Dr. Ronnen Maze – Internist / Geriatrician | Toronto, ON

As a skilled Internist / Geriatrician, Dr. Ronnen Maze offers expert diagnostic services and management for a wide range of adult health issues. Practicing in Toronto, ON, he serves the surrounding communities with a warm and community-focused approach. Dr. Maze is committed to providing comprehensive care in Internal Medicine and Geriatric Care, adhering to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO). His focus is on delivering personalized and compassionate healthcare to his patients, emphasizing the importance of building trusting relationships.

Dr. Maze graduated with a Medical Degree from Memorial University of Newfoundland Faculty of Medicine in 2009. He has completed extensive post-graduate medical training, including residency in internal medicine and specialized certification in geriatric medicine, ensuring he is well-equipped to address complex adult and elderly health conditions.

His clinical philosophy is centered on warmth, community engagement, and patient-centered care. He strives to create a welcoming environment where patients feel heard and valued. Fluent in English, Dr. Maze is dedicated to serving the diverse Toronto community with kindness and professionalism.

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

Endocrine & Metabolic Disorders

• Calcium and Parathyroid Disorders: Evaluation and management of conditions related to abnormal calcium levels and parathyroid gland function.
• Adrenal Gland Disorders: Diagnosis and management of conditions affecting the adrenal glands, such as adrenal insufficiency.
• Osteoporosis & Metabolic Bone Disease: Diagnosis, risk assessment, and treatment strategies for conditions affecting bone strength and metabolism.

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.
• Fever of Unknown Origin (FUO) Workup: Systematic investigation to determine the cause of prolonged, unexplained fevers.

Geriatric Syndromes & Focused Elder Care

• Frailty Assessment & Management: Identifying and managing frailty to improve resilience, maintain function, and enhance quality of life in older adults.
• Nutritional Assessment & Weight Loss: Investigating unintentional weight loss and malnutrition, providing guidance on nutritional support for older adults.
• Falls, Mobility & Balance Disorders: Multifactorial assessment to identify causes of falls and gait instability; implementation of prevention strategies.

Dr. Maze 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.

• Non-Surgical Management of Cardiovascular Conditions: Medical management of conditions like stable coronary artery disease, heart failure, arrhythmias, and hypertension.
• Perioperative Medical Consultation: Assessing and managing medical risks (e.g., cardiac, respiratory) for patients undergoing surgery to ensure safety and optimize post-operative recovery.
• Preventative Health Risk Assessment: Evaluating individual risk factors for major chronic diseases (e.g., cardiovascular disease, osteoporosis) and developing preventative strategies.
• Comprehensive Geriatric Assessment (CGA): A holistic, multidimensional evaluation tailored to older adults, assessing medical conditions, functional ability, cognition, mood, nutrition, social support, and medication use.
• Osteoporosis and Bone Health Management: Screening, diagnosis, and treatment of osteoporosis to prevent fractures in older adults.

Note: This list represents some of the key services offered by Dr. Maze. 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. Maze'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. Maze's practice is located in the Runnymede area within the North neighborhood of Toronto, situated inside Thamesford Medical Clinic. The clinic is conveniently close to Queen's Park, making it accessible for patients from across the city. Patients can reach 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. Maze? Is it covered by Ontario Health Insurance Plan (OHIP)?

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

Why is reviewing multiple medications (polypharmacy) important?

As people age or develop multiple health conditions, they often take many medications. Polypharmacy increases the risk of side effects, drug interactions, falls, confusion, and non-adherence. A careful review helps ensure each medication is truly necessary, effective, and safe, potentially leading to deprescribing (stopping unnecessary drugs) and simplifying the regimen.

Is Dr. Maze affiliated with a specific hospital?

Hospital privileges can vary. Dr. Maze may have admitting privileges or provide consultation services at Toronto hospitals in the area. This affiliation allows for coordinated care if hospitalization is required. If you are admitted, the hospital team may consult Dr. Maze as needed, or he might be involved in your care depending on the specific hospital and service arrangements. Please confirm details with the office if needed.

Will Dr. Ronnen Maze replace my family doctor?

No, Dr. Maze acts as a specialist consultant. Your family doctor (or primary care provider) remains responsible for your routine healthcare, ongoing prescriptions (unless specified otherwise by the specialist), and coordinating your overall care. Dr. Maze will communicate findings and recommendations back to your family doctor.

What is the appointment cancellation policy?

We understand that unforeseen circumstances arise. If you need to cancel or reschedule your appointment, please provide at least 24-48 hours notice so we can offer the time slot to another patient waiting for consultation. Failure to provide sufficient notice may result in a missed appointment fee (if applicable per clinic policy). Please contact the office directly to make changes.

Thamesford Medical Clinic
Unit 4, 5 Junction Road, PO Box 130
Toronto, ON M6N 1B5

Phone: (416) 766-1162 | Fax: (416) 766-0463

The facility is wheelchair accessible.

Dr. Maze 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/Maze-Ronnen/0258452-91271