Our Physicians - Childrens Medical Group

Sejal Dalwadi, M.D.

Dr. Sejal N. Dalwadi joined The Children's Medical Group in July 2004. Born and raised in Connecticut, she graduated Summa Cum Laude with a Bachelor of Science in Molecular and Cell Biology from the University of Connecticut. Dr. Dalwadi received her medical degree from the University of Connecticut School of Medicine in 2001, and completed her pediatric specialty training at Yale New Haven Hospital in 2004. Dr. Dalwadi is Board Certified in Pediatrics. She is certified in Pediatric Advanced Life Support and Neonatal Advanced Life Support, and is a fellow of the American Academy of Pediatrics. Dr. Dalwadi is married and lives locally. She enjoys spending time with her family, traveling, and reading.

David Fenner, M.D.

Dr. Fenner came to Poughkeepsie in 1985. A magna cum laude graduate the Albert Einstein College of Medicine, where he also completed his Pediatric residency. Honored as a 4th year Chief Resident, he was a recipient of the prestigious Leo F. Davidoff Award for outstanding medical student teaching. Dr. Fenner was an Assistant Professor of Pediatrics at the Albert Einstein College of Medicine and Attending Physician at the Bronx Lebanon Hospital Center. He has chaired the Vassar Brothers Hospital Credentials Committee and has served on the Board of Directors of Rehab Programs Incorporated. Dr. Fenner, along with Dr.'s Blum, Aronzon and Schaffer, were named as Physicians of the year by Vassar Brothers Hospital in 1995. It was the first time a group was honored this way. He is interested in Pediatric Sports Medicine and the child with chronic disease. He is board certified in Pediatrics and Pediatric Advanced Life Support and a Fellow of the American Academy of Pediatrics.

Adrian J Gruszko, M.D.

Dr. Gruszko joined us in 1999 and has practiced in Poughkeepsie since 1997 at Kaiser Permanente Medical Group. Dr. Gruszko is a graduate of the University of Buenos Aires Medical School in Argentina. He first completed a Pediatric Residency as well at Pediatric Intensive Care Fellowship at Gutierrez The Children's Hospital in Buenos Aires. He then came to the United States where he completed his second Pediatric Residency at Albany Medical Center in Albany, New York. He is bilingual in Spanish. Dr. Gruszko is a Fellow of the American Academy of Pediatrics, Board Certified in Pediatrics and in Pediatric Advanced Life Support. He is interested in emergency medicine and trauma, and in Pediatric infectious disease.

Marc Habert, M.D.

Dr. Habert joined the group in 2001. He is a graduate of The Mount Sinai School of Medicine, where he also completed his Pediatric residency. Honored as a 4th year Pediatric Chief Resident, he was the recipient of the prestigious Bella Schick Award for Excellence in Pediatrics. He was also awarded the Pediatric Resident Clinician and Teacher Award by his peers. Dr. Habert practiced general Pediatrics at the Pediatric Group of New Rochelle. His interests include infectious diseases, sports medicine, asthma, and developmental Pediatrics. He is board certified in Pediatrics and Pediatric Advanced Life Support and is a Fellow of the American Academy of Pediatrics.

Herschel R. Lessin, M.D.

Dr. Lessin has been a practicing Pediatrician in the Hudson Valley since 1982. He received his Doctor of Medicine from Stanford University in Palo Alto California and completed three years of Pediatric Residency training at Yale-New Haven Hospital. He is a founding partner and serves as both Medical Director and Director of Clinical Research at the Children's Medical Group. Dr. Lessin was a founding member of the Taconic IPA and served as its Chairman for 14 years. That organization which boasts over 2000 physician members serving over 150,000 patients in the Hudson Valley. Dr, Lessin has broad media experience in radio, print, television and internet venues in which he provides patient education and is a member of the National Association of Medical Communicators. He appears as host of "Kidstuff" on local, author of "Pediatrician on Call" in the Poughkeepsie Journal, has appeared on local television, and has written broadly on the internet health information portal, Healthology.com. Dr. Lessin is active on a national level in the American Academy of Pediatrics and has been invited to speak at several national Pediatric conferences. On a local level, he has served on the board of the March of Dimes, the American Cancer Society and the Tobacco Free Action Coalition. He was also the spokesman for the Make a Wish Foundation's Adopt an Angel campaign. He has served as President of the Mid-Hudson Pediatric Society and as Director of the Vassar Brothers Hospital Neonatal Special Care Unit. He is frequently called to testify as an expert in Pediatrics in medical malpractice litigation. He is board certified in Pediatrics and in Pediatric Advanced Life Support. Dr. Lessin is particularly interested in the treatment of Pediatric Asthma and of ADHD. He is married with two grown children.

Lynne M. Liptay, M.D.

Dr. Liptay has practiced pediatrics in the Hudson Valley since 1976. She is a graduate of Yale Medical School and completed her residency in Pediatrics at Montefiore Hospital in New York City. Dr. Liptay’s interests include the care and treatment of children with chronic disease, developmental disabilities, behavioral problems as well as adolescent medicine. Dr. Liptay serves on the board of Anderson School and Northern Dutchess Hospital. She is board certified in Pediatrics and a Fellow of the American Academy of Pediatrics.

Appointments: 845.452.1700

Childrens Medical Group

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