Who We Are

Our Providers

  • Ashley A. Ferullo, MD, FAAP

    Owner, Pediatrician

    Dr. Ferullo has been at the practice since 2013 and became practice owner of Giving Tree Pediatrics in June 2022. Dr. Ferullo grew up in Boston, MA, attending the Winsor School and then going to Johns Hopkins University where she majored in Public Health Studies, while also fulfilling pre-med requirements. She attended The University of Massachusetts Medical School, graduating in 2010. She then completed her pediatric residency training at Massachusetts General Hospital.

    While Dr. Ferullo practices all aspects of pediatric care, she particularly enjoys newborn care, discussing starting first foods, healthy eating for all ages and working through behavioral challenges in the toddler and preschool age group. Dr. Ferullo lives locally with her husband and two children. When not at the office, Dr. Ferullo enjoys baking, cooking, staying active and finding time to be silly with her kids.

  • Rebecca F. Piekarski, MD, FAAP

    Pediatrician

    Dr. Piekarski grew up locally in Sudbury, MA. She completed her undergraduate studies at Colby College and earned her medical degree from the University of Massachusetts Medical School. She completed her pediatric residency training at Mass General Hospital for Children and remains involved in medical education. She is a board certified pediatrician.

    Dr Piekarski joined the practice in 2017 and truly appreciates the privilege of caring for families within her own community. She loves seeing children of all ages and enjoys helping families to navigate the joys and challenges of parenthood. She believes partnering with parents allows her to provide superior care from infancy through young adulthood.

    She and her husband, Drew, live locally with their family. When she is not in the office, she is chasing after her strong willed and active children.

  • Anna M. Brownstein, DO, FAAP

    Pediatrician

    Dr. Brownstein joined our practice in July 2022. Originally from Maryland, she completed her undergraduate studies with a B.S. in Biology from College of Charleston. She then did one year of research at NIH, followed by a Graduate program at Georgetown and George Mason University. She attended Campbell University School of Osteopathic Medicine in North Carolina for medical school, and completed her Pediatric Residency at Prisma Health in Greenville, SC. She is board-certified in Pediatrics, and loves to see patients of all ages.

    In her free time, Dr. Brownstein enjoys exploring all that New England has to offer with her husband and three children. She is excited to be practicing at Giving Tree Pediatrics, continuing to provide excellent quality of care for all patients!

    Dr. Brownstein is fluent in both English and Hungarian.