Staff

Board Certification and Professional Memberships

All of the Pedi-Care physicians are licensed to practice medicine in Connecticut and are Board Certified by the American Board of Pediatrics with current Maintenance of Certification. We are Fellows of the American Academy of Pediatrics, and members of the Connecticut State Medical Society and Fairfield County Medical Association.

Hospital Appointments

We are Senior Attending Physicians in the Department of Pediatrics at Bridgeport Hospital, Bridgeport CT, with courtesy privileges at Yale New Haven Hospital, New Haven CT.

Nicholas P. Mongillo

MD, FAAP

Dr. Mongillo joined Pedi-Care in 1990. He graduated from St. George’s University College of Medicine and completed his pediatric residency (including an appointment as Chief Resident) at Bridgeport Hospital, Bridgeport, CT. Dr. Mongillo serves as Pediatric Medical Adviser for the Stratford Department of Health, Medical Director of Residential Facilities Saint Vincent’s Special Needs Center, and Community Health Educator for the Shelton Public Schools.
Michelle Rivelli

MD, FAAP

Dr. Rivelli joined Pedi-Care in 1992. She graduated from UCONN Medical School graduate and completed her pediatric residency at Yale-New Haven Hospital. Dr. Rivelli currently serves on the Board for Saint Catherine Center for Special Needs.
Christa L. Johnson

MD, FAAP

Dr. Johnson joined Pedi-Care in 1997. She received her medical degree from the University Of Connecticut School Of Medicine and completed her pediatric residency training at the University of Rochester in NY. Dr. Johnson has been a past volunteer Health Educator with the Shelton Public Schools and former Medical Consultant for the Make A Wish foundation. Since 2020, she has been a volunteer for the CT Medical Reserve Corps, Stratford/Trumbull/Monroe Health Departments.
Karen Piciw

PA-C

Karen joined Pedi-Care in 2017. She graduated from Alderson-Broaddus College with a Bachelor's Degree in Medical Science. She was also credentialed as a Physician Assistant by the NCCPA. Karen has been a P.A. for more than 25 years and spent most of her clinical time in the Pediatric field. Prior to joining our team at Pedi-Care, she worked at Norwalk Hospital. Her responsibilities included caring for sick children on the Inpatient unit, premature infants in the Neonatal Intensive Care unit and newborns in the Nursery.
Jacqueline Bridge

DNP, APRN, FNC-BC

Jackie joined Pedi-Care in 2022. She graduated from Roger Williams University with a Bachelor of Science in Psychology then attended St Vincent's College for her Nursing Degree.
She then graduated from Sacred Heart University with a Doctorate in Nursing Practice. She is credentialed as a Family Nurse Practitioner through the ANCC.Prior to joining Pedi-Care, she worked in Primary Care and at St. Vincent's Hospital in Cardiology.
Hanna Lee

DO

Hanna is originally from NYC. She had a non-traditional path into medicine. She graduated from Amherst College with a BA in Black Studies, then joined the US Peace Corps in Swaziland. It was her experience there that inspired her to go into medicine.
She went to Rowan University School of Osteopathic Medicine in Stratford, NJ, then completed residency in Reading, PA, and became board-certified in Family Medicine in 2019. She realized then she wanted to focus more on the care of children and went on to complete a Pediatrics residency at Nemours Children's Hospital in Wilmington, DE, and boards in 2022. She finally made her way to Connecticut to complete her Pediatric Infectious Disease Fellowship at Yale New Haven Children's 2022-2025.
Hanna joins Pedi-Care Pediatrics, excited and eager to provide general pediatric care along with her pediatric infectious disease knowledge! When Hanna is not in the office, she enjoys chasing her kids around a park, enjoying New Haven pizza, or finding the next best ice cream place!