Sally S. Roth, MD

Dr. Roth is a graduate of Smith College and Case Western Reserve Medical School. She trained at Yale New Haven Hospital, completed a fellowship in Ambulatory Pediatrics and was on the Pediatric Faculty at the University of Florida. She is Board Certified in Pediatrics.

Sari J. Rotter, MD

Dr. Rotter began her career on staff at Boston Children's Hospital prior to entering private practice. She is a graduate of Simmons College, University of Wisconsin School of Medicine and Public Health, trained at Boston Medical Center and Boston Children's Hospital and completed a fellowship at Boston Children's in Developmental Pediatrics. She is Board Certified in General Pediatrics.

Susan B. Laster, MD

Dr. Laster began her career working for 2 years at MGH Revere Healthcare Center and subsequently joined Drs Roth and Rotter. She is a graduate of Harvard College, Boston University School of Medicine, and trained at Massachusetts General Hospital where she also spent a year as Chief Resident of the MGH Pediatric Service. She is Board Certified and continues to maintain her Board Certification. She is also on the Board of Directors of the Pediatric Physicians Organization of Children’s Hospital.

Magdalena D. Ivanova, MD

Dr. Ivanova is a board-certified pediatrician who joined Drs. Roth, Rotter, & Laster in 2023. She received her Bachelor of Arts degree in Biology from the University of Chicago and her medical degree from Harvard Medical School. She completed her residency training with the Boston Combined Residency Program at Boston Children’s Hospital and Boston Medical Center. In her free time, she enjoys exploring the outdoors, gardening, and spending time with her family and cat Zara.