Dr. Charles Listgarten – Internist / Geriatrician | Thornhill, ON

Dr. Charles Listgarten, a respected Internist / Geriatrician, focuses on evidence-based medicine and personalized care plans. Practicing in Thornhill, ON, he serves the surrounding communities with a commitment to providing high-quality, patient-centered care. His practice adheres to the standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring comprehensive and ethical medical services. Dr. Listgarten provides specialized care in Internal Medicine and Geriatric Care, addressing the complex health needs of adults, including seniors.

He graduated with a Medical Degree from the University of Toronto in 1964 and has completed extensive post-graduate medical training in internal medicine and geriatrics. His certifications include board certification in internal medicine and geriatrics, reflecting his dedication to ongoing professional development and clinical excellence.

Dr. Listgarten’s clinical philosophy is rooted in evidence-based and informative approaches, ensuring that his patients receive care grounded in the latest scientific research. He is committed to serving the Thornhill community and speaks multiple languages, including English, French, German, Italian, and Yiddish, to better serve diverse patient populations.

Dr. Listgarten provides expert care for adults with a wide range of medical conditions, including:

Select Infectious & Inflammatory Conditions

• Fever of Unknown Origin (FUO) Workup: Systematic investigation to determine the cause of prolonged, unexplained fevers.
• Evaluation of Inflammatory Markers: Investigating elevated inflammatory markers (like ESR or CRP) to identify potential underlying systemic conditions.
• Complex Infections Consultation: Providing diagnostic and management expertise for challenging infections, often in consultation with primary care.

Endocrine & Metabolic Disorders

• Thyroid Disorders: Management of hypothyroidism, hyperthyroidism, thyroid nodules, and other thyroid conditions.
• Osteoporosis & Metabolic Bone Disease: Diagnosis, risk assessment, and treatment strategies for conditions affecting bone strength and metabolism.
• Calcium and Parathyroid Disorders: Evaluation and management of conditions related to abnormal calcium levels and parathyroid gland function.

Complex Diagnostic & Multi-System Issues

• Perioperative Medical Optimization: Pre-surgical assessment and management of medical conditions to minimize operative risks and ensure smoother recovery.
• 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.

Dr. Listgarten 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.

• Internal Medicine Consultation for Primary Care: Providing specialist opinion and management recommendations to family physicians for complex adult patient cases.
• Falls Risk Assessment and Prevention: Identifying factors contributing to falls in older adults and implementing strategies to improve balance, strength, and home safety.
• Perioperative Medical Consultation: Assessing and managing medical risks (e.g., cardiac, respiratory) for patients undergoing surgery to ensure safety and optimize post-operative recovery.
• Osteoporosis and Bone Health Management: Screening, diagnosis, and treatment of osteoporosis to prevent fractures in older adults.
• Consultation for Undiagnosed Symptoms: Expert evaluation for patients experiencing persistent or puzzling symptoms that require specialized diagnostic investigation to determine the underlying cause.

Note: This list represents some of the key services offered by Dr. Listgarten. 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. Listgarten'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. Listgarten's practice is situated near the central Thornhill neighborhood of Thornhill, ON, conveniently accessible from surrounding communities. The location is close to local points of interest such as Thornhill Shopping Centre and Thornhill Community Centre. It is easily accessible via local public transit options, including bus routes and nearby GO Transit stations. The facility is wheelchair accessible. Parking is available at the facility.

How is payment handled for appointments with Dr. Listgarten? Is it covered by Ontario Health Insurance Plan (OHIP)?

In ON, medical consultations with specialists like Dr. Listgarten 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. Listgarten. 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.

How long should I expect my appointment to last?

Initial consultations with Dr. Listgarten are comprehensive and typically require more time, often ranging from 45 to 75 minutes, depending on the complexity of your medical history and concerns. Follow-up appointments are usually shorter. We recommend allowing ample time for your visit, including check-in and potential waiting periods.

What typically happens during a first consultation?

During your initial visit, Dr. Listgarten will conduct a thorough review of your medical history, symptoms, and medications based on your referral and the information you provide. He will likely perform a relevant physical examination. Following this assessment, he will discuss his findings, potential diagnoses, recommended further investigations (if any), and a proposed management plan. There will be time for you to ask questions.

57 Weeping Willow Lane
Thornhill, ON L3T 3R9

Phone: (905) 707-1168 | Fax: (905) 707-1168

The facility is wheelchair accessible.

Dr. Listgarten 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/Listgarten-Charles/0015770-20555