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Our Team

Dr Umberto Cellupica

Dr. Umberto Cellupica, MD, FRCPC

Dr. Cellupica has been practicing General Pediatrics in Vaughan since 2000. He is the Medical Director at Pivotal Minds ASD Treatment Centre. He has a special interest in Developmental Pediatrics, and in Autism Spectrum Disorders in particular. Dr. Cellupica has been asked to serve on committees dealing with Autism at both the Provincial and Federal level.

Dr. Cellupica received his training from the University of Toronto, Queen's University, and the Hospital for Sick Children. He is a Lecturer in the Department of Pediatrics, University of Toronto.

Dr. Saba Merchant, MD, FRCPC

Dr. Saba Merchant, MD, FRCPC

Dr. Merchant has been practicing General Pediatrics in Vaughan since 2004. She also works with the Children's Treatment Network of Simcoe-York in the area of Developmental Pediatrics. She maintains hospital privileges at Mackenzie Health Hospital . She holds a faculty position in the Department of Pediatrics at the University of Toronto. Dr Merchant is a Peer Assessor with the College of Physicians and Surgeons of Ontario. She also serves as a Director on the board of the Vaughan Community Health Centre.

Dr. Merchant completed her pediatric residency at the Hospital for Sick Children in 2004 .She graduated from medical school in 1994 from University of Amravati, India.Dr Merchant resides in Vaughan with her husband and daughter.

Dr. Amani Roushdi, MBBCh, FRCPC

An accomplished Pediatrician and Pediatric Nephrologist, Dr. Roushdi is available to see patients in consultation and for primary care. She is on staff at Mackenzie Health and she provides nephrology consultations to local pediatricians and family physicians.

Dr. Samantha Witt, MD, FRCPC

Dr. Samantha Witt is a General Pediatrician who started her practice in 2014. She also works with the Children's Treatment Network of Simcoe-York in the area of Developmental Pediatrics. Dr. Witt holds a faculty position in the Department of Pediatrics at the University of Toronto.

Dr. Witt completed undergraduate degrees in Biology and Psychology from York University, and in Education from the University of Western Ontario. She graduated from medical school at the University of Calgary before completing her Pediatric Residency at the University of Manitoba, during which time she was also Chief Resident.

Dr. Witt is a member of the Canadian Pediatric Society and the American Academy of Pediatrics.

Dr Daniel Ostro, MD, FAAP

Dr Daniel Ostro is a General Pediatrician at the Maple Kidz Clinic. He is an attending Pediatrician at the Mackenzie Health Hospital. Dr Ostro completed his Pediatric residency and was Chief Resident at SUNY Downstate Medical Centre, in Brooklyn, New York.
Dr Ostro is certified by the American Board of Pediatrics and is a fellow of the American Academy of Pediatrics(FAAP).

Aileen - Office Manager

Aileen - Office Manager

Aileen joins us with over 10 years of experience in the medical field. She has completed Leadership in Healthcare Management program. She worked and managed medical offices. We are very excited to have her on our team as our office manager. If you have any questions, concerns or any feedback, please do not hesitate to contact her at aileen@maplekidz.ca.

Dava - Registered Nurse

Dava - Registered Nurse

Dava is a registered nurse with pediatric knowledge. She works closely with our pediatricians in preparing children for visits, providing treatment when necessary, and minimizing pain and discomfort when administering vaccines.

Rachel - Nurse

Rachel - Registered Practical Nurse

Rachel completed her Registered Practical Nursing Diploma from Seneca College. She has worked with children since 2010. She works closely with our pediatricians to ensure the best health for the children at the clinic. She is currently in the process of becoming a Lactation Consultant.

Mahsa

Mahsa - Medical Secretary / Reception

Mahsa joins our clinic with 6+ years experience in Medical Administration. She has previous experience as an Early Childhood Education Professional for 7 years. She completed her Bachelor’s degree in Math. She loves the patients at Maple Kidz Clinic as "they make everyday a good day." Mahsa considers Maple Kidz Clinic as part of her family, working closely with great pediatricians and helping patients and families to reach their goals.

Sharon

Sharon - Medical Secretary / Reception

Sharon joins our clinic with over 10 years of experience working as a Secretary in the Medical field. She previously worked in the field of Dermatology for 10 years. She has completed courses in Medical Terminology. She is dedicated to her job and cares about the needs of others. Sharon is always ready to help and assist with a smile on her face! If you need her assistance you can always find her at the front desk.