Our Staff


 

Margaret Chustecka, MD, MBA
Before starting Internal Medicine of Greater New Haven in 2003, Dr. Chustecka served as attending physician in the Department of Internal Medicine at Yale New Haven Hospital. She is an Assistant Clinical Professor at Yale School of Medicine. A board certified internist, Dr. Chustecka, studied medicine in Poland and received her MD from the Medical School of Warsaw, Warsaw, Poland. She received her MBA from Yale School of Management. In 2011, Dr. Chustecka began Aid for Orphan Relief, a non-profit organization designated to help provide orphaned children and the facilities that care for them, with proper nutrition, medical wellness services and treatments that would otherwise be unavailable to them. Read More


Roman Khodzinsky, MD
Prior to joining Internal Medicine of Greater New Haven in 2007, Dr. Khodzinsky completed his residency training at Mount Sinai Hospital in Manhattan, and Elmhurst Hospital in Queens, New York. He earned his MD from Chernivtsy Medical State Institute, Ukraine in 1995. Dr. Khodzinsky is board certified in Internal Medicine and has hospital privileges at Yale New Haven Hospital.


Elizabeth Ahmed, MD
Dr. Elizabeth Ahmed earned her MD from the University of Illinois, where she previously earned an M.S. in immuno-parasitology. After completing a University of Illinois-affiliated family medicine residency in 1982, she served as assistant director of the residency program for a year. Since then she has been an ambulatory primary care/urgent care provider in Illinois, then for the last 30 years in Connecticut. She was a family physician in Old Saybrook for 14 years prior to joining the faculty physicians at Hospital of St. Raphael in 2007. She worked for nine years in the Pre-surgical Care Department at St. Raphael (later Yale New Haven Hospital-St. Raphael Campus), where she provided comprehensive medical clearances for preoperative patients. She joined Internal Medicine of Greater New Haven in 2016.


Erikka Baehring, APRN
Erikka Baehring is a graduate of Yale University and is board certified as an Adult Nurse Practitioner. She earned her Master of Science in nursing degree from Yale University in 2012 and her Bachelor of Science degree from Southern Adventist University in Collegedale, TN. She joined Internal Medicine of Greater New Haven in 2015 and brings almost 20 years of experience to the practice. Her interests include preventative medicine, chronic and acute care and geriatric medicine.


Edwin Bernabe, APRN
Edwin Bernabe earned a Master of Science degree in nursing from Quinnipiac University in 2010. He earned his Associate degree in Science from Excelsior College, Albany NY in 2004. He joined Internal Medicine of Greater New Haven in 2012.


Franklin DeDominicis
Franklin DeDominicis is a graduate of Hofstra University and board certified as a Physician Assistant by the NCCPA. He earned his Bachelor’s of Science in Biology at Marist College, Poughkeepsie NY. He joined Internal Medicine of Greater New Haven in 2017.


Ngozi Ikekpeazu, APRN
Ngozi Ikekepeazu joined Internal Medicine of Greater New Haven in 2014. She is a graduate of Quinnipiac University (2013) with a Master of Science in Nursing. She did her clinical rotations as a nurse practitioner student at Yale New Haven Hospital.


Leonid Karkanitsa, MD
Dr. Karkanitsa is a board certified Internist with a PhD in Epidemiology and Microbiology. Before joining Internal Medicine of Greater New Haven in 2008, Dr. Karkanitsa completed his residency and internship at Lutheran Medical Center, Brooklyn, NY. Dr. Karkanitsa actively pursues advanced training in various medical procedures to offer his patients a breadth of treatment options in maintaining optimal health, most recently completing training in Dermatological techniques. He treats his patients with the utmost care in a warm setting while utilizing state of the art therapies.


Robert Lebson, MD
Dr. Lebson attended the University of Michigan and the Albert Einstein college of Medicine in Bronx, NY, receiving his doctorate of medicine in its sixth graduating class. After training and serving in the United States Army in Vietnam, he became certified by the American Boards of Internal Medicine and Cardiovascular Diseases. Prior to joining Internal Medicine of Greater New Haven in 2015, he operated his own practice for nearly 40 years. He is pleased to bring this experience and the valuable art of listening to the care of his patients to Internal Medicine of Greater New Haven.


Ann Celeste Mapas-Dimaya, MD
Dr. Mapas-Dimaya is the newest physician to join the growing practice of Internal Medicine of Greater New Haven. Dr. Ann Celeste Mapas-DiMaya specializes in geriatric medicine, internal medicine, hospice and palliative medicine. She earned her MD from University of the Philippines, Manila Philippines in 1998. Dr. Mapas-Dimaya completed her Residency at Woodhull Medical Center, Brooklyn NY and her fellowship at Montefiore Medical Center, Bronx, NY. She is board certified in Internal Medicine and has hospital privileges at Yale New Haven Hospital.


Eszter Peterfi, APRN
Eszter Peterfi is a graduate of Southern Connecticut State University and board certified as a Family Nurse Practitioner by the American Academy of Nurse Practitioners. She earned her bachelor’s of science in nursing at Quinnipiac University. She has 15 years of experience as a nurse. She joined Internal Medicine of Greater New Haven in 2016. Her interests include preventative health and health promotion.


Lindsey Preo, APRN
Lindsey Preo joined Internal Medicine of Greater New Haven in 2015. She graduated from Southern Connecticut State University with her master of science in nursing degree. Lindsey is a board certified Family Nurse Practitioner by the American Academy of Nurse Practitioners. She received her bachelor of science in nursing degree from the University of Southern Maine. Lindsey’s clinical interests include preventative health, family care, smoking cessation counseling, and cancer prevention and early detection including genetic cancer screening. Lindsey is a member of the Connecticut APRN Society, and was recently recognized by the International Nurses Association as one of their 2016 Worldwide Leaders in Healthcare.


Sujata Prasad, MD
Dr. Sujata Prasad is a fellow of the American College of Physicians and has been in practice for 25 years practicing Internal Medicine and Primary Care. She joined IMGNH in 2017. Dr. Prasad dedicates a significant amount of her time to charity and is a clinical instructor at the Yale Primary Care program. Her interests include preventative medicine, primary care, travel medicine and mindfulness. She is fluent in English, Hindi, and Italian.


Benjamin Yeboah, MD
Dr. Yeboah joined Internal Medicine of Greater New Haven in 2012. He earned his MD from University of Ghana Medical School in 2001. He completed his residency in Internal Medicine and fellowship in Geriatric Medicine at the Hospital of Saint Raphael, New Haven, Connecticut. He is board certified in Internal Medicine and is a Hospitalist at Yale New Haven Hospital.


Madelyn Ziino, APRN
Madelyn Rubin is a graduate of Yale University School of Nursing and is board certified in Adult Primary Care and Gerontology by the American Academy of Nurse Practitioners. She earned her bachelors of science at Bates College in Lewiston, ME. She joined Internal Medicine of Greater New Haven in 2013 and her clinical interests include preventative health, geriatrics, cancer survivorship and weight loss counseling.


Rachel Cohen, PA
Rachel Cohen is a graduate of Yale University Physician Associate Program and board certified as a Physician Assistant by the NCCPA. She earned her Bachelor of Health Science at the University of Florida. She joined Internal Medicine of Greater New Haven in 2018.


Jennifer Crowther, PA
Jennifer Crowther joined Internal Medicine of Greater New Haven in 2017. She is a graduate of Keiser University in Fort Lauderdale, FL where she obtained her Master of Science in Physician Assistant degree. She is a board certified Physician Assistant by the NCCPA. She received her Bachelor of Science degree from Springfield College.


Steve Lamoureux, NP
Steve Lamoureux joined Internal Medicine of Greater New Haven in 2018. He is a graduate of University of Connecticut, Storrs CT where he earned his Masters degree in Science of Nursing. He is a board certified advanced nurse practitioner.

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