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Meet Our Physicians


Dr. Burton Rubin graduated from the Albert Einstein College of Medicine in 1988 after receiving his undergraduate degree from Princeton University. He is on the active medical staff at Greenwich Hospital, is board certified by the American Board of Internal Medicine, and has practiced with the Old Greenwich Medical Group since 1991.


Dr. Rubin has held leadership positions in several local medical organizations. He served as president of the Fairfield County Medical Association from 2006-2008 and president of the Greenwich Physicians Association from 2000-2010.  Dr. Rubin is also a volunteer with the Americares Free Clinics.  He lives with his wife and five children in Stamford, and has completed the New York City Marathon eight times.



Dr. Rebecca Warkol has been practicing in Old Greenwich, Connecticut since 2007. She graduated from The University of Michigan, then earned her MD from New York Medical College. She trained in Internal Medicine, specializing in Primary Care, at Montefiore Medical Center, Albert Einstein's teaching hospital located in the Bronx, New York. She is Board Certified by the American Board of Internal Medicine. She is an active staff member at Greenwich Hospital. 


Dr. Warkol specializes in women's health, preventive medicine, cardiovascular risk reduction, early cancer detection, and nutrition. Dr. Warkol is married and has two children. She enjoys spending her free time bike riding, gardening, spinning on her Peloton, yoga, cooking and entertaining.


Dr. Melanie Kelton graduated from the University of Pennsylvania, and then earned her MD from Jefferson Medical College in Philadelphia. She trained in Internal Medicine at The New York Hospital/ Cornell Medical Center. After that, she practiced for 11 years at Mt. Sinai Hospital Internal Medicine Associates. Dr. Kelton was on the faculty of the Mt. Sinai School of Medicine as a Clinical Assistant Professor of Medicine. She has been practicing in Old Greenwich since 2001.  Dr. Kelton is board certified by the American Board of Internal Medicine. 


Dr. Kelton's interests include preventive care, women's health, and cardiovascular risk reduction. Dr. Kelton is married with 2 college age children. In her free time, she enjoys exercising, playing tennis, reading and spending time with friends.


Dr. Lodato, a native of Greenwich, graduated as salutatorian of Greenwich High School’s class of 1995. She received her undergraduate degree in Anthropology from Brown University in 1999.  She graduated from New York University School of Medicine in 2007.  She completed internships in medicine at Maine Medical Center and surgery at Beth Israel Deaconess Medical Center of Boston. She then completed her training in Internal Medicine at the University of Texas Health Science Center Houston, followed by a fellowship in Hospice and Palliative Medicine at Dartmouth-Hitchcock Medical Center. From 2013 - 2020 Dr. Lodato worked as a hospitalist at Greenwich Hospital. She is board certified in Internal Medicine and Hospice and Palliative Medicine by the American Board of Internal Medicine.  Dr. Lodato enjoys spending time with her family, especially, walking with her husband John in the woods with their dogs. She also loves to bicycle!

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