Dr. David Dac-Toan Nguyen – Internist / Geriatrician | Toronto, ON

As a skilled Internist / Geriatrician, Dr. David Dac-Toan Nguyen offers expert diagnostic services and management for a wide range of adult health issues. Practicing in Toronto, ON, he serves the surrounding communities. His practice adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO). Dr. Nguyen provides comprehensive care in Internal Medicine and Geriatric Care, focusing on promoting optimal health, functional independence, and quality of life for his adult patients, including seniors and older adults.

Dr. Nguyen graduated with a Medical Degree from McMaster University in 2019, Canada. He has completed extensive post-graduate medical training, including residency and specialized certifications in Internal Medicine and Geriatric Care. His training emphasizes evidence-based practice, comprehensive assessment, and patient-centered management tailored to individual needs.

With a professional and clinical approach, Dr. Nguyen is committed to delivering personalized care to his patients in Toronto. He speaks English fluently and values clear communication and compassionate care. His practice philosophy centers on thorough evaluation, multidisciplinary collaboration, and ongoing patient education to optimize health outcomes.

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

Select Infectious & Inflammatory Conditions

• 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.
• Evaluation of Inflammatory Markers: Investigating elevated inflammatory markers (like ESR or CRP) to identify potential underlying systemic conditions.

Management of Chronic Diseases

• Chronic Respiratory Diseases: Care for conditions like COPD, asthma, and interstitial lung disease, focusing on optimizing lung function and managing symptoms.
• Diabetes Mellitus (Type 1 & 2): Comprehensive management including glucose control strategies, complication prevention, and patient education.
• Cardiovascular Conditions: Medical management of heart failure, coronary artery disease (stable), arrhythmias (like atrial fibrillation), and valvular heart disease.

Complex Diagnostic & Multi-System Issues

• Investigation of Anemia: Diagnosing the underlying cause of low red blood cell counts.
• Evaluation of Undifferentiated Symptoms: Investigating complex presentations like fatigue, weight loss, or pain without a clear diagnosis.
• Management of Patients with Multiple Comorbidities: Coordinating care and treatment plans for individuals managing several complex health conditions simultaneously.

Dr. Nguyen 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.

• Preventative Health Risk Assessment: Evaluating individual risk factors for major chronic diseases (e.g., cardiovascular disease, osteoporosis) and developing preventative strategies.
• 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.
• Cognitive and Memory Assessment: Detailed evaluation for concerns about memory loss or changes in thinking; diagnosis and management of dementia and mild cognitive impairment.
• Driving Safety Assessment Consultation (Medical): Evaluating medical fitness to drive in older adults, considering cognitive, sensory, and physical factors.
• Frailty Evaluation and Management: Assessing for frailty (increased vulnerability) and developing interventions to enhance resilience, function, and independence.

Note: This list represents some of the key services offered by Dr. Nguyen. 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. Nguyen'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. Nguyen's practice is located in the vibrant Bay Street Corridor (Discovery District) neighborhood of Toronto, ON. The clinic is conveniently near Cherry Beach and Polson Pier, making it accessible for patients from downtown Toronto and surrounding areas. The location is well-served by public transportation, including TTC subway lines, streetcars, and buses, providing easy access for patients across the city. The facility is wheelchair accessible. Parking is available at the facility.

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

In ON, medical consultations with specialists like Dr. Nguyen 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. Nguyen. 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 does a Geriatrician's role differ?

A Geriatrician is an Internist (or Family Physician) with additional specialized training focused on the unique health needs of older adults (often 65+). They excel at managing 'geriatric syndromes' like falls, frailty, memory loss (Syncope (Fainting) Evaluation), and polypharmacy (multiple medications). Dr. Nguyen, with expertise in Internal Medicine and Geriatric Care, applies principles of geriatric care to optimize health, function, and quality of life for older patients. He often takes a very holistic view, considering social and functional aspects alongside medical issues.

What happens after the initial consultation?

After your assessment, Dr. Nguyen will typically send a detailed consultation report with findings and recommendations to your referring physician. Depending on your specific situation and the reason for referral, Dr. Nguyen may arrange follow-up appointments, order further tests, or transition care management back to your family doctor with specialist guidance. The plan will be discussed with you.

What exactly does an Internist (Internal Medicine Specialist) do?

An Internist is a medical doctor who specializes in diagnosing, treating, and preventing complex diseases primarily in adults. They are experts in managing conditions affecting multiple organ systems (Cognitive Impairment & Dementia Syndromes, Cardiovascular Conditions), handling challenging diagnostic puzzles, and coordinating care for patients with multiple chronic illnesses. They often serve as consultants to other physicians.

200 Elizabeth St
Toronto, ON M5G 2C4

Phone: (416) 340-3131

The facility is wheelchair accessible.

Dr. Nguyen 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/Nguyen-David-DacToan/0328331-118358