Dr. Jonathan I Bishinsky – Internist / Geriatrician | Markham, ON

Dr. Jonathan I Bishinsky is a dedicated Internist / Geriatrician committed to providing comprehensive medical care for adults, with a focus on complex conditions and geriatric health. Practicing in Markham, ON, he serves the surrounding communities with warmth and a strong sense of community. His approach emphasizes personalized care and building trusting relationships with his patients. Dr. Bishinsky adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring that all patients receive safe, ethical, and evidence-based medical services.

He graduated with a Medical Degree from McGill University Faculty of Medicine and Health Sciences in 1983, completing extensive post-graduate medical training in internal medicine and geriatrics. Over the years, he has earned key certifications and maintains ongoing professional development to stay current with the latest advances in his fields of expertise. His training equips him to manage a broad spectrum of adult health concerns, especially those affecting older adults and seniors.

Dr. Bishinsky’s clinical philosophy is warm, community-focused, and patient-centered. He believes in fostering open communication, respecting patient preferences, and providing holistic care that considers physical, emotional, and social factors. Fluent in English and French, he strives to serve his diverse community with compassion and understanding, ensuring every patient feels valued and supported in their health journey.

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

Geriatric Syndromes & Focused Elder Care

• Nutritional Assessment & Weight Loss: Investigating unintentional weight loss and malnutrition, providing guidance on nutritional support for older adults.
• Falls, Mobility & Balance Disorders: Multifactorial assessment to identify causes of falls and gait instability; implementation of prevention strategies.
• Frailty Assessment & Management: Identifying and managing frailty to improve resilience, maintain function, and enhance quality of life in older adults.

Select Infectious & Inflammatory Conditions

• Fever of Unknown Origin (FUO) Workup: Systematic investigation to determine the cause of prolonged, unexplained fevers.
• Complex Infections Consultation: Providing diagnostic and management expertise for challenging infections, often in consultation with primary care.
• Evaluation of Inflammatory Markers: Investigating elevated inflammatory markers (like ESR or CRP) to identify potential underlying systemic conditions.

Endocrine & Metabolic Disorders

• 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.
• Osteoporosis & Metabolic Bone Disease: Diagnosis, risk assessment, and treatment strategies for conditions affecting bone strength and metabolism.

Dr. Bishinsky 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.

• Perioperative Medical Consultation: Assessing and managing medical risks (e.g., cardiac, respiratory) for patients undergoing surgery to ensure safety and optimize post-operative recovery.
• Thyroid Disorder Management: Diagnosis and ongoing management of conditions like hypothyroidism, hyperthyroidism, and thyroid nodules.
• 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.
• Assessment of Functional Decline: Investigating and managing sudden or gradual changes in an older adult's ability to perform daily activities.
• 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. Bishinsky. 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. Bishinsky'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. Bishinsky's practice is situated in the Thornhill East neighborhood of Markham, Ontario, conveniently close to the Milliken Mills Community Centre & Library. The location is easily accessible via York Region Transit (YRT) and Viva bus services, making it convenient for patients in the surrounding communities. The facility is wheelchair accessible. Parking is available at the facility.

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

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

Is the focus mainly on diseases or also on daily function?

While diagnosing and managing diseases like Diabetes Mellitus (Type 1 & 2) or Cognitive Impairment & Dementia Syndromes is crucial, Dr. Bishinsky also places significant emphasis on maintaining or improving daily function and quality of life, especially for older adults. The goal is often to help patients remain as independent and active as possible, addressing issues like mobility, self-care (Osteoporosis & Metabolic Bone Disease), and participation in meaningful activities.

What kind of tests might Dr. Bishinsky order?

Depending on your specific medical situation, Dr. Bishinsky may order various tests to aid in diagnosis or management. These could include blood tests, urine tests, imaging studies (like X-rays, ultrasounds, CT scans), electrocardiograms (ECGs), or referrals for other specialized tests (like pulmonary function tests or bone density scans). He will explain why any tests are being recommended.

Will Dr. Bishinsky replace my family doctor?

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

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, handling challenging diagnostic puzzles, and coordinating care for patients with multiple chronic illnesses. They often serve as consultants to other physicians.

50 Minthorn Boulevard
Markham, ON L3T 7X8

Phone: (905) 731-7832 | Fax: (905) 731-6419

The facility is wheelchair accessible.

Dr. Bishinsky 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/Bishinsky-Jonathan-I/0046065-60043