Dr. Sami Sabri Marqus – Internist / Geriatrician | Pickering, ON

With extensive experience in Internal Medicine and Geriatric Care, Dr. Sami Sabri Marqus serves as a trusted medical specialist. Practicing in Pickering, ON, he provides comprehensive care in Internal Medicine and Geriatric Care, focusing on adult patients including older adults and seniors. His practice adheres to the highest standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring quality and ethical medical services.

Dr. Marqus graduated with a Medical Degree from the University of Baghdad College of Medicine in 1981 (Iraq). He has completed extensive post-graduate medical training, including residencies and certifications in internal medicine and geriatrics, equipping him with advanced clinical expertise for complex patient care.

His clinical philosophy emphasizes a professional and evidence-based approach, committed to delivering personalized and compassionate care. He is dedicated to serving the community of Pickering and surrounding areas. Fluent in Arabic, Assyrian, and English, Dr. Marqus communicates effectively with diverse patient populations to ensure understanding and comfort during medical consultations.

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

Select Infectious & Inflammatory Conditions

• Evaluation of Inflammatory Markers: Investigating elevated inflammatory markers (like ESR or CRP) to identify potential underlying systemic conditions.
• Fever of Unknown Origin (FUO) Workup: Systematic investigation to determine the cause of prolonged, unexplained fevers.
• Management of Select Rheumatologic Conditions: Care for common inflammatory conditions such as gout or polymyalgia rheumatica, or initial assessment for suspected autoimmune diseases.

Endocrine & Metabolic Disorders

• 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.
• Adrenal Gland Disorders: Diagnosis and management of conditions affecting the adrenal glands, such as adrenal insufficiency.

Geriatric Syndromes & Focused Elder Care

• Falls, Mobility & Balance Disorders: Multifactorial assessment to identify causes of falls and gait instability; implementation of prevention strategies.
• Delirium Prevention & Management: Identifying risk factors for delirium (acute confusion) in hospitalized or ill older adults and implementing management strategies.
• Polypharmacy & Medication Optimization: Expert review of multiple medications to reduce adverse effects, eliminate unnecessary drugs (deprescribing), and simplify regimens.

Dr. Marqus 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.

• Management of Complex Chronic Diseases: Ongoing care and treatment optimization for adults managing multiple chronic conditions such as diabetes, heart disease, kidney disease, hypertension, and respiratory illnesses.
• Falls Risk Assessment and Prevention: Identifying factors contributing to falls in older adults and implementing strategies to improve balance, strength, and home safety.
• Geriatric Psychiatry Liaison Support: Assessing and managing mood disorders (like depression, anxiety) and behavioral changes often associated with dementia or other conditions in older adults.
• 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.

Note: This list represents some of the key services offered by Dr. Marqus. 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. Marqus'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. Marqus's practice is located in the Bay Ridges area, within the West Shore neighborhood of Pickering. The facility is situated conveniently near Greater Niagara General Hospital, providing seamless access for patients requiring hospital-based services. It is in close proximity to Pickering City Hall and the Pickering GO Station, making it easily accessible via public transit. The practice is accessible by Durham Region Transit (DRT), ensuring convenient transportation options. The facility is wheelchair accessible. Parking is available at the facility.

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

In ON, medical consultations with specialists like Dr. Marqus 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. Marqus. 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 happens after the initial consultation?

After your assessment, Dr. Marqus 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. Marqus 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 is involved in a Comprehensive Geriatric Assessment (CGA)?

A CGA is a detailed evaluation specifically designed for older adults. It goes beyond standard medical checks to assess multiple domains including: medical conditions, medication review (polypharmacy), functional status (ability to perform daily tasks), mobility and fall risk, cognitive health (memory and thinking), mood (screening for depression/anxiety), nutrition, and social support systems. Dr. Marqus uses this holistic approach to develop a personalized care plan.

Greater Niagara General Hospital
1885 Glenanna Rd
Pickering, ON L1V 6R6

Phone: (905) 492-9100 | Fax: (833) 439-5558

The facility is wheelchair accessible.

Dr. Marqus 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/Marqus-Sami-Sabri/0161433-73333