
Who We Are
Our Providers
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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.
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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.
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Alexandra Wallace MD, FAAP
Pediatrician
I was born in Miami, Florida and enjoyed year-round sunshine until I moved to Boston for college. I studied Biochemistry at Northeastern University while falling in love with all New England has to offer. I decided Boston would be my permanent home while attending Tufts University School of Medicine, followed by my Pediatric training at MassGeneral Hospital for Children through Harvard Medical School. While at MGH, I received the “Back to Bedside” grant and built a library of books for children admitted to the hospital. I can happily say that along the way, I figured out a proper winter wardrobe and now can’t imagine life without a perfect, crisp New England fall.
When not at work, I love to explore the city, hang out at our nearby Jamaica Pond, go on long bike rides, and hike mountains in Maine and Vermont. I am absolutely humbled and thrilled to be joining Giving Tree Pediatrics and I am looking forward to building my practice alongside my husband Will and my two kids.