Dr. Lawrence Jen-An Chang is a dedicated Pediatrician committed to providing comprehensive and compassionate healthcare for infants, children, and adolescents. Practicing at a pediatric clinic in Newmarket, ON, he is an integral part of the local pediatric healthcare community. Dr. Chang adheres to the standards and guidelines set by the College of Physicians and Surgeons of Ontario (CPSO), holding license number 32168. His focus is on offering family-centered care that promotes healthy growth, development, and well-being from birth through adolescence. The practice environment is designed to be warm, welcoming, and child-friendly, ensuring a positive experience for both children and their families.
He graduated with a Medical Degree from the University of Manitoba in Canada and has been a practicing Pediatrician since 1978, accumulating over 45 years of experience in child healthcare. Dr. Chang is recognized as a Royal College of Physicians and Surgeons of Canada (RCPSC) Specialist in Pediatrics, ensuring he meets the highest standards of pediatric medical practice and ongoing professional development.
Dr. Chang's clinical philosophy emphasizes collaboration with families, evidence-based practices, and preventive health strategies. He is dedicated to addressing the unique needs of each young patient through personalized care plans. Fluent in English and Chinese, he strives to communicate effectively with diverse families, fostering trust and shared decision-making in every aspect of pediatric care.
Dr. Lawrence Chang 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.
- Upper Respiratory Infections (Colds, Flu, Sinusitis): Frequent viral or bacterial infections affecting the nose, throat, and sinuses in children.
- Constipation & Other Common Digestive Issues: Difficulties with bowel movements or other common gastrointestinal complaints in children.
Developmental & Behavioral Conditions
- Anxiety & Mood Disorders in Children: Conditions like generalized anxiety, separation anxiety, or childhood depression affecting emotional well-being.
- Autism Spectrum Disorder (ASD): A complex developmental condition involving challenges with social communication, restricted interests, and repetitive behaviors.
- Speech & Language Delays: Difficulties in understanding or using spoken language appropriate for a child's age.
Adolescent Health Concerns
- Sports Injuries & Concussions: Injuries common in active teenagers, including head injuries requiring careful management.
- Substance Use Issues (Screening & Brief Intervention): Addressing concerns related to alcohol, tobacco, or drug use in adolescents.
- 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.
This list provides examples and is not exhaustive. For personalized advice, please discuss your child's specific situation with Dr. Lawrence Chang.
- Developmental Screening & Surveillance: Assessing developmental milestones (motor, language, social, cognitive) and identifying potential delays for early intervention.
- Management of Chronic Pediatric Conditions: Ongoing care and coordination for children with long-term health issues like asthma, allergies, eczema, diabetes, and ADHD.
- Newborn Care & Examinations: Initial health assessments for newborns in hospital or clinic settings, including feeding support and parental guidance.
- Anticipatory Guidance for Injury Prevention: Educating families on age-specific safety measures to prevent common childhood injuries.
- Lead Exposure Risk Assessment & Screening: Evaluating risk factors for lead exposure and performing screening tests as indicated by guidelines.
- Diagnosis & Management of Acute Childhood Illnesses: Evaluation and treatment for common illnesses such as colds, flu, ear infections, sore throats, rashes, and gastrointestinal issues.
- 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.
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. Chang 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.
Dr. Chang practices at a family-friendly pediatric clinic located in the Central Newmarket area, within the Gorham-College Manor neighborhood. The facility is easily accessible via GO Station and is conveniently situated near Upper Canada Mall, making it simple for families to visit. Public transit options include York Region Transit (YRT) and Viva, ensuring good connectivity for those using buses. The clinic is wheelchair accessible and designed to be welcoming to children and families, with a warm, supportive environment. Paid parking options are conveniently located nearby, providing ease of access for families coming from various parts of the region.
- Are pediatric services with Dr. Chang 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. Chang 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. Chang's office, especially for subspecialty care.
- Do I need a referral to see Dr. Chang, a Pediatrician?
- For a general Pediatrician, you may be able to book an appointment directly for your child, particularly if Dr. Chang is accepting new patients or for newborn care. However, if Dr. Chang 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. Chang'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 can I do if my child is having trouble sleeping?
- Sleep is crucial for a child's development. If your child is having trouble sleeping, establishing a consistent bedtime routine is very important. This includes a calming wind-down period, a set bedtime, and ensuring their sleep environment is comfortable, dark, and quiet. Limiting screen time before bed can also help. Dr. Chang can discuss age-appropriate sleep needs, common sleep problems, and strategies to address them. Sometimes, underlying issues like anxiety or medical conditions can affect sleep, which Dr. Chang can help assess.
- How should I manage my child's fever before contacting Dr. Chang?
- A fever is often a sign that the body is fighting an infection. If your child has a fever but is otherwise comfortable and playful, a specific number on the thermometer isn't always the most important factor. You can help them feel more comfortable by offering fluids, dressing them in light clothing, and ensuring they get rest. Acetaminophen or ibuprofen (if appropriate for age and no contraindications) can be used to reduce fever and discomfort; always follow dosing instructions. Contact Dr. Chang's office if your child is under 3 months with any fever, has a very high fever, a fever lasting more than a few days, or if the fever is accompanied by other concerning symptoms like lethargy, rash, difficulty breathing, or signs of dehydration.
- If my child is referred to a pediatric subspecialist, how can I prepare for the appointment?
- If Dr. Chang or your family doctor refers your child to a subspecialist, it's helpful to prepare for the appointment. Bring any relevant medical records, test results, a list of current medications, and your child's health card. Write down your questions and concerns beforehand. Be prepared to discuss your child's symptoms, medical history, and any family history that might be relevant. Understanding the reason for the referral and what you hope to gain from the visit can make the consultation more effective.
- What should I do if my child gets sick after Dr. Chang's office is closed?
- Dr. Chang'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.
Suite 101, 712 Davis Drive
Newmarket, ON L3Y 8C3
Phone: (905) 853-0600 | Fax: (905) 853-2868
The facility is wheelchair accessible and aims to be welcoming to children and families.
Dr. Chang 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. Chang 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/Chang-Lawrence-JenAn/0027345-32168