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Internal Medicine-Pediatric Residency Program

Residency Program Faculty & Staff

Katie Diamond-Falk, M.D., Interim Program Director, and Kelly Barnes, Program Coordinator

Program Director

Kathryn (Katie) Diamond-Falk, MD.  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 Maine Medical Center.  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 and is now currently serving as our Interim 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.

Program Coordinator

Kelly Barnes, C-TAGME began her career at Maine Medical Center 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.  Kelly can be reached at (207) 662-2405 or by email at

Program Faculty

Fred Emerson, MD 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, MD 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, MD 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, MD joined Lakes Region Primary Care in Windham, Maine in January of 2009.  She currently serves as a faculty advisor and clinical preceptor for the Internal Medicine-Pediatric Residency Program by working with residents for continuity clinic and rural rotations.  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 in Columbus, Ohio.  She completed her residency training in Internal Medicine-Pediatrics at Loyola University Hospital in Maywood, Illinois and worked for three years at Ball Medical Clinic in Ohio.  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, MD served as the first Internal Medicine-Pediatric Residency Program Director at MMC from 1999-2005.  She is currently the Medical Director of the India Street Clinic, Department of Public Health, Division of Health and Human Services for the City of Portland and 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 M.D. degree from the University of Vermont and completed her residency training in Internal Medicine-Pediatrics at the Albany Medical Center Hospital in Albany, New York.  She is a fellow in the American Academy of Pediatrics and the American College of Physicians.

Michael Lunn, MDMichael Lunn, MD joined Allergy and Asthma Associates after completing his residency in Med-Peds and his fellowship at Penn State University following medical school at Philadelphia College of Osteopathic Medicine.  He serves as a resident advisor and works with residents during allergy/immunology electives.

Melanie Murray, MD 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, MD 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. 

Ted Sears, MDEdmund (Ted) Sears, M.D. has the opportunity to connect with residents during Pulmonary and Adult Critical Care rotations.  He joined Chest Medicine Associates after completing medical school at the Dartmouth-Brown Program through Brown Medical School, then his IMPD residency and Pulmonary/Critical Care Fellowship at Brown University.  He helps interview residency candidates and is happy to help mentor residents, particulary those with an interest in Pulmonary/Critical Care or with his area of special interest, cystic fibrosis. 

Simmons Thomas, MDR. 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.

Christine Twining, MD  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 Endorine Fellows Foundation.

22 Bramhall Street | Portland, Maine 04102-3175 | (207) 662-0111