Dr. John Gregory Crysler

Dr. John Crysler provides care for a wide range of childhood conditions, including:

Common General Pediatric Conditions

• Upper Respiratory Infections (Colds, Flu, Sinusitis): Frequent viral or bacterial infections affecting the nose, throat, and sinuses in children.
• Minor Injuries (Cuts, Bruises, Sprains): Common physical injuries that occur during childhood play and activities.
• Asthma (Mild to Moderate): A chronic lung condition causing airway inflammation and narrowing, leading to wheezing and breathing difficulties.

Developmental & Behavioral Conditions

• Global Developmental Delay: Significant delays in two or more areas of development (e.g., motor, language, cognitive).
• Sleep Disorders in Children (Behavioral & Mild): Difficulties with initiating or maintaining sleep, or other sleep-related problems often managed with behavioral strategies.
• Anxiety & Mood Disorders in Children: Conditions like generalized anxiety, separation anxiety, or childhood depression affecting emotional well-being.

Adolescent Health Concerns

• Substance Use Issues (Screening & Brief Intervention): Addressing concerns related to alcohol, tobacco, or drug use in adolescents.
• Sports Injuries & Concussions: Injuries common in active teenagers, including head injuries requiring careful management.
• Acne & Other Skin Conditions: Common dermatological issues prevalent during adolescence.

This list provides examples and is not exhaustive. For personalized advice, please discuss your child's specific situation with Dr. John Crysler.

• Lead Exposure Risk Assessment & Screening: Evaluating risk factors for lead exposure and performing screening tests as indicated by guidelines.
• Nutritional Counseling & Weight Management for Children & Adolescents: Guidance on healthy eating habits, addressing nutritional deficiencies, and managing weight concerns in the pediatric population.
• Anticipatory Guidance for Injury Prevention: Educating families on age-specific safety measures to prevent common childhood injuries.
• Newborn Care & Examinations: Initial health assessments for newborns in hospital or clinic settings, including feeding support and parental guidance.
• Vision & Hearing Screening: Basic screening tests to detect potential vision or hearing problems in children.
• Developmental Screening & Surveillance: Assessing developmental milestones (motor, language, social, cognitive) and identifying potential delays for early intervention.
• Routine Immunizations & Vaccinations: Administering vaccines according to provincial immunization schedules to protect children from preventable diseases.

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. Crysler 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.

Trillium Health Partners in St. Catharines is situated in an accessible area near central St. Catharines' vibrant neighborhoods. The practice is easily reachable from nearby points of interest and is well-served by local public transit, making it convenient for families to attend appointments. The facility is wheelchair accessible and aims to be welcoming to children and families, providing a comfortable environment for pediatric care. Parking is available at or near the facility, ensuring ease of access for patients arriving by car. The location is designed to support families in the community, fostering a friendly and inclusive atmosphere for young patients and their caregivers.

Are pediatric services with Dr. Crysler 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. Crysler 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. Crysler's office, especially for subspecialty care.

Do I need a referral to see Dr. Crysler, a Pediatrician?

For a general Pediatrician, you may be able to book an appointment directly for your child, particularly if Dr. Crysler is accepting new patients or for newborn care. However, if Dr. Crysler 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. Crysler'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 are the current screen time recommendations for children, and how can Dr. Crysler help?

Current guidelines generally recommend no screen time for children under 18-24 months (except for video-chatting with family), and limiting high-quality programming to about 1 hour per day for children aged 2-5 years, co-viewed with a parent. For older children and teens, it's important to balance screen time with other healthy activities like physical activity, social interaction, and sleep. Dr. Crysler can discuss these recommendations, help your family create a media use plan, and address concerns about the impact of screen time on your child's health and development.

How involved can parents be in their child's healthcare with a Pediatrician?

Dr. Crysler believes in family-centered care, which means parents and caregivers are essential partners in a child's healthcare team. He encourages open communication, welcomes your questions and concerns, and will involve you in all decisions regarding your child's health and treatment. Your insights into your child's behavior, symptoms, and daily life are invaluable for providing the best possible care.

What can I expect during my child's first visit or a well-child visit with a Pediatrician?

During your child's first visit or a routine well-child check-up with Dr. Crysler, He will conduct a thorough physical examination, measure your child's growth (height, weight, head circumference for infants), and discuss developmental milestones. He will also review immunization records, talk about nutrition, sleep, safety, and behavior appropriate for your child's age. This is an excellent opportunity for you to ask any questions you have about your child's health or development. These visits are key to preventive care and building a strong relationship with your child's doctor.

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. Crysler 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. Crysler can help assess.

When and how does a child transition from a Pediatrician to an adult care physician?

The transition from pediatric to adult healthcare typically occurs between the ages of 18 and 21, though it can vary based on individual needs and local practices. Dr. Crysler will work with your adolescent and family to plan for this transition, especially if your child has ongoing or complex health needs. This process involves discussing the importance of continued care, helping to identify a suitable adult care physician (like a family doctor or adult subspecialist), and ensuring a smooth transfer of medical information and care responsibilities.

Trillium Health Partners
9 Court Street, Department of Diagnostic Imaging
St Catharines, ON L2R 4R3

Phone: (905) 682-5411

The facility is wheelchair accessible and aims to be welcoming to children and families.

Dr. Crysler 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. Crysler 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/Crysler-John-Gregory/0051403-65382