The doctors at Digestive Health Specialists are all Board Certified, University-trained Gastroenterologists with expertise in treating disorders of the intestine, liver, pancreas, and biliary system. Our doctors are accomplished and have been honored and distinguished in many ways, including as Boston Magazine’s Top Doctors for 2017-2018, serving as clinical instructors at Harvard Medical School, with academic society memberships, and other awards and distinctions. The doctors at Digestive Health Specialists have trained at some of the very best academic medical centers in the country, enjoy specialized expertise, and remain at the forefront of Gastroenterology.

Our Nurse Practitioners are proven clinicians, with extensive training and experience specifically within Gastroenterology. They serve as important advocates for our patients and are valued colleagues. Our team is competent, caring, patient, and dedicated to making sure your visit is the best possible. 

Digestive Health Specialists was founded in 1983 by Doree T. Barton, MD, who died in the spring of 2015. A true pioneer in the clinical management of Crohn's disease and Ulcerative Colitis, Dr. Barton was uniquely dedicated to her patients and provided the highest quality care to thousands, and she leaves the legacy of an outstanding Gastroenterology practice. For this, we are forever grateful.

We all look forward to meeting you:

Our doctors have trained at some of the very best academic medical centers in the country, and remain at the forefront of Gastroenterology.  We all look forward to meeting you:

Top Doctor 2017Top Doctor 2018Top Doctor 2019


Dr. Reichheld

James H. Reichheld, MD
Dr. Reichheld majored in Biology at Williams College and began his study of Medicine at Cornell University Medical College in New York City. He completed his Internship and Residency at Beth Israel Hospital in Boston, and Fellowship in Gastroenterology at The University of Massachusetts Medical Center, where he developed expertise in the care of liver and pancreatic disorders, Crohn's Disease, and Ulcerative Colitis. He enjoys coaching his three children, trail running, and is learning to play acoustic guitar.

Dr. James H. Reichheld | Top Docs | Boston Magazine


Dr. Akerkar

Geetanjali A. Akerkar, MD
Dr. Akerkar majored in Genetics at Cornell University and subsequently earned her MD at Cornell University Medical College. She completed her Internship and Residency at Beth Israel Hospital and then finished her fellowship in Gastroenterology at the University of California San Francisco. She stayed on faculty at UCSF developing expertise in Virtual Colonoscopy, Inflammatory Bowel Disease, and Liver Disease including Liver Transplantation. Dr. Akerkar is a Clinical Instructor in Medicine at Beth Israel Hospital, Harvard Medical School. She has been named a Fellow of the American Gastroenterology Association. She enjoys spending time with her family and playing tennis.

Dr. Geetanjali A. Akerkar | Top Docs | Boston Magazine


Dr. Travassos

Win J. Travassos, MD
Dr. Travassos majored in Biology at Harvard College and subsequently attended Cornell University Medical College in New York City. He completed his Internal Medicine residency and Gastroenterology fellowship at Beth Israel-Deaconess Medical Center in Boston. His areas of interest include liver disease, Crohn's disease, and Ulcerative Colitis, as well as medical education. Dr. Travassos is a Clinical Instructor in Medicine at Beth Israel Hospital, Harvard Medical School. Outside of medicine, he enjoys running and spending time with family.


Dr. Huang

Michael J. Huang, MD
Dr. Huang grew up in Maryland, graduated from the University of Maryland, and received his Masters of Science from the Johns Hopkins Bloomberg School of Public Health. He has always loved Boston, and attended Tufts University School of Medicine, staying to finish his internal medicine residency at Boston University and Boston Medical Center. Dr. Huang completed his Gastroenterology Fellowship at the University of Miami and the Jackson Memorial Hospital, where he developed interests in viral and autoimmune hepatitis, disorders of the esophagus, intestinal motility, Crohn's and colitis, and colon cancer screening. Dr. Huang joined Digestive Health Specialists in 2015 and, happy to be back in New England, enjoys skiing and spending time with his wife and little girl.


Dr. Gilmore

Paul R. Gilmore, MD
Dr. Gilmore majored in Biology at Boston University, attended Boston University Medical School, and completed his Internship and Residency at Boston Medical Center and University Hospital. He completed a fellowship in Gastroenterology at Boston University and The Veterans Administration of Boston, where he later served on staff and developed broad expertise in gastrointestinal medicine, and special skill in the management of biliary and pancreatic disorders. He is a founding member of Digestive Health Specialists. Dr. Gilmore enjoys spending time with his three children and is an accomplished photographer and guitarist.


Dr. Levey

John Levey, MD
Dr. Levey received his M.D. degree from the University of Texas and completed his gastroenterology fellowship training at University of Massachusetts Medical Center. He earned the rank of Professor of Medicine at the University of Massachusetts Medical School and is well-published in many areas of gastroenterology and hepatology. Dr. Levey's areas of interest include general endoscopy, biliary endoscopy, and treatment of Barrett's esophagus.



Julia Tyler, NP
Julia Tyler graduated from Boston College with her Bachelor of Science in Nursing and received her Master of Science in Nursing from the University of Pennsylvania. Prior to joining Digestive Health Specialists, she developed wonderful clinical experience and proficiency in adult medicine and primary care, working at a busy and diverse medical center in Boston. She brought her expertise to Digestive Health Specialists in 2015, where she enjoys educating and caring for patients with a variety of gastrointestinal disorders. In her free time, she pursues a passion for cooking, and loves spending time with her family and exploring the New England outdoors.



Kerry Keating, NP
Kerry has been working in nursing for over 15 years having completed her bachelor’s degree at Rivier College in 2015. She went on to obtain her master's degree at Rivier College and has tremendous experience working in both cardiac and critical care prior to joining Digestive Health Specialists in 2019. Kerry has both inpatient and outpatient experience, along with a decade of high-intensity work in both critical care and cardiology. In her free time, she enjoys listening to live music and spending time with her family.



Lauri Welch, NP
Lauri Welch has over 10 years experience in primary care and over 15 years experience in GI. She has been practicing in the Greater Lowell community for over 25 years. Lauri received a bachelor's degree in Nursing from the University of Lowell, master's degree in Family and Community Health Nursing and PhD in Nursing and Health Promotion from the University of Massachusetts Lowell. She holds a Certificate of Advanced Education in Obesity Medicine from the Obesity Medicine Association. Lauri has an interest in general GI, wellness, weight management, disease prevention and is well known for her care of patients with liver problems and experience in treating patients with Hepatitis B and Hepatitis C.