Dr. Joel Harold Isenberg – Internist / Geriatrician | Mississauga, ON

Dr. Joel Harold Isenberg is a dedicated Internist / Geriatrician committed to providing comprehensive medical care for adults, with a focus on complex conditions and geriatric health. Practicing in Mississauga, ON, he serves the surrounding communities with a patient-centered approach. Dr. Isenberg adheres to the high standards and ethical guidelines established by the College of Physicians and Surgeons of Ontario (CPSO), ensuring quality and safety in every aspect of his practice. His role involves diagnosing, managing, and coordinating care for adult patients with diverse medical needs, emphasizing holistic and individualized treatment strategies.

Dr. Isenberg graduated with a Medical Degree from McGill University Faculty of Medicine and Health Sciences in 1983. He has completed extensive postgraduate medical training, including residencies and fellowships, specializing in Internal Medicine and Geriatric Medicine. His certifications reflect a commitment to lifelong learning and excellence in his specialty, enabling him to deliver evidence-based and up-to-date medical care to his patients.

With a professional and clinical philosophy, Dr. Isenberg prioritizes patient well-being through compassionate, respectful, and thorough care. He is committed to serving the Mississauga community and speaks multiple languages including English, French, Hebrew, Spanish, and Yiddish, facilitating effective communication with a diverse patient population. His approach emphasizes collaboration, education, and empowering patients to participate actively in their health management.

Dr. Isenberg 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.
• Complex Infections Consultation: Providing diagnostic and management expertise for challenging infections, often in consultation with primary care.
• Management of Select Rheumatologic Conditions: Care for common inflammatory conditions such as gout or polymyalgia rheumatica, or initial assessment for suspected autoimmune diseases.

Geriatric Syndromes & Focused Elder Care

• Polypharmacy & Medication Optimization: Expert review of multiple medications to reduce adverse effects, eliminate unnecessary drugs (deprescribing), and simplify regimens.
• Frailty Assessment & Management: Identifying and managing frailty to improve resilience, maintain function, and enhance quality of life in older adults.
• Cognitive Impairment & Dementia Syndromes: Comprehensive assessment for memory loss/cognitive changes; diagnosis and management of Alzheimer's disease, vascular dementia, and others.

Management of Chronic Diseases

• Chronic Liver Disease: Diagnosis and management of various liver conditions such as fatty liver disease, chronic hepatitis, and cirrhosis complications.
• Dyslipidemia (High Cholesterol): Assessment and management of abnormal lipid levels through lifestyle advice and medication to reduce cardiovascular risk.
• Cardiovascular Conditions: Medical management of heart failure, coronary artery disease (stable), arrhythmias (like atrial fibrillation), and valvular heart disease.

Dr. Isenberg 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.

• Internal Medicine Consultation for Primary Care: Providing specialist opinion and management recommendations to family physicians for complex adult patient cases.
• Non-Surgical Management of Cardiovascular Conditions: Medical management of conditions like stable coronary artery disease, heart failure, arrhythmias, and hypertension.
• Coordination of Specialist Care: Acting as a central point of contact to help manage and coordinate input from various medical specialists for patients with multi-system diseases.
• Management of Chronic Respiratory Conditions: Ongoing care for conditions such as COPD, asthma, and interstitial lung diseases, focusing on symptom control and exacerbation prevention.
• 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.

Note: This list represents some of the key services offered by Dr. Isenberg. 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. Isenberg'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. Isenberg's practice is located in the heart of Mississauga City Centre, within the Square One area neighborhood. The clinic is situated adjacent to Brampton Civic Hospital, providing convenient access for patients in the region. The location is accessible via the Cooksville GO Station and well-served by MiWay (Mississauga Transit). Parking is available at the facility, and the premises are wheelchair accessible for patients with mobility needs.

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

In ON, medical consultations with specialists like Dr. Isenberg 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. Isenberg. 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 (Fever of Unknown Origin (FUO) Workup, Chronic Liver Disease), handling challenging diagnostic puzzles, and coordinating care for patients with multiple chronic illnesses. They often serve as consultants to other physicians.

Brampton Civic Hospital
Room NI 423, 21 Queensway E
Mississauga, ON L5B 1B6

Phone: (905) 897-0788 | Fax: (905) 897-9229

The facility is wheelchair accessible.

Dr. Isenberg 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/Isenberg-Joel-Harold/0046053-60031