• Covid Vaccination
    Pedi-Care will not be providing COVID vaccinations at this time. Yale, Hartford Healthcare, Connecticut Children's and Griiffin Hospital are all offering vaccination clinics for 5-11 year-olds.
  • Health Starts Early

Welcome to Our Practice

For over two decades, seven days a week, we have had the privilege of serving our community by providing comprehensive and compassionate medical care for infants, children, and adolescents. We thank our patients for the continued opportunity to contribute to their health and well-being. If your family is new to our practice, our physicians, nurses, and office staff look forward to getting to know you and your children. Within this site, you will find answers to questions you may have about our office and some common medical issues.

Contact Us

Contact us with the form below:

Meet Our Staff

  • 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.

  • 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.

  • Ariana M. Acquarulo
    MHS, PA-C

    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.

  • Karen Piciw

    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.

  • Michelle C. Popoli

    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.


What Our Clients Say About Us

    Testimonials Coming soon!


    Testimonials Coming soon!


Featured Articles

Read about helpful topics

  • Immunizations

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  • Center for Disease Control and Prevention

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  • Child Health Topics

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  • Traveling with Children

    Traveling with children requires special planning and preparation, especially when travelling abroad. There are many things parents should consider when traveling with children of any age. Visit the CDC™ Traveling with Children page for helpful resources on travel including: Safe food and water precautions, ...

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  • Product Recalls

    Child products, such as cribs and toys are often recalled due to a defect or hazard. It’s important to pay close attention to recalled consumer goods to protect your child from dangerous items. Visit this site frequently to ensure that the products your child is using have not been recalled by their ...

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  • Car Seat Recommendations

    As a parent, it is your job to protect your child when riding in a vehicle. Using car seats properly helps keep children safe. But with so many different types of car seats on the market, understanding how to use them correctly can be overwhelming for parents. Visit the AAP™ Car Seat Safety Information ...

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  • Breast Feeding

    We understand many women may be apprehensive or unsure at first about breastfeeding vs. bottle-feeding their baby. It’s normal to have many questions related to breastfeeding. Our doctors are here to support you. La Leche League was founded to give information and encouragement, mainly through personal ...

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Our Location

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Hours of Operation

Please be aware that evening and weekend appointments are subject to an additional after hours fee



8:00 am-6:00 pm


8:00 am-5:00 pm


8:00 am-5:00 pm


8:00 am-6:00 pm


8:00 am-5:00 pm


9:00 am-2:00 pm


9:00 am-1:00 pm