About Us

Pediatric Practice

Dr. Shirley Sit
MASc, MD, FRCPC, FAAP
Dr. Sit has been practicing general pediatrics since 1997 and has a passion for her work.  Dr. Sit attended the University of Toronto Medical School followed by residency in Pediatrics at the University of Western Ontario. She spent an extra year of training in Pediatric Emergency Medicine at the Children’s Hospital of Western Ontario. She is currently on staff at Humber River Regional Hospital. 

Dr. Amy Lavarato
BSc, MD, FAAP
Dr. Lavorato completed her pediatric residency in Brooklyn, New York at Maimonides Infants and Children’s Hospital.

Dr. Sit is available by appointment Mondays, Tuesdays, Thursdays, and Fridays. Dr. Lavorato is available by appointment on Wednesdays. New patients are welcome.

After Hours Pediatricians

The After Hours Children’s Clinic is staffed by a core group of pediatricians with extensive experience both within the hospital and in the community. Physicians staffing the After Hours Children’s Clinic are:

Dr. Narendra C Singh
BSc, MB.BS, FRCPC, FAAP, FCCM

  • Chief of Pediatrics, Humber River Regional Hospital
  • Assistant Professor of Pediatrics, University of Toronto

Dr Singh completed pediatric training at the University of Western Ontario and a fellowship in pediatric critical care at the Hospital for Sick Children and the Children’s Hospital of Pittsburgh. Dr Singh is on staff at the Humber River Regional Hospital and the Doctors Hospital at Renaissance in Texas.

Dr. Shirley Sit

Dr. Jay Dahman
MD, FAAP

  • Pediatric Hospitalist

Dr Dahman completed his pediatric training in the United States and currently has a Pediatric Practice in Whitby. Dr Dahman is also on staff at Humber River Regional Hospital.

Dr. Jasvinder Dhillon
MB.BS, FAAP, FRCPC

Dr Dhillon completed pediatric training at the University of Saskatchewan and a fellowship in pediatric critical care at the University of Western Ontario. Dr Dhillon continues to practice critical care in Virginia and is on Staff at Humber River Regional Hospital.

Dr. Joao Manuel Mendes
MD, FRCPC

Dr Mendes completed pediatric training at the University of Toronto and has been practicing general pediatrics in Toronto since 1993.

Subspecialty Services

Dr. Tania Samanta
MD, FRCPC

  • Pediatric Pulmonologist

Dr. Lani Lieberman
MD, FRCPC

  • Pediatric Hematologist

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