Photo of Lauren G. Fiechtner, MD, MPH

Lauren G. Fiechtner, MD, MPH

  • Director, Center for Pediatric Nutrition
  • Assistant Professor, Harvard Medical School


Accepting New Patients

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Dr. Fiechtner sees patients with feeding difficulties in the Center for Feeding and Nutrition. Appointments can be made by calling the Speech and Language Department at 617-724-0770.  She also sees patients with overweight and obesity in the Raising Healthy Hearts Clinic. Appointments can be made by calling 617-726-3826. 



Centers & Specialties

MassGeneral Hospital for Children

Clinical Interests
  • Nutrition
  • Feeding Disorders
  • Obesity prevention and treatment
Medical Education
  • MD, Boston University School of Medicine
  • MPH, Harvard T. H. Chan School of Public Health
  • Residency, Boston Medical Center
  • Fellowship, Boston Children's Hospital
Board Certifications
  • Pediatrics
  • Pediatric Gastroenterology
  • 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
  • MassHealth
  • Medicare
  • Medicare - ACD
  • OSW - Maine
  • OSW - New Hampshire
  • OSW - Rhode Island
  • OSW - Vermont
  • Private Health Care Systems (PHCS)
  • TriCare
  • Tufts Health Plan
  • Unicare
  • United Healthcare (non-HMO) - ACD
  • United Healthcare (non-HMO) - PBO
  • Well Sense
  • 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


Lauren Fiechtner, MD, MPH, is the Director of Nutrition at MassGeneral Hospital for Children in the Division of Gastroenterology and Nutrition. Dr. Fiechtner received her Bachelors in Science in Sociology from University of Michigan.

She is a 2009 graduate of Boston University School of Medicine and a member of Alpha Omega Alpha and the Gold Humanism Honor Society. She completed her internship and residency in the Boston Combined Residency Program in Pediatrics at both Boston Medical Center and Boston Children's Hospital. She also completed a gastroenterology and nutrition fellowship at Boston Children's Hospital. She obtained her Master's in Public Health at the Harvard School of Public Health.

As an intern she was awarded the Outstanding Resident Teaching award from Harvard Medical School and Beth Israel Deaconess Medical Center. She was also awarded the Michael Osband, MD, Memorial award during residency which is given to the resident which embodies Dr. Osband's work through compassion, dedication and enthusiasm and has positively impacted the lives of their colleagues, patients and families.

Dr. Fiechtner's interests include preventing childhood obesity in the community and improving care for patients with oral aversion and feeding difficulties. She has presented her work at the Pediatric Academic Societies, the Obesity Society and the North American Society for Pediatric Gastroenterology, Hepatology and Nutrition annual meetings. Her work has been published in the American Journal of Public Health, Childhood Obesity, Preventive Medicine and Journal of National Medical Association.

Research & Publications

Research Summary

View my most recent research

Dr. Fiechtner's research has focused on prevention and treatment of childhood obesity in the community. She has published multiple papers utilizing geographic information systems to understand the food environment children are living in and how that impacts their weight status. She also has been a co-investigator on her mentor Dr. Taveras' large behavioral randomized controlled trials for treatment of childhood obesity. Finally, she has been following two birth cohorts and examining the infants microbiome and diet to better understand the origins of obesity in early life. 


View my most recent publications at PubMed

Fiechtner L, Block J, Duncan DT, Gillman, MW, Gortmaker, SL, Melly, SJ, Rifas-Shiman, SL and Taveras, EM. Proximity to supermarkets associated with higher body mass index among overweight and obese preschool-age children. Prev Med 2013;56:218-21.

Fiechtner L, Sharifi M, Sequist T, Block, JP, Duncan, DT, Melly, SJ, Rifas-Shiman, S, Taveras E. Food environments and childhood weight status: effects of neighborhood median income. Childhood obesity. Jun 2015;11(3):260-268.

Fiechtner, L, Kleinman,K, Melly, SJ, Sharifi, M, Marshall, R, Block, JP, Cheng, ER, Taveras, EM.. Effects of Proximity to Supermarkets on a Randomized Trial Studying Interventions for Obesity. In Press. American Journal of Public Health.

Robinson, A.* Fiechtner, L.*, Roche, B, Ajami, NJ, Petrosino, JF, Camargo, CA, Taveras, EM, Hasegawa, K. Association of maternal gestational weight gain with the infant fecal microbiota. JPGN. 2017 March 7 [Epub ahead of print].

Fiechtner, L,* Cheng, ER,* Lopez, G, Sharifi, M, Taveras, EM. Multi-level Correlates of Healthy BMI Maintenance and Return to a Healthy BMI among Children in Massachusetts. Child Obes.2017 Apr.13 (2); 146-153.

Fiechtner, L, Puente, GC, Sharifi, M, Block, J, Price, S, Marshall, R, Blossom, J, Gerber, MW, Taveras, EM. Development and implementation of a community resource map to support clinical-community linkages in a childhood obesity randomized controlled trial. Preventing Chronic Disease, In Press.

News & Events

  • Quinnlyn's story: Feeding team helps picky preemie become a flourishing foodie

    For the first few months of her life, Quinnlyn Fisher relied on a feeding tube. Gagging and vomiting, along with a host of health issues, made feeding a struggle for Quinnlyn, who was born premature at just under 28 weeks. With care and support from her family and care team at the Center for Feeding and Nutrition at MGHfC, Quinnlyn no longer gags or vomits, and relishes in foods full of flavor and color.

  • Penny's story: Warrior Princess conquers her feeding struggles

    In no uncertain terms, Penny Clark will tell you what she likes and dislikes when it comes to certain foods. Born at 26 weeks premature with severe feeding issues, Penny received treatment at MGHfC's Center for Feeding and Nutrition and is now a 3-year-old preschooler who eagerly fills her plate and her belly.

  • Feeding team helps little guy develop a big appetite: Grey's story

    Grey Greenough, 2, has always been a little guy, but don’t be fooled – he has learned to have a big appetite, thanks to his dedicated family and the care he received from the Center for Pediatric Feeding and Nutrition at MGHfC.

  • 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 celebrates 10 years of child health research

    The outlook for child health research – both in federal funding and at the MassGeneral Hospital for Children (MGHfC) – is a bright one, was the message from speakers at the 10th anniversary of MGHfC Pediatric Research Day.

  • Toddler Rebounds from Dangerous Feeding Disorder

    The newly expanded Center for Feeding and Nutrition works with children with feeding disorders who struggle to consume enough food to survive.

  • Infant Intervention: Saving Mihaly

    Before the birth of Rose's twins, prenatal testing showed one baby may have an intestinal blockage. Hours after Mihaly was born, MGHfC surgeons performed a life-saving surgery.

  • Finding Success and Overcoming Fears Through the Pediatric Feeding Program

    Gustavo Franca was born with birth defects that left him unable to eat or drink anything by mouth. Now, at age 9, Gustavo is learning how to chew and swallow solid food and overcome his feeding fears with help from the MGHfC Pediatric Feeding Program.

  • Compassionate Care Helps Patient Find Love for New Foods

    Ella Dumais struggled with feeding for the first two years of her life. With help from Lauren Fiechtner, MD, and a team of feeding therapists, Ella, now 3, went from receiving food through a feeding tube to joining her family at the dinner table and fearlessly trying new foods every day.

  • The Role of Food Access in Your Child's Health

    MGHfC clinicians are working to eliminate the short- and long-term health issues associated with obesity in children by providing specialized care and treatment options.

  • The Role of Food Access in Your Child's Health

    MGHfC clinicians are working to eliminate the short- and long-term health issues associated with obesity in children by providing specialized care and treatment options.

  • Introducing Solid Foods to Babies

    Dr. Lauren Feichtner, director of nutrition at MassGeneral Hospital for Children, discusses the best methods for introducing solid foods to babies.


Pediatric Gastroenterology and Nutrition
55 Fruit Street
Boston, MA 02114-2696
Phone 1: 617-726-8705
Phone 2: 617-726-3826
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