Meet Our Medical Providers

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.

Education and Community Service

Melanie G for website (1)

Melanie J. Georgalas, MD, FAAP

Dr.Georgalas joined Pedi-Care in 1990. She graduated from Albert Einstein College of Medicine in NY, NY and completed her pediatric residency at Yale-New Haven Hospital. Dr. Georgalas serves as Consulting Physician for several local nursery schools and daycare centers.

Mongillo 4 web

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 4 web

Michelle Rivelli, MD,


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.

Johnson 4 web

Christa L. Johnson, MD,


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, Rochester, N.Y. Dr. Johnson serves as a Community Health Educator for the Shelton Public Schools.

Ariana 4 web

Ariana M. Acquarulo, MHS,


Ariana joined Pedi-Care in 2015. She graduated with her Bachelor of Science Studies Degree from Quinnipiac University in 2013 and her Master of Health Science Degree from Quinnipiac University and was credentialed as a Physician Assistant by the NCCPA in 2015. Prior to Pedi-Care, Ariana completed clinical rotations in General Pediatrics and Pediatric Hematology-Oncology.


Victoria C. Cabral, MSN, APRN, PMHNP-BC

Victoria joined Pedi-Care in January 2017. She graduated from Yale University School of Nursing with her Master's degree in advanced practice Psychiatric Mental Health Nursing. She is trained across the lifespan, working with children to geriatrics. Her experience includes inpatient child and adult psychiatry, in-home family behavioral therapy, dual diagnosis and outpatient community mental health. She is an active member of the American Psychiatric Nurse's Association.

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. 


Kate Woll, MD

Dr. Woll joined Pedi-Care in 2018. She graduated from Upstate Medical University in Syracuse, NY and completed her Pediatric Residency at Duke University in Durham, NC. Dr. Woll has been in private practice in North Carolina and in Connecticut before joining Pedi-Care.


Michelle C. Popoli, DNP, FNP-C, APRN, CLC

Michelle joined Pedi-Care in 2018.  She graduated with her Bachelor of Science degree in Nursing from Quinnipiac University in 2010 and her Doctor of Nursing Practice degree from Quinnipiac University in 2018.  She is credentialed as a Family Nurse Practitioner by the American Academy of Nurse Practitioners.  Prior to joining our team at Pedi-Care, she worked at Yale New Haven Hospital caring for well newborns and their mothers during the peripartum period.  She is also a Certified Lactation Counselor.


Marissa Bayerl, MSN, APRN, PMHNP-BC

Marissa joined Pedi-care in January 2019. She graduated from Yale School of Nursing with her Master's Degree in Psychiatric Mental Health Nursing, certified as a Nurse Practitioner through ANCC. She is trained across the lifespan working with children through older adults. Her experience includes outpatient community mental health for adolescents and adults, outpatient substance abuse care, inpatient adolescent and adult psychiatry, and outpatient child and adolescent psychotherapy. She is a member of the American Psychiatric Nurses Association.