Dr. James Christopher Hewak – Internist / Geriatrician | Guelph, ON

As a skilled Internist / Geriatrician, Dr. James Christopher Hewak offers expert diagnostic services and management for a wide range of adult health issues. Practicing in Guelph, ON, he serves the surrounding communities with a focus on providing comprehensive and patient-centered care. His practice adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring that patients receive safe, evidence-based medical services. Dr. Hewak's role encompasses both internal medicine and geriatric care, emphasizing the unique healthcare needs of adult and older adult populations.

Dr. Hewak graduated with a Medical Degree from Schulich School of Medicine and Dentistry in 1991, in Canada. He has completed extensive post-graduate medical training, including residencies and certifications in internal medicine and geriatrics, equipping him with specialized expertise to manage complex adult health conditions. His training enables him to address a broad spectrum of medical issues with a focus on accuracy, safety, and holistic patient care.

With an evidence-based and informative approach, Dr. Hewak is committed to delivering high-quality healthcare services to the Guelph community. He speaks English fluently and is dedicated to fostering clear communication and shared decision-making with his patients. His clinical philosophy centers on integrating the latest medical research with individualized patient care to optimize health outcomes and quality of life for adults and seniors alike.

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

Complex Diagnostic & Multi-System Issues

• Perioperative Medical Optimization: Pre-surgical assessment and management of medical conditions to minimize operative risks and ensure smoother recovery.
• Syncope (Fainting) Evaluation: Comprehensive work-up to determine the cause of fainting spells or loss of consciousness.
• Management of Patients with Multiple Comorbidities: Coordinating care and treatment plans for individuals managing several complex health conditions simultaneously.

Management of Chronic Diseases

• Cardiovascular Conditions: Medical management of heart failure, coronary artery disease (stable), arrhythmias (like atrial fibrillation), and valvular heart disease.
• Diabetes Mellitus (Type 1 & 2): Comprehensive management including glucose control strategies, complication prevention, and patient education.
• Hypertension (High Blood Pressure): Diagnosis, treatment titration, and long-term management of primary and secondary hypertension to mitigate cardiovascular risk.

Endocrine & Metabolic Disorders

• 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.
• Calcium and Parathyroid Disorders: Evaluation and management of conditions related to abnormal calcium levels and parathyroid gland function.

Dr. Hewak 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.

• Driving Safety Assessment Consultation (Medical): Evaluating medical fitness to drive in older adults, considering cognitive, sensory, and physical factors.
• Perioperative Medical Consultation: Assessing and managing medical risks (e.g., cardiac, respiratory) for patients undergoing surgery to ensure safety and optimize post-operative recovery.
• Advance Care Planning Discussions: Facilitating conversations about future healthcare preferences and goals of care, including discussions about powers of attorney for personal care.
• Management of Chronic Respiratory Conditions: Ongoing care for conditions such as COPD, asthma, and interstitial lung diseases, focusing on symptom control and exacerbation prevention.
• Preventative Health Risk Assessment: Evaluating individual risk factors for major chronic diseases (e.g., cardiovascular disease, osteoporosis) and developing preventative strategies.

Note: This list represents some of the key services offered by Dr. Hewak. 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. Hewak'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. Hewak's practice is located in Downtown Guelph, within the Exhibition Park neighborhood. The clinic is conveniently situated near Stone Road Mall and is easily accessible via Guelph Transit. The facility is wheelchair accessible. Parking is available at the facility.

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

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

What should I do if I have an urgent medical problem?

Dr. Hewak's office provides specialist consultations and is not equipped for emergency care. If you have an urgent medical issue or emergency, please contact your family doctor, go to the nearest hospital Emergency Department, or call 911.

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 (Delirium Prevention & Management, Diabetes Mellitus (Type 1 & 2)), handling challenging diagnostic puzzles, and coordinating care for patients with multiple chronic illnesses. They often serve as consultants to other physicians.

Unit 375, 21 Surrey Street west
Guelph, ON N1H 3R3

Phone: (519) 836-8201 | Fax: (519) 836-1341

The facility is wheelchair accessible.

Dr. Hewak 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/Hewak-James-Christopher/0049878-63856