Meet our friendly, experienced pediatricians and staff at Bellmore Merrick Pediatrics & Adolescent Medicine! Our entire team is dedicated to helping you and your child feel at home from the moment your walk through the door. We're proud to be members of the Bellmore community and serve the needs of their children.

We pride ourselves in being an exceptional clinic where children come first. Our child-focused practice works hard to meet the needs of children from infancy through adolescence. Compassionate, knowledgeable and supportive staff is the cornerstone of Name of Bellmore Merrick Pediatrics & Adolescent Medicine's quality care. All of our pediatricians and medical staff are highly trained professionals, and maintain the highest level of accreditation in pediatrics to address the special needs of infants, children, and teens.

We strive to treat each and every patient as we would want our own children to be treated. Our doctors and staff look forward to building a relationship with you and your family.

Dr. Lewis Jassey

A pediatrican for over seventeen years and founder of Bellmore-Merrick Pediatrics and Adolescent Medicine, Dr. Lewis Jassey has come full circle in life; practicing medicine in the area that he grew up in. He attended a seven year combined BS/DO program at NYIT, graduating from NYCOM medical school in 1994. Dr. Lewis Jassey completed his pediatric residency program at NUMC in 1997, and has been in private practice in this community ever since. He has played an active role on the executive board of the Nassau Pediatric Society, and is a long time member of the American Medical Association, American Osteopathic Association, and the American Academy of Pediatrics. Dr. Lewis Jassey is involved with many philanthropic ventures, including working with the NY State ALS Chapter, Autism Speaks, American Cancer Association, Haiti earthquake relief efforts, and Japan tsunami and earthquake relief efforts. Married for eleven years, he and his wife have two beautiful children, Julia and Mya.  When Dr. Lewis Jassey is not running this practice, he is coaching both his children in multiple sports, and has been recording music for the last twenty four years.


Dr. Jonathan Jassey

Dr. Jonathan Jassey grew up and went to school in the Bellmore-Merrick area and is thrilled to treat the community in which he was raised.  Dr. Jassey completed his Residency in Pediatrics at Winthrop University Hospital.  Dr. Jassey takes a lot of pride in treating the "colicky" infant and getting a baby sleeping through the night at a young age.  Dr. Jassey is the co-author of "The Newborn Sleep Book," based on his tremendous success with his methods. As a reflection of his superior bedside manner and the impact he has made in the health of his patients, Dr. Jassey has received the Patients’ Choice Award for three consecutive years, and the Compassionate Doctor Recognition.  The Patients’ Choice Award in particular is given to practitioners who have gotten near perfect scores by votes from patients.  In addition to enjoy caring for his three children, Dr. Jassey is an avid sports fan and major food lover.


Dr. Annette Beharry

Dr. Beharry received her undergraduate degree from the City University of New York at Queens College. She graduated from medical school at the  New York College of Osteopathic Medicine, and completed her pediatric residency and chief residency at Winthrop University. Dr. Beharry has practiced general pediatrics at Bellmore-Merrick Pediatrics and Adolescent Medicine since 2006. She currently lives in Manhattan with her husband, and enjoys traveling.

Dr. Richard Clare

Dr. Clare is a graduate of the City University of New York – Brooklyn College where he obtained a Bachelor of Science degree in health science. After graduating, he worked for the Arthur Ashe Institute for Urban Health as a community project coordinator and health science educator. Dr. Clare later went on to complete a Master’s degree in Public Health at the State University of New York – Downstate Medical Center. He has always aspired to be a physician. This passion, coupled with his background in public health, has led him to pursue a career in family medicine. Dr. Clare completed his medical degree at New York Institute of Technology College of Osteopathic Medicine in 2013 and completed his residency in Family Medicine at Nassau University Medical Center in 2016. Dr. Clare enjoys spending time with family and currently resides in Brooklyn with his wife and daughter. We are very excited to have such a wonderful and compassionate physician join our family here, and help to provide wonderful care to all of yours. 


Heather Walderman-Hutzler, P.A.

Heather received her Bachelor of Science degree from St. John's University and her Physician Assistant certificate from St. Vincent's Catholic Medical Center in 2000. Upon graduation she joined Dr. Lewis Jassey at a pediatric practice in Merrick, and relocated with him when he opened Bellmore-Merrick Pediatrics and Adolescent Medicne in 2001 where she worked full time until she had children. Heather is married and has two children, Haley, and Noah. She enjoys church, bible study, baking, sports, hiking, and playing with her children.


Cyd Greco, N.P.

Cyd has always been a caring person and knew that she wanted to go into the medical field.  She received her Bachelor of Science in Nursing degree from Syracuse University and continued on to receive her Master's of Science as a Family Nurse Practitioner from SU as well.  She was born and raised in Merrick and is proud to live there now as an integral part of the community.  The satisfaction she receives from her job is beyond anything she could have imagined as a professional. She is married to her college boyfriend and they are blessed to have a wonderful son.  In her spare time she enjoys cooking/baking, exercising, and spending time with her family.


Dr Erika Schwarz-Cohen

Erika Schwarz-Cohen, MD is a Board Certified Family Medicine Doctor in private practice. She studied at the University of Miami for undergraduate with a Bachelor of Science in Biology and Psychology.  She received her Doctorate of Medicine at the Universidad Iberoamericana in Dominican Republic. Dr. Schwarz-Cohen completed her residency at North Shore Glen Cove in Family Medicine. In the eight years since completing her residency, she has had experience in Internal Medicine, Pedicatrics, Adolecents, Gynecology, Urgent care and Aesthetic Medicine.  Dr. Schwarz-Cohen is affiliated with Winthrop, Noth Shore Manhasset, Long Island Jewish and South Nassau Community Hospital.


Ryan Buckley

Ryan attended the University of Albany where he obtained a bachelors degree in Human Biology and Science while also working as an Emergency Medical Technician. After graduating with full honors he went on to receive his Masters of Physician Assistant Studies from Albany Medical College. Ryan has returned to Long Island where he grew up in Seaford to further his passion for helping others alongside Dr. Jassey and the excellent staff here at Bellmore Merrick Medical. In his free time Ryan enjoys playing sports and spending time with his family.


Claire Werner PA-C

Claire is a Long Island native who loves family, faith and a good laugh! She received her Physician Assistant degree from Marywood University in Scranton, Pennsylvania, and she is happy to be back home! Ever since day one, Claire knew she wanted to work in pediatrics, so she is thrilled to be a part of this awesome team. She also has a passion for music and is a lead singer for a contemporary Christian band.


Cristina Comparetto, PA

Cristina has been a part of the Bellmore-Merrick Medical family since 2015. She grew up in Bethpage, NY. She attended Quinnipiac University in Hamden, CT where she graduated with a Bachelors degree in Health Science Studies. From there she continued her education through the Masters program at Quinnipiac in Physician Assistant Studies. Cristina has always believed in the empowerment of young girls. She previously ran a youth cheerleading league where she worked with girls to set and accomplish goals. Now she has taken her passion for helping children to our practice where she is honored to work with children and adults of all ages.