Dr. Chi-Yiu Mark Cheung – Internist / Geriatrician | Toronto, ON

Dr. Chi-Yiu Mark Cheung, a respected Internist / Geriatrician, focuses on evidence-based medicine and personalized care plans. Practicing in Toronto, ON, he serves the surrounding communities with a warm and community-focused approach. He provides comprehensive care in Internal Medicine and Geriatric Care, emphasizing the importance of patient-centered treatment. As a licensed physician under the College of Physicians and Surgeons of Ontario (CPSO), Dr. Cheung adheres to the highest standards of medical practice to ensure safe, effective, and compassionate care for his patients.

Dr. Cheung graduated with a Medical Degree from the University of Toronto in 1980 and has completed extensive post-graduate medical training in internal medicine and geriatrics. His education and certification process has equipped him with a deep understanding of complex adult and elderly health issues, enabling him to provide thorough and personalized medical evaluations and treatments.

With a warm and community-focused philosophy, Dr. Cheung is committed to serving the Toronto area with compassion and professionalism. He speaks both English and Chinese fluently, ensuring effective communication and understanding with diverse patient populations. His approach emphasizes respect, kindness, and collaboration, fostering a trusting relationship with each patient he cares for.

Dr. Cheung 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.
• Management of Select Rheumatologic Conditions: Care for common inflammatory conditions such as gout or polymyalgia rheumatica, or initial assessment for suspected autoimmune diseases.

Management of Chronic Diseases

• Hypertension (High Blood Pressure): Diagnosis, treatment titration, and long-term management of primary and secondary hypertension to mitigate cardiovascular risk.
• Diabetes Mellitus (Type 1 & 2): Comprehensive management including glucose control strategies, complication prevention, and patient education.
• Chronic Liver Disease: Diagnosis and management of various liver conditions such as fatty liver disease, chronic hepatitis, and cirrhosis complications.

Geriatric Syndromes & Focused Elder Care

• Polypharmacy & Medication Optimization: Expert review of multiple medications to reduce adverse effects, eliminate unnecessary drugs (deprescribing), and simplify regimens.
• Nutritional Assessment & Weight Loss: Investigating unintentional weight loss and malnutrition, providing guidance on nutritional support for older adults.
• Cognitive Impairment & Dementia Syndromes: Comprehensive assessment for memory loss/cognitive changes; diagnosis and management of Alzheimer's disease, vascular dementia, and others.

Dr. Cheung 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.

• Assessment of Functional Decline: Investigating and managing sudden or gradual changes in an older adult's ability to perform daily activities.
• Driving Safety Assessment Consultation (Medical): Evaluating medical fitness to drive in older adults, considering cognitive, sensory, and physical factors.
• Thyroid Disorder Management: Diagnosis and ongoing management of conditions like hypothyroidism, hyperthyroidism, and thyroid nodules.
• Comprehensive Diagnostic Assessment: In-depth evaluation for adults with complex, unclear, or multi-system medical conditions, involving detailed history, physical examination, and coordination of necessary investigations.
• Caregiver Support and Education: Providing information, resources, and guidance to family members and caregivers involved in the care of an older adult.

Note: This list represents some of the key services offered by Dr. Cheung. 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. Cheung'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. Cheung's practice is located in the Lawrence Park neighborhood of Toronto, within North York General Hospital. The location is conveniently close to landmarks such as St. Lawrence Hall and Roy Thomson Hall. Patients can access the clinic easily via TTC, including subway, streetcar, and bus routes. The facility is wheelchair accessible. Parking is available at the facility.

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

In ON, medical consultations with specialists like Dr. Cheung 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. Cheung. 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. Chi-Yiu Mark Cheung order?

Depending on your specific medical situation, Dr. Cheung 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.

How long should I expect my appointment to last?

Initial consultations with Dr. Cheung 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.

Does Dr. Chi-Yiu Mark Cheung handle prescription refills?

Generally, ongoing prescription refills should be managed through your family doctor (primary care provider). Dr. Cheung will make initial recommendations or adjustments, but routine refills are best handled by your family doctor who manages your overall care, unless specific arrangements are made for certain specialized medications.

North York General Hospital
2nd Floor, 2075 Bayview Avenue, Branson Ambulatory Care Centre
Toronto, ON M4N 3M5

Phone: (416) 480-4991 | Fax: (416) 480-4563

The facility is wheelchair accessible.

Dr. Cheung 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/Cheung-ChiYiu-Mark/0028024-32847