Dr. Michelle L. Lock

Dr. Michelle L. Lock

Michelle L. Lock, MD

Michelle Lock graduated magna cum laude from Luther College in Decorah, Iowa in 1997 with a Bachelor of Arts in Biology.  She received her M.D. from the University of Minnesota Medical School in 2002, graduating as a member of the Alpha Omega Alpha Honor Medical Society.  She completed her pediatric training at Oregon Health and Science University in 2005, and has worked in the greater Boston area as a general pediatrician since that time.  Dr. Lock is board certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics.  Dr. Lock is an active member of the Pediatric Physicians' Organization at Children's (PPOC).  She serves as Chair of their Quality Improvement Committee, as well as a Director on the PPOC Board of Directors.  She founded Commonwealth Pediatrics in 2015 with Dr. Espinosa-Louissaint.  

Dr. Lock lives with her husband, daughter, and Golden Retriever.  In her free time, she enjoys cooking, gardening, hiking, and watching baseball.   When she was little, she dreamed of being an astronaut.  

 Dr. Angelica Espinosa-Louissaint

Dr. Angelica Espinosa-Louissaint

Angelica Espinosa-Louissaint, MD

Angelica Espinosa graduated cum laude from Barnard College of Columbia University in 1997 with a Bachelor of Arts in Biology.  She received her M.D. from the Cornell University Medical College in 2001.  She completed her pediatric training at NYU Medical Center and Bellevue Hospital in 2004.  Dr. Espinosa is board certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics.  Dr. Espinosa is an active member of the Pediatric Physicians' Organization at Children's (PPOC).  She founded Commonwealth Pediatrics in 2015 with Dr. Lock.  

Dr. Espinosa lives with her husband and daughter.  In her free time, she enjoys attending the theater, cooking, and playing board games with her family.  When she was little, she dreamed of being a fashion designer or a brain surgeon.

 Maureen Pimentel PNP

Maureen Pimentel PNP

Maureen Pimentel, PNP

Maureen Pimentel graduated from Regis College with a Bachelor of Nursing degree in 2000, and then a Master of Nursing degree as a Pediatric Nurse Practitioner in 2010.  She then worked at Boston Children's Hospital in the department of General Surgery and then Transplant Medicine, providing clinical care to critically ill children.  She joined Commonwealth Pediatrics in 2018.  

Maureen lives with her family in Winchester.  When she was little, she dreamed of being a professional soccer player or a nurse.

 Elizabeth Morrison, LICSW

Elizabeth Morrison, LICSW

Elizabeth Morrison, LICSW

Elizabeth Morrison graduated from Boston College in 2010 with her Masters of Social Work with a concentration in mental health, where she enjoyed learning about the mental health system as a whole, as well as taking classes focused on Cognitive Behavioral Therapy, Trauma and Victimization of Youth and Adolescents, and Group Therapy. Throughout her career, she has gained experience working with both children and adults of all ages in various settings, such as schools, hospitals, residential programs, and outpatient clinics in the greater Boston area. Elizabeth enjoys using a dynamic and flexible approach to engage children, adolescents, and families in individual and group settings. 

In her free time, Elizabeth enjoys being outdoors, staying active, cooking, and spending time with family, friends, and goldendoodle.