About
Dr. Brian Mitchell Hershenfield is a dedicated Pediatrician committed to providing comprehensive and compassionate healthcare for infants, children, and adolescents. Practicing at Toronto Western Hospital in Thornhill, ON, he is an integral part of the local pediatric healthcare community. He adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring that each patient receives safe, effective, and family-centered care. Dr. Hershenfield focuses on preventive care, well-child check-ups, immunizations, and the management of common childhood illnesses, promoting healthy growth and development from infancy through adolescence. His approach emphasizes building trust and supporting families in nurturing their children's health in a welcoming and friendly environment.
He graduated with a Medical Degree from McGill University Faculty of Medicine and Health Sciences (Canada), bringing over 22 years of experience as a Pediatrician since 2002. His extensive training and ongoing professional development enable him to offer expert care grounded in the latest pediatric guidelines. Dr. Hershenfield is recognized as a RCPSC Specialist by the College of Physicians and Surgeons of Ontario (CPSO), reflecting his commitment to excellence and adherence to rigorous certification standards.
Guided by a philosophy of family-centered and evidence-based practice, Dr. Hershenfield is dedicated to collaborating closely with parents and other healthcare professionals to support the health and well-being of young patients. He believes in preventive health strategies, early intervention, and education as key components of pediatric care. Fluent in English, he is committed to providing accessible, empathetic, and comprehensive medical services to children and their families in Thornhill.

Dr. Brian Hershenfield provides care for a wide range of childhood conditions, including:
Common General Pediatric Conditions
- Gastroenteritis (Stomach Flu): Inflammation of the stomach and intestines, typically causing vomiting and diarrhea.
- Otitis Media (Ear Infections): Inflammation or infection of the middle ear, very common in young children.
- Eczema (Atopic Dermatitis - general management): A chronic skin condition causing dry, itchy, and inflamed skin.
Developmental & Behavioral Conditions
- Anxiety & Mood Disorders in Children: Conditions like generalized anxiety, separation anxiety, or childhood depression affecting emotional well-being.
- Sleep Disorders in Children (Behavioral & Mild): Difficulties with initiating or maintaining sleep, or other sleep-related problems often managed with behavioral strategies.
- Autism Spectrum Disorder (ASD): A complex developmental condition involving challenges with social communication, restricted interests, and repetitive behaviors.
Adolescent Health Concerns
- Acne & Other Skin Conditions: Common dermatological issues prevalent during adolescence.
- Eating Disorders (Anorexia Nervosa, Bulimia Nervosa - initial assessment & coordination): Serious conditions related to persistent eating behaviors that negatively impact health, emotions and ability to function.
- Menstrual Disorders (e.g., irregular periods, dysmenorrhea): Irregular, heavy, or painful periods in adolescent girls.
This list provides examples and is not exhaustive. For personalized advice, please discuss your child's specific situation with Dr. Brian Hershenfield.
- Routine Immunizations & Vaccinations: Administering vaccines according to provincial immunization schedules to protect children from preventable diseases.
- Parental Guidance & Support: Providing education and support to parents on various aspects of child health, safety, behavior, and development.
- Mental Health Screening & Initial Support: Basic screening for common pediatric mental health concerns (e.g., anxiety, depression) and providing initial support or referrals as needed.
- Anticipatory Guidance for Injury Prevention: Educating families on age-specific safety measures to prevent common childhood injuries.
- Vision & Hearing Screening: Basic screening tests to detect potential vision or hearing problems in children.
- Diagnosis & Management of Acute Childhood Illnesses: Evaluation and treatment for common illnesses such as colds, flu, ear infections, sore throats, rashes, and gastrointestinal issues.
- Nutritional Counseling & Weight Management for Children & Adolescents: Guidance on healthy eating habits, addressing nutritional deficiencies, and managing weight concerns in the pediatric population.
Note: This list provides a general overview of services offered in Pediatrics (Comprehensive care for infants, children, and adolescents). Care plans are highly individualized to meet each child's specific health needs. Please discuss with Dr. Hershenfield or your healthcare team for details relevant to your child's care.
All medical services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO) and relevant pediatric care guidelines. Contact the clinic regarding new patient intake and referral processes.
Toronto Western Hospital's pediatric unit is located in Thornhill's areas near central Thornhill, serving as a vital healthcare resource in the community. The hospital is situated close to notable local points of interest, easily accessible via local public transit. The facility is wheelchair accessible and aims to be welcoming to children and families, fostering a friendly environment for young patients. Parking is available at or near the hospital, ensuring convenience for families visiting for pediatric care. The hospital's pediatric department plays a key role in providing specialized child healthcare services, with a focus on family-centered support and accessibility.
- Are pediatric services with Dr. Hershenfield covered by Ontario Health Insurance Plan (OHIP) in ON?
- Medically necessary consultations, well-child visits, immunizations, and treatment for illnesses provided by a licensed Pediatrician like Dr. Hershenfield are generally covered by Ontario Health Insurance Plan (OHIP) in ON. Some specialized tests, procedures, or medications prescribed by a subspecialist may require pre-authorization or might have specific coverage criteria. It's always a good idea to confirm coverage details with Ontario Health Insurance Plan (OHIP) or Dr. Hershenfield's office, especially for subspecialty care.
- Do I need a referral to see Dr. Hershenfield, a Pediatrician?
- For a general Pediatrician, you may be able to book an appointment directly for your child, particularly if Dr. Hershenfield is accepting new patients or for newborn care. However, if Dr. Hershenfield is a pediatric subspecialist (e.g., a Pediatric Cardiologist or Developmental Pediatrician), a referral from your child's family doctor or a general pediatrician is usually required for services to be covered by Ontario Health Insurance Plan (OHIP). It's best to check with Dr. Hershenfield's clinic directly regarding their new patient and referral policies. you may be able to book an appointment directly, especially if the practice is accepting new patients, or for newborn care.
- What should I do if my child gets sick after Dr. Hershenfield's office is closed?
- Dr. Hershenfield's office will usually have instructions for after-hours care. This might involve a phone number for an on-call physician or nurse line, directions to a pediatric after-hours clinic, or advice on when to go to an urgent care center or emergency department. It's a good idea to ask about these procedures during a regular visit. For life-threatening emergencies, always call 911 or go to the nearest emergency room immediately.
- How often should my child see a Pediatrician for well-child visits?
- Well-child visits are scheduled regularly from birth through adolescence. In the first year, visits are frequent (e.g., shortly after birth, then at 2, 4, 6, 9, and 12 months). After that, they typically occur at 15, 18, 24 months, and then annually from age 3 onwards, or as per provincial guidelines. Dr. Hershenfield will provide a recommended schedule for your child. These visits are important for tracking growth, development, providing immunizations, and addressing any concerns early.
- What does a Pediatrician like Dr. Hershenfield specialize in?
- A Pediatrician is a medical doctor who specializes in the health and well-being of infants, children, and adolescents, typically from birth up to age 18. They provide comprehensive care, including preventive health (like well-child visits and immunizations), diagnosis and treatment of acute and chronic illnesses, and monitoring of growth and development. He provides comprehensive medical care for infants, children, and adolescents. Dr. Hershenfield is dedicated to providing family-centered care and supporting children through all stages of their development.
- When should I take my child to see Dr. Hershenfield if they are sick?
- You should contact Dr. Hershenfield's office if your child has symptoms that concern you, such as a high or persistent fever (especially in infants), difficulty breathing or rapid breathing, signs of dehydration (e.g., dry mouth, few wet diapers), severe pain, vomiting or diarrhea that is persistent or severe, a rash you're unsure about, unusual lethargy or irritability, or if your child just doesn't seem like themselves. The clinic staff can help determine if your child needs to be seen and how soon. For emergencies, always go to the nearest emergency department or call 911.
Toronto Western Hospital
5 MC Suite 420E, 206-7131 Bathurst St
Thornhill, ON L4J 7Z1
Phone: (905) 731-7596 | Fax: (905) 731-4975
The facility is wheelchair accessible and aims to be welcoming to children and families.
Dr. Hershenfield is a licensed Pediatrician regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. Dr. Hershenfield may accept new patients directly for general pediatric care or via referral, depending on clinic policy. Please contact the clinic for information on new patient registration and any referral requirements for services covered by the provincial health plan.
Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Hershenfield-Brian-Mitchell/0153153-72624