Meet our team at Grello Pediatrics PC! Please take a few moments to learn about our skilled practitioners and our friendly, nurturing staff.

At Grello Pediatrics PC, we consider it both a great joy and responsibility to care for children. Most of us are parents ourselves, so we strive to be understanding and available to the families we are privileged to serve. We are honored that you have chosen us as your child's primary medical provider and are confident that you will be pleased with the quality of care and service that we can provide you and your family.

A vital part of our service to children begins with our outstanding staff who works hard to manage and maintain a professional, caring and supportive environment for our patients in a timely manner. Our doctors are lifelong learners. Not only have they received advanced medical training in pediatrics, they continually pursue ongoing education to stay abreast of the latest in child health care.

Your child's health is as important to us as it is to you. We look forward to providing you with excellent medical care your child deserves.

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Dr. Ciro Grello Grello Pediatrics has been a family owned practice serving the West Islip community since 1975. Dr. Ciro T. Grello joined in July 1992 after completing his pediatric residency training program at New York Hospital/Cornell Medical Center (7/89- 6/92). He graduated magna cum laude from Colgate University then attended the University of Virginia School of Medicine (class of 1989). Dr. Grello has been a member of the American Academy of Pediatrics since 1992 and has been board certified by the American Board of Pediatrics since I 0/92. He is currently an attending physician at both Good Samaritan Medical Center and Southside Hospital. Dr. Grello has been a lifelong resident of the local community and enjoys all outdoor activities, including boating and fishing and spending time with his wife and three children. He has been proud to serve the family practice for the past 21 years and looks forward to caring for the next generation of patients from birth through their college years.

Dr. Christine Robles Christine Robles, a native New Yorker from Jackson Heights, Queens, made up her mind to become a pediatrician at the ripe old age of nine. She graduated from the New York College of Osteopathic Medicine at NYIT in Old Westbury in 2007 and completed her pediatric residency training at both Winthrop University Hospital and Good Samaritan Hospital in 2010. She is board certified in General Pediatrics and is affiliated with both Southside Hospital and Good Samaritan Hospital. After working for a private pediatric office in the Bronx the first two years after residency, she returned to work at Grello Pediatrics in January 2012 and has been very happy there ever since. She enjoys spending time with her family and singing karaoke, and she is fluent in Spanish.

Mariel Wenzel N.P.

Mariel Wenzel comes back to her hometown of Bay Shore, and joins the Grello Pediatric Team after working with the Pediatric Cardiology Team at Winthrop University Hospital as a nurse and exercise physiologist. She graduated from Columbia University Medical Center in New York, N.Y. after completing her bachelors and her masters in nursing. Mariel also has her master's degree in Exercise Physiology from Adelphi University and is currently studying for her Doctorate of Nurse Practitioner at Columbia University. She is a board certified pediatric nurse practitioner. Mariel is so happy to be back home and close to her family and loves her poodle Jack! Mariel enjoys skiing, going to the beach and taking care of her pediatric patients!