Community Health Options (MCHO)
  • MassHealth
  • Medicare
  • Medicare - ACD
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Vermont
  • Private Health Care Systems (PHCS)
  • Senior Whole Health
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - PBO
  • Well Sense Pediatrics

Note: This provider may accept more insurance plans than shown; please call the practice to find out if your plan is accepted.

Patient Age Group
Provider Gender


Ronald Kleinman, MD, is Chief of the Department of Pediatrics at Massachusetts General Hospital and Physician-in-Chief at MassGeneral Hospital for Children (MGHfC) and Partners Pediatrics.

Dr. Kleinman is Charles Wilder Professor of Pediatrics at Harvard Medical School.

Dr. Kleinman earned his medical degree from New York Medical College and his master's degree from Harvard Medical School. After completing his residency in Pediatrics at Montefiore Hospital,  Albert Einstein Medical Center in New York, Dr. Kleinman joined Mass General in 1977 as a Clinical and Research fellow in  Pediatric Gastroenterology, Hepatology & Nutrition . He has served as a member of the Department of Pediatrics since then and also served as the Chief of the Pediatric Gastrointestinal, Hepatology and Nutrition Unit before becoming Chief of the Department of Pediatrics at MGH.

Dr. Kleinman has distinguished himself through numerous contributions to the hospital's management and governance, including service as a member of the Board of Trustees of the MGPO.  He serves on multiple boards of directors for non-profit organizations committed to the well-being of children and their families both locally, nationally and internationally.  He is an active researcher in the field of infant and child nutrition and has authored multiple papers and textbooks on subjects in his specialty.   

Research & Publications

Research Summary

Dr. Kleinman's research interests include nutrition during infancy and childhood and the psychosocial, cognitive, and physical effects of hunger in children.


View my most recent publications at PubMed

News & Events

  • MGHfC highlights innovations in pediatric research at 11th Annual Research Day

    This past May marked the 11th anniversary of MGHfC Research Day, an annual event that recognizes the pioneering research of investigators throughout the hospital whose discoveries help to better understand childhood health and disease. The focus of this years’ event was on innovation and taking children’s health and medicine even farther into the future with cutting edge care and research.

  • MGHfC remains CLABSI-free for 2018 and beyond

    In 2018, all four inpatient units at MGHfC achieved 365 consecutive days without central line-associated bloodstream infections (CLABSI). This includes the NICU, PICU, Ellison 17 and 18 and the Special Care Nursery. The record still going strong into 2019.

  • MGHfC celebrates 10th annual Research Day

    This year, MassGeneral Hospital for Children (MGHfC) celebrated its 10th annual Research Day, an event that recognizes the pioneering research of investigators throughout the hospital whose discoveries help to better understand childhood health and disease.

  • MGHfC Recognizes Employees' Years of Service at 72nd Annual Ether Day

    Ether Day, a tradition started in 1945, is a day to recognize MGHfC and Mass General staff for their years of service to patients and the hospital's overall mission. Learn more about what MGHfC means to some of those providers and staff.

  • A Royal Reception at MGHfC

    Their Royal Highnesses Crown Prince Alexander and Crown Princess Katherine of Serbia visited MassGeneral Hospital for Children (MGHfC) on April 24 for a special tour of the hospital’s cutting-edge facilities.

  • MGHfC Celebrates 9th Annual Research Day

    MassGeneral Hospital for Children (MGHfC) hosted its 9th annual Research Day on March 28, 2017, with innovative presentations, speakers and poster sessions. The event celebrated the pioneering research of investigators throughout MGHfC whose discoveries help to better understand childhood disease.

  • Yager appointed chief of Critical Care Medicine

    Phoebe Yager, MD, has been appointed chief of Critical Care Medicine for MassGeneral Hospital for Children (MGHfC).

  • Patients Take a Trip to Oz with New Pinball Machine on Ellison 18

    Patients on Ellison 18 can now follow the yellow brick road to recovery with a “Wizard of Oz” themed pinball machine, donated to MassGeneral Hospital for Children (MGHfC) by Project Pinball Charity.

  • MGHfC expands research efforts with new enterprise in Italy

    MassGeneral Hospital for Children (MGHfC) has partnered with the city of Salerno, Italy to establish an international research and education center.

  • Division of General Pediatrics welcomes new chief

    The MassGeneral Hospital for Children (MGHfC) will welcome Elsie Taveras, MD, as the new chief of the Division of General Pediatrics on April 1.

  • Center for Celiac Research joins MGHfC

    After nearly two decades of providing clinical care for patients and conducting innovative research on celiac disease and other gluten-related disorders, the Center for Celiac Research has relocated from Baltimore to Massachusetts General Hospital for Children (MGHfC), as part of the MGHfC’s newly renamed Mucosal Immunology and Biology Research Center.

  • Storybook Ball supports MGHfC nutrition, music and art therapy

    The 13th annual Storybook Ball Oct. 20 at the Museum of Fine Arts raised more than $1.3 million.

  • Pediatric Endoscopy Suite opens

    MassGeneral Hospital for Children (MGHfC) has opened a new Pediatric Endoscopy Suite specially designed to help children and their families feel at ease throughout their visit.

  • Sweet Relief

    Dr. Ronald Kleinman, physician-in-chief of MassGeneral Hospital for Children and expert in pediatric nutrition, weighs in on whether chocolate milk should be offered as a recovery drink for student athletes.

  • Storybook Ball raises $1.1M for MGHfC

    Nearly 500 guests attended the annual Storybook Ball Oct. 15 at the Park Plaza Castle in Boston, raising $1.1 million this year in support of MassGeneral Hospital for Children (MGHfC).

  • In General: 07.22.11

    In General awards and honors

  • Doctors Warn Against Sports & Energy Drinks for Kids

    Ronald E. Kleinman, MD, physician-in-chief of MassGeneral Hospital for Children and unit chief of Pediatric Gastroenterology and Nutrition, explains why kids rarely need sports drinks and should not consume energy drinks.

  • In memoriam: Michael Linshaw, MD

    MGH Hotline 1.7.11 Michael Linshaw, MD, a pediatric nephrologist for MassGeneral Hospital for Children (MGHfC), died Dec. 31 at his home in Newton. Linshaw, who worked at MGHfC for more than a decade, was 70 years old.

  • Tenth Anniversary

    MGH Hotline 11.19.10 On Nov. 11, the MGH celebrated the 10th anniversary of MassGeneral Hospital for Children (MGHfC) with a birthday party at the Yawkey Center for Outpatient Care.

  • Aladdin's Adventure

    MGH Hotline 10.08.10 More than 400 friends and supporters of MassGeneral Hospital for Children (MGHfC) enjoyed the magical storybook theme of Aladdin's Arabian nights at the 11th annual Storybook Ball at The Castle at Park Plaza.

  • MGHfC opens Ronald McDonald House Charities Family Rooms

    MGH Hotline 07.30.10 MassGeneral Hospital for Children (MGHfC) has joined Ronald McDonald House Charities (RMHC) to provide a comfortable and restful space for family members of children receiving care.

  • A new start

    MGH Hotline 05.21.10 The media’s coverage of the destruction and sorrow in Haiti following the Jan. 12 earth-quake may have slowed, but the grieving and efforts to rebuild are still in the early phases. The following is the story of 12-year-old Gedline Agard and her mother Ginette LaForest.

  • MGHfC named to best pediatric hospitals list

    MGH Hotline 07.10.09 The MassGeneral Hospital for Children (MGHfC) has again earned a spot on U.S. News & World Report's annual honor roll of the nation's top pediatric hospitals.


Pediatric Gastroenterology and Nutrition
175 Cambridge Street Suite 578
Boston, MA 02114
Phone: 617-724-2911

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