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Meet Our Team

At Commonwealth Pediatrics, we believe in building healthy families -- together. Our office is a place for parents, caregivers, and children from infancy through young adulthood to share their goals for the future. Our team is here to help them manage their health and avoid illness so those goals can be realized. We are members of the Pediatric Physicians' Organization at Children's (PPOC), and the Boston Children's Hospital Primary Care Alliance. As such, we collaborate with a network of nearly 500 pediatric providers across the state of Massachusetts, as well as specialists from Boston Children's Hospital. This helps us provide innovative care for chronic medical conditions like acne, ADHD, allergies, anxiety, concussions, depression, headaches, and simple orthopedic injuries right in our office. We are committed to providing safe, high-quality medical care for all, with a personal touch and a sense of fun. If you are looking for someone to partner with your family as it grows and thrives, we invite you to join us at Commonwealth Pediatrics!

Physicians

Learn more about Michelle Lock, MD

Pediatrician, Co-founder, Commonwealth Pediatrics

Learn more about Angelica Espinosa-Louissaint, MD

Pediatrician, Co-Founder, Commonwealth Pediatrics

Nurse Practitioners

Learn more about Rebeka Keuten, PNP

Pediatric Nurse Practitioner, Commonwealth Pediatrics

Learn more about Jacqueline Marong, CPNP

Nurse Practitioner, Commonwealth Pediatrics

Nurse

Learn more about Shannon Breitenbach, RN, BSN

Nurse Manager, Commonwealth Pediatrics

Clinical Social Workers

Learn more about Elizabeth Morrison, LICSW

Clinical Social Worker, Commonwealth Pediatrics

Administrative

Kim Peloquin

Office Manager

kpeloquin@commonwealthpediatrics.com