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Medical directors

 

Barrie Baker, MD
Chief Medical Officer

 

Barrie Baker oversees all of Tufts Health Plan’s clinical activities, including the development and implementation of comprehensive medical programs and policies. She is also responsible for ensuring the delivery of high-quality member supports and enhancing relationships with providers, facilities, and regulatory agencies. Additionally, Barrie acts as a key business partner in network development, product design, strategic planning, and sales support.

Prior to joining Tufts Health Plan, Barrie served as the chief medical officer for Aetna Better Health and Aetna Better Health Kids in Philadelphia. She has also served as the medical director for Coventry’s Medicaid programs in Pennsylvania and Maryland, and as senior medical director for Keystone Mercy Health Plan. Before joining the health insurance industry, Barrie spent seven years as a family physician in underserved areas. She is board-certified in family practice.

Barrie earned her medical degree from the Medical College of Pennsylvania, a Master of Business Administration from Eastern University, and a Bachelor of Arts from Temple University.

Alan Drabkin, MD
Associate Medical Director

 

Alan Drabkin serves as the physician advisor to the pharmacy staff, ensuring clinically appropriate, cost-effective pharmacy benefit management and providing clinical guidance around strategies for improving the health of members with diabetes.

Alan is a practicing family physician at Windsor Street Health Center and a scholar at the Academy at Harvard Medical School. Alan previously served as a primary care physician at the Hebrew Rehabilitation Center, Harvard Community Health Plan, and Mount Auburn Hospital. He also previously acted as senior house officer of neonatal medicine at King's College Hospital in London and assistant in general practice at Abbey Medical Center in London.

Alan earned his medical degree at the University of Cape Town Medical School in South Africa and completed his residency in family practice at the University of Massachusetts Medical School. Alan also earned a master's degree in anthropology at Harvard University.

Duke Dufresne, MD
Senior Medical Director

 

Duke Dufresne helps guide the clinical affairs of Tufts Health Plan, ensuring clinical quality in the provider network. He also oversees physician review services and appeals, utilization management, integrated care management, medical policy formulation, and the development and execution of clinical disease management and population-based programs.

Duke is a practicing and lead physician for Hometown Health Center and consults for Martin’s Point Health Care. Prior to joining Tufts Health Plan, Duke was the senior medical director for Martin’s Point Health Care. He has also served as senior national medical director for Optum Health, UnitedHealth Group, associate medical director for Empire Blue Cross Blue Shield, and associate medical director for Capital District Physicians’ Health Plan.

Duke earned his medical degree at Tufts University School of Medicine and a Bachelor of Arts in biology from the University of Massachusetts, Boston. He completed his internship at Lemuel Shattuck Hospital and his residency at St. Clare’s Hospital. He is board certified in family medicine and geriatrics. Duke is a member of county and state medical societies and Physicians for Social Responsibility.

Sansei Fowler, MD, MPH
Associate Medical Director

 

Sansei Fowler serves as a physician advisor to the clinical affairs team, ensuring members receive high-quality care from the provider network, supporting care and utilization management, and participating in the development and administration of clinical population-based programs and medical management policies.

Sansei is a practicing pediatric primary care physician at Whittier Street Health Center and a part-time quality improvement consultant for the Boston Public Health Commission. She provides technical assistance for seven clinical site teams that participate in early childhood mental health initiatives. She is heavily involved as a community health liaison and youth event coordinator, volunteers at elementary school health fairs, and is a contributing health writer for the Mattapan Reporter. She previously served as staff pediatrician at Mattapan Community Health Center. She has also worked at North Shore Children's Hospital, in the emergency department, and at Lowell General Hospital.

Sansei earned her medical degree at Harvard Medical School and completed her postdoctoral general pediatric residency at St. Christopher's Hospital for Children. She also earned a master's degree in public health with a concentration in health care management from the Harvard School of Public Health, and a bachelor's degree in neuroscience with a minor in psychology from Johns Hopkins University. She is board-certified in pediatrics and certified in pediatric advanced life support and neonatal resuscitation.

Diana Gamser, MD
Associate Medical Director

 

Diana Gamser serves as a physician advisor to the behavioral health team, supporting the case management and utilization review teams, and ensuring members receive high-quality care from the behavioral health network.

Diana is a practicing child and adolescent psychiatrist at Germaine, Lawrence Inc., and previously served as staff psychiatrist in the outpatient department of Cambridge Hospital. She completed a fellowship in child and adolescent psychiatry at Cambridge Health Alliance and an internship in psychiatry at the University of Massachusetts Medical Center. She also speaks Mandarin Chinese and French.

Diana earned her medical degree from the University of Massachusetts and completed her postdoctoral residency at the Harvard Longwood Psychiatry Residency Training Program. She also earned a master's degree in social anthropology from the London School of Economics and Political Science and a bachelor's degree in government from Harvard College. She is board-certified in psychiatry and neurology.

Robert S. Janett, MD, FACP
Senior Medical Director

 

Rob Janett serves as the physician advisor to the medical management, credentialing, quality, and appeals and grievances team. He works closely with our special programs and care management team, as well as the state, to coordinate care for members and provide clinical support to Tufts Health Plan's nurses and social workers.

Rob is a practicing primary care physician with Cambridge Family Health and the medical director of the Mount Auburn Cambridge Independent Practice Association. He is also an assistant professor of medicine at Harvard Medical School, a clinical instructor in health science at Northeastern University, and a health policy consultant to the World Bank, Latin America and Caribbean Region. He also previously served with the U.S. Public Health Service and spent three years on the Navajo Indian Reservation before returning to Cambridge Hospital.

Rob earned his medical degree at Dartmouth Medical School and completed his residency in internal medicine at Cambridge Hospital, where he served as chief medical resident.

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