Faculty & Staff

Kathryn (Katie) Diamond-Falk, M.D.

Program Director

After completing medical school at Loyola's Stritch School of Medicine in Chicago, Dr. Diamond-Falk moved to Portland for her Med-Peds Residency training at MMC. Upon graduation from residency, she began working as a Hospitalist for both Internal Medicine and Pediatrics at MMC. In 2013 Dr. Diamond-Falk was appointed Associate Program Director for the Med-Peds residency. In 2014 she took on the role of Interim Program Director and in 2015 accepted the position of Residency Program Director.She is a Fellow of the American Academy of Pediatrics and a Member of the Society for Hospital Medicine and the American College of Physicians.


Ted Sears, M.D.

Associate Program Director

Edmund (Ted) Sears, M.D. started as Associate Program Director in April 2016.  He completed medical school at the Dartmouth-Brown Program through Brown Medical School, then his Med-Peds residency, IM Chief Residency, and Pulmonary/Critical Care Fellowship at Brown University.  He has been in Maine since 2012, when he joined Chest Medicine Associates and began practicing at MMC. He also serves as Associate Director of the MMC Adult CF Program, which draws on his Med-Peds training and allows him to collaborate with pediatric pulmonology.  He has research interests in CF and general pulmonary medicine.


Kelly Barnes, C-TAGME

Program Coordinator

Kelly began her career at MMC in 2006 as the Coordinator for the the Combined Internal Medicine-Pediatric Residency Program. Through that role she has become nationally involved in a number of different arenas, including becoming a Certified Training Administrator for Graduate Medical Education and sitting on the Executive Board of the Med-Peds Program Directors' Association (MPPDA). Kelly is also the Executive Assistant for the National Med-Peds Residents' Association (NMPRA). In 2013 she added Residency Program Coordinator for MMC's Pediatric Residency Program to her list of responsibilities.


Kathryn Brouillette, M.D.

Kathryn Brouillette, M.D. graduated from the MMC Med-Peds residency program in 2015. She is a medical school graduate of McGill University who currently works as an internal medicine hospitalist at Maine Med.  Brouillette is a faculty advisor for our program, a member of our Med-Peds Program Evaluation Committee, and a faculty interviewer.


Eliza Bullis, M.D.

Eliza Bullis, M.D. joined Adult Hospital Medicine at MMC in 2016. As part of her position, she works at a local long-term care unit and does per diem for Med-Peds resident clinic and Pediatric Hospital Medicine. She is a graduate of Tufts University School of Medicine. She completed her residency as well as a chief resident year for Pediatrics at Yale University. She serves a Med-Peds resident advisor and will be interviewing candidates for the residency program.


Fred Emerson, M.D.

Dr. Emerson graduated from our Internal Medicine-Pediatric Residency Program in 2009 after attending medical school at Albany Medical College. He is currently working as a primary care provider at Lakes Region Primary Care, a continuity clinic site for several of our Med-Peds residents. Dr. Emerson is a faculty advisor and continuity clinic preceptor for our residency program. He also serves on our Recruitment Committee, which helps review residency candidates.


Edward Fels, M.D.

Edward Fels, M.D. joined Rheumatology Associates in Portland in 2009 where our residents complete their Rheumatology rotation and is a faculty advisor for our program as well as a residency candidate interviewer.

Dr. Fels completed a combined Internal Medicine-Pediatric Fellowship at Duke University after graduating from Maine Medical Center's Internal Medicine-Pediatric Residency Program in 2005. He is a member of the American College of Rheumatology, the Childhood Arthritis and Rheumatology Research Alliance, and the Tourette Syndrome Association.


Carol Hubbard, M.D.

Carol Hubbard, M.D. is a developmental specialist in the Maine Pediatric Specialty Group in the Division of Developmental-Behavioral Pediatrics. She has been at MMC since 2000. She plays an integral role in the developmental/behavioral rotations and is a Med-Peds residency candidate interviewer.

Dr. Hubbard received her M.D. degree at the University of North Carolina and completed her residency training in the Harvard Combined Internal Medicine-Pediatrics Program. She completed her Fellowship in Developmental and Behavioral Pediatrics at Boston University. She is a Fellow in Pediatrics and Member of the Society for Developmental and Behavioral Pediatrics.


Jill Kerekes, M.D.

Jill Kerekes, M.D. joined Lakes Region Primary Care in Windham, Maine in January of 2009. She currently works with residents during rural rotations and has served as a continuity clinic preceptor in the past. She is also a member of of the Med-Peds Evaluation/Promotions Committee and a residency candidate interviewer.

Dr. Kerekes is a graduate of the Ohio State University College of Medicine. She completed her residency training in Internal Medicine-Pediatrics at Loyola University. She is a member of both the American Academy of Pediatrics and the American College of Physicians and has a special interest in both adolescent medicine and pediatric behavioral issues.


Ann Lemire, M.D.

Ann Lemire, M.D. served as the first Internal Medicine-Pediatric Residency Program Director at MMC from 1999-2005. She is currently serves as a faculty advisor to our residents. Since 1994, her work has involved caring for adults and children who are homeless or underserved, as well as caring for HIV patients. Since 2004 she has been volunteering at the Justinian Hospital in Cap Haitien, Haiti as part of the Konbit Sante project. Prior to this work, she had an Internal Medicine-Pediatric practice in Windham, Maine.

Dr. Lemire received her medical degree from the University of Vermont and completed her residency training in Internal Medicine-Pediatrics at the Albany Medical Center. She is a fellow in the American Academy of Pediatrics and the American College of Physicians.


Katherine Liu, M.D.

Katherine Liu, M.D. came to MMC for residency after completing her medical school training at Medical College of Wisconsin. She joined the Adult Hospital Medicine group in 2016 and also works part time doing Pediatric Hospital Medicine at another Maine hospital. She is an intern advisor and interviews residency candidates. She has an interest in international health.


Melanie Murray, M.D.

Melanie Murray, M.D. works out of Lakes Region Primary Care in Windham, Maine, where she practices primary care full time and serves as a Med-Peds Continuity Clinic and rural rotation preceptor. She is also a member of our Med-Peds Program Evaluation Committee, serves as a faculty advisor to our residents, and is a residency candidate interviewer.

Dr. Murray completed her Internal Medicine-Pediatric Residency at Maine Medical Center in 2007 after receiving her M.D. degree from Wright State University in Ohio.


Eugene Paluso, M.D.

Eugene Paluso, M.D. has practiced Internal Medicine-Pediatrics at Lakes Region Primary Care in Windham since 1993. He serves as a clinical preceptor for the Internal Medicine-Pediatric Residency Program for continuity clinic and rural rotations.

Dr. Paluso received his M.D. degree from Tufts University School of Medicine and completed his training in Internal Medicine-Pediatrics at Baystate Medical Center in Springfield, Massachusetts. He is a Member of the American College of Physicians.


Amanda Powell, M.D.

Amanda Powell, M.D. is a board-certified internist and pediatrician employed at Lakes Region Primary Care in Windham, Maine and at Maine Medical Center.  Dr. Powell is also the Med-Peds Clinic Director for our MMC Med-Peds Clinic and precepts residents as well as sees her own patients at the MMC Clinic site. She moved to Maine in 2014 after completing medical school at Chicago Medical School and her Med-Peds residency training at Rush University Medical Center.


Simmons Thomas, M.D.

Simmons Thomas, M.D. joined the MMC Adult Hospitalist group in 2012. He has been working with the Med-Peds residency program as a candidate interviewer, member of the Program Evaluation Committee, and continuity clinic preceptor (where he became a permanent fixture in the fall of 2014). In addition to his clinic precepting he will manage his own patient panel in the med-peds clinic.

Dr. Thomas completed medical school at the Medical College of Georgia and his residency at Yale University. He then worked as a hospitalist there for two years before moving to Maine.


Andreas Thyssen, M.D.

Andreas Thyssen, M.D. is joining both Adult and Pediatric Hospital Medicine this year after completing his residency here at MMC where he served as chief resident for Med-Peds. He has an interest in diagnostic error and mindfulness in medicine. He completed his M.D. at University of Colorado.


Christine Twining, M.D.

Christine Twining, M.D. joined Maine Medical Partner's Endocrinology and Diabetes Center in Scarborough, Maine in 2008, where she sees adult endocrinology patients. Dr. Twining is a faculty advisor for our Internal Medicine-Pediatric program, is a member of the Med-Peds Evaluation/Promotions Committee, and is a residency candidate interviewer.

Dr. Twining is a graduate of Duke University School of Medicine. She completed her combined Internal Medicine-Pediatric residency at Yale-New Haven Hospital in Connecticut. She then went on to complete a 2-year Adult Endocrinology Fellowship at WJB Dorn Veteran's Hospital/Palmetto Richland Memorial Hospital in Columbia, South Carolina and immediately moved back to Maine to practice. Dr. Twining is a member of the American Association of Clinical Endocrinologists and the Endocrine Fellows Foundation.