Meet Our Experienced Physicians

Joseph Colasanto M.D., M.S.

Office Locations: Hartford, Enfield
Dr. Colasanto graduated from South Windsor High School in 1985. He received his Bachelor of Science degree in Physiology and Neurobiology from the University of Connecticut in 1989. Afterwards he worked in research at the University of Connecticut Health Center, designing and testing new pain medications at the cellular level. He then received his Master of Science degree in Physiology and Biophysics from Georgetown in 1993 after which he attended the University of Connecticut School of Medicine and received his M.D. in 1999.

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David Grew M.D.,

MPH

Office Locations: Hartford, Enfield
Dr. David Grew is originally from West Hartford, CT. He attended Northwest Catholic HS where he met his wife. Dr. Grew performed his undergraduate studies at Fordham University in Bronx, NY, earning a BS in Biological Sciences and Ecology.

Richard Shumway M.D.

Office Location: Hartford
Dr. Shumway is a board-certified Radiation Oncologist originally from western Massachusetts who graduated magna cum laude from the University of Massachusetts, Amherst with a B.S. in Microbiology. He then obtained his medical degree at the University of Vermont College of Medicine.

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Eric van Rooy M.D.

Office Location: Hartford
Dr. van Rooy earned his undergraduate degree in Biochemistry and Forestry from Syracuse University in 1985. He pursued and obtained in 1989, his doctorate in Medicine at the SUNY-Health Science Center in Syracuse, NY.
Following an internship at the Yale University-New Haven Medical Center, he completed his residency in Radiation Oncology at the SUNY-Health Science Center in Syracuse in 1994, where he was chief resident and an American Cancer Society – Clinical Oncology Fellow. He became Board Certified in Radiation Oncology in 1996.