Dr. Gregory Alan Knoll – Internist / Geriatrician | Ottawa, ON

Dr. Gregory Alan Knoll, a respected Internist / Geriatrician, focuses on evidence-based medicine and personalized care plans. Practicing in Ottawa, ON, he serves the surrounding communities with a warm and community-focused approach. He provides comprehensive care in Internal Medicine and Geriatric Care, ensuring that each patient receives attentive, respectful, and individualized treatment. Dr. Knoll adheres strictly to the standards set by the College of Physicians and Surgeons of Ontario (CPSO), emphasizing quality, safety, and compassion in all aspects of his practice.

He graduated with a Medical Degree from the University of Ottawa in 1989 and has completed extensive post-graduate medical training in internal medicine and geriatrics. His certifications include Fellowships in both specialties, reflecting his dedication to ongoing professional development and excellence in patient care. Dr. Knoll’s training equips him with the expertise to manage complex health issues faced by adult and senior patients.

With a warm and community-oriented philosophy, Dr. Knoll is committed to serving the Ottawa region with compassion and respect. He speaks English fluently and values building trusting relationships with his patients and their families. His clinical approach emphasizes holistic, patient-centered care tailored to individual needs and circumstances.

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

Endocrine & Metabolic Disorders

• Osteoporosis & Metabolic Bone Disease: Diagnosis, risk assessment, and treatment strategies for conditions affecting bone strength and metabolism.
• Adrenal Gland Disorders: Diagnosis and management of conditions affecting the adrenal glands, such as adrenal insufficiency.
• Thyroid Disorders: Management of hypothyroidism, hyperthyroidism, thyroid nodules, and other thyroid conditions.

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.

Management of Chronic Diseases

• Chronic Kidney Disease (CKD): Monitoring kidney function, managing complications (anemia, bone disease, electrolytes), and strategies to slow disease progression.
• Chronic Respiratory Diseases: Care for conditions like COPD, asthma, and interstitial lung disease, focusing on optimizing lung function and managing symptoms.
• Cardiovascular Conditions: Medical management of heart failure, coronary artery disease (stable), arrhythmias (like atrial fibrillation), and valvular heart disease.

Dr. Knoll 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.

• 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.
• Management of Geriatric Syndromes: Specialized care for common age-related conditions including falls, frailty, cognitive impairment (dementia, delirium), polypharmacy, urinary incontinence, and malnutrition.
• Caregiver Support and Education: Providing information, resources, and guidance to family members and caregivers involved in the care of an older adult.
• Advance Care Planning Discussions: Facilitating conversations about future healthcare preferences and goals of care, including discussions about powers of attorney for personal care.
• Non-Surgical Management of Cardiovascular Conditions: Medical management of conditions like stable coronary artery disease, heart failure, arrhythmias, and hypertension.

Note: This list represents some of the key services offered by Dr. Knoll. 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. Knoll'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. Knoll's practice is located in the Elmvale Acres, Hawthorne Meadows, and Billings Bridge neighborhoods of Ottawa. His clinic is situated within the Tri City Colonoscopy Clinic, providing a convenient and welcoming environment for patients. The practice is easily accessible via OC Transpo, including the O-Train LRT and local bus services. The nearby area includes Little Italy (Corso Italia), making it easy for patients to reach from different parts of the city. The facility is wheelchair accessible. Parking is available at the facility.

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

In ON, medical consultations with specialists like Dr. Knoll 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. Knoll. 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 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 (Hypertension (High Blood Pressure), Cardiovascular Conditions), handling challenging diagnostic puzzles, and coordinating care for patients with multiple chronic illnesses. They often serve as consultants to other physicians.

How long should I expect my appointment to last?

Initial consultations with Dr. Knoll 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 happens after the initial consultation?

After your assessment, Dr. Knoll 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. Knoll 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.

Will Dr. Gregory Alan Knoll replace my family doctor?

No, Dr. Knoll 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. Knoll will communicate findings and recommendations back to your family doctor.

Tri City Colonoscopy Clinic
501 Smyth Rd
Ottawa, ON K1H 8L6

Phone: (613) 737-8755

The facility is wheelchair accessible.

Dr. Knoll 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/Knoll-Gregory-Alan/0048832-62810