About
As a skilled Internist / Geriatrician, Dr. John Carter Thorne offers expert diagnostic services and management for a wide range of adult health issues. Practicing in Newmarket, ON, he serves the surrounding communities with a warm and community-focused approach. Dr. Thorne adheres to the high standards and ethical guidelines established by the College of Physicians and Surgeons of Ontario (CPSO), ensuring that his patients receive safe, comprehensive, and compassionate care.
Dr. Thorne graduated with his Medical Degree from the University of Toronto in 1976 and has completed extensive postgraduate medical training in internal medicine and geriatric care. His certifications include board certification in Internal Medicine and additional specialized training in geriatrics, reflecting his dedication to lifelong learning and excellence in patient care.
With a warm and community-oriented philosophy, Dr. Thorne is committed to building trusting relationships with his patients. He speaks English fluently and strives to provide care that respects each individual's unique health needs and circumstances. His goal is to support older adults and adults of all ages in achieving optimal health and well-being within the friendly Newmarket community.
Dr. Thorne provides expert care for adults with a wide range of medical conditions, including:
Select Infectious & Inflammatory Conditions
- Management of Select Rheumatologic Conditions: Care for common inflammatory conditions such as gout or polymyalgia rheumatica, or initial assessment for suspected autoimmune diseases.
- Complex Infections Consultation: Providing diagnostic and management expertise for challenging infections, often in consultation with primary care.
- Evaluation of Inflammatory Markers: Investigating elevated inflammatory markers (like ESR or CRP) to identify potential underlying systemic conditions.
Endocrine & Metabolic Disorders
- Calcium and Parathyroid Disorders: Evaluation and management of conditions related to abnormal calcium levels and parathyroid gland function.
- Osteoporosis & Metabolic Bone Disease: Diagnosis, risk assessment, and treatment strategies for conditions affecting bone strength and metabolism.
- Thyroid Disorders: Management of hypothyroidism, hyperthyroidism, thyroid nodules, and other thyroid conditions.
Complex Diagnostic & Multi-System Issues
- Evaluation of Undifferentiated Symptoms: Investigating complex presentations like fatigue, weight loss, or pain without a clear diagnosis.
- Investigation of Anemia: Diagnosing the underlying cause of low red blood cell counts.
- Management of Patients with Multiple Comorbidities: Coordinating care and treatment plans for individuals managing several complex health conditions simultaneously.
Dr. Thorne manages a wide range of complex adult and geriatric health conditions. This list highlights common areas of focus. If your condition is not listed, please note that internal medicine specialists address diverse and often multi-systemic diseases. Consultation is typically initiated via referral from your primary care physician.
- Falls Risk Assessment and Prevention: Identifying factors contributing to falls in older adults and implementing strategies to improve balance, strength, and home safety.
- Coordination of Specialist Care: Acting as a central point of contact to help manage and coordinate input from various medical specialists for patients with multi-system diseases.
- Driving Safety Assessment Consultation (Medical): Evaluating medical fitness to drive in older adults, considering cognitive, sensory, and physical factors.
- Internal Medicine Consultation for Primary Care: Providing specialist opinion and management recommendations to family physicians for complex adult patient cases.
- Perioperative Medical Consultation: Assessing and managing medical risks (e.g., cardiac, respiratory) for patients undergoing surgery to ensure safety and optimize post-operative recovery.
Note: This list represents some of the key services offered by Dr. Thorne. As a specialist in Internal Medicine and Geriatric Care, he provides comprehensive diagnostic and management services. For specific inquiries about whether your condition falls within Dr. Thorne's scope of practice, please discuss with your referring physician or contact the clinic.
All medical services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO).
Dr. Thorne's practice is located in the central Gorham-College Manor neighborhood of Newmarket, ON, within close proximity to Ross Memorial Hospital. The location is situated along the commercial corridor, making it convenient for patients. The clinic is easily accessible via York Region Transit (YRT) / Viva, with nearby bus stops. The facility is wheelchair accessible. Parking is available at the facility.
- How is payment handled for appointments with Dr. Thorne? Is it covered by Ontario Health Insurance Plan (OHIP)?
- In ON, medical consultations with specialists like Dr. Thorne are typically covered by your provincial health insurance (Ontario Health Insurance Plan (OHIP)) when you present a valid health card and have the required referral. You generally do not pay directly for the consultation service itself. Some specific procedures, forms, or administrative tasks might not be covered by Ontario Health Insurance Plan (OHIP) and may incur a separate fee according to provincial guidelines. Please inquire if you have questions about uninsured services.
- Can I book an appointment directly or do I absolutely need a referral?
- A referral from your family physician or another medical specialist is required to see Dr. Thorne. As experts in Internal Medicine and Geriatric Care, Internists and Geriatricians see patients based on specific medical questions posed by the referring doctor. This ensures continuity of care and that the consultation is appropriate for your needs. Please have your doctor forward the referral information.
- What kind of tests might Dr. John Carter Thorne order?
- Depending on your specific medical situation, Dr. Thorne may order various tests to aid in diagnosis or management. These could include blood tests, urine tests, imaging studies (like X-rays, ultrasounds, CT scans), electrocardiograms (ECGs), or referrals for other specialized tests (like pulmonary function tests or bone density scans). He will explain why any tests are being recommended.
Ross Memorial Hospital
105-679 Davis Drive
Newmarket, ON L3Y 5G8
Phone: (905) 895-1666 | Fax: (905) 895-2413
The facility is wheelchair accessible.
Dr. Thorne is a licensed physician regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Medicine Act, 1991 in ON. Patients are typically seen by referral from their primary care physician.
Verify registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Thorne-John-Carter/0025215-30038