About
Dr. Gregory Louis Hundemer is a dedicated Nephrologist, committed to providing exceptional medical care for adult patients with kidney conditions. Practicing at Mount Sinai Hospital in Ottawa, ON, he is a trusted provider of specialized kidney care in the community. Dr. Hundemer adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring that all aspects of his practice meet rigorous professional guidelines. His role as a Nephrologist involves the diagnosis, treatment, and comprehensive management of kidney diseases, including chronic kidney disease, acute kidney injury, hypertension, and electrolyte disorders. The clinic offers a welcoming environment for patients, providing comprehensive care for a wide range of kidney conditions, from early detection and prevention to advanced disease management, including support for patients on dialysis.
He graduated with a Medical Degree from Vanderbilt University in 2007 (United States). Following medical school, he completed a residency in Internal Medicine, then specialized with fellowship training in Nephrology. With over 6 years of focused experience since 2018, Dr. Hundemer has developed a deep expertise in managing complex kidney conditions. He is recognized as a CPSO Recognized Specialist by the College of Physicians and Surgeons of Ontario (CPSO), reflecting his advanced training and commitment to excellence in nephrology care.
Dr. Hundemer’s professional philosophy centers on preserving kidney function and improving the quality of life for patients with kidney disease. He is dedicated to educating patients and their families about kidney health, empowering them to participate actively in their care. Utilizing evidence-based medicine and the latest therapies, he aims for early detection, prevention of disease progression, and comprehensive management of kidney-related complications. His approach emphasizes collaborative care, working closely with primary care physicians, dietitians, social workers, and other specialists to ensure holistic patient well-being. He offers all patient communication and care exclusively in English, with a focus on compassionate, patient-centered service in Ottawa.
Dr. Gregory Hundemer provides expert diagnosis and management for a wide range of kidney conditions, including:
Glomerular Diseases (Glomerulonephritis)
Dr. Hundemer addresses disorders that affect the glomeruli, the tiny filtering units within the kidneys, often leading to proteinuria, hematuria, and impaired kidney function.
- Nephrotic Syndrome: Treatment aims to reduce proteinuria and manage symptoms.
- Nephritic Syndrome: Characterized by hematuria (blood in urine), hypertension, oliguria (reduced urine output), and some degree of proteinuria and edema.
- Lupus Nephritis: Regular screening for kidney involvement is crucial for lupus patients.
Hypertension and Electrolyte Disorders
Dr. Hundemer is an expert in diagnosing and treating complex cases involving blood pressure and electrolyte imbalances.
- Acid-Base Disorders (Acidosis, Alkalosis): Imbalances in the body's pH level, either too acidic (acidosis) or too alkaline (alkalosis).
- Disorders of Potassium Balance (Hypokalemia, Hyperkalemia): Potentially life-threatening if severe.
- Resistant Hypertension: Often requires specialized nephrology input.
Chronic Kidney Disease (CKD)
Early detection and intervention are key strategies employed by Dr. Hundemer to improve outcomes for individuals with CKD.
- Mineral and Bone Disorder of CKD (CKD-MBD): Aims to prevent fractures and cardiovascular complications.
- Diabetic Nephropathy (Kidney Disease due to Diabetes): A leading cause of CKD and end-stage renal disease.
- Advanced CKD (Stages 4-5, Non-Dialysis): Severe reduction in kidney function, often accompanied by symptoms like fatigue, swelling, and changes in urination.
This list is not exhaustive. For a comprehensive evaluation of your kidney health, a consultation with Dr. Gregory Hundemer is necessary.
- Electrolyte and Acid-Base Disorder Management: Addressing underlying causes and restoring normal physiological balance.
- Chronic Kidney Disease (CKD) Management: Education on self-management strategies for CKD.
- Acute Kidney Injury (AKI) Diagnosis and Management: Prompt evaluation and treatment for sudden loss of kidney function.
- Management of Diabetic Kidney Disease (Diabetic Nephropathy): Close collaboration with endocrinologists and primary care physicians.
- Polycystic Kidney Disease (PKD) and Other Genetic Kidney Disorders Management: Genetic counseling and family screening coordination.
- Medical Management of Kidney Stones (Nephrolithiasis): Evaluation for underlying causes of recurrent kidney stones.
Note: This list provides an overview. Specific treatments are determined after a thorough evaluation and consultation with Dr. Hundemer.
All nephrology services are provided in accordance with the standards of practice set by the College of Physicians and Surgeons of Ontario (CPSO) and relevant Canadian Society of Nephrology (CSN) and Kidney Disease: Improving Global Outcomes (KDIGO) guidelines. A referral from a physician or another specialist is generally required for consultation.
Dr. Hundemer's primary nephrology clinic is conveniently located at Mount Sinai Hospital in Ottawa, ON, offering comprehensive kidney care services. Inpatient care and dialysis services are often provided at Ottawa Hospital, situated in Ottawa's Elmvale Acres, Hawthorne Meadows, and Billings Bridge neighborhoods. The clinic is close to Billings Bridge Shopping Centre and is easily accessible via OC Transpo, including the O-Train LRT and bus routes. The facility is designed to be accessible and comfortable for all patients, with convenient parking options usually available nearby. The practice environment emphasizes professionalism, compassion, and patient comfort, ensuring a welcoming setting for those seeking advanced kidney care in Ottawa.
- When should I see a Nephrologist like Dr. Hundemer?
- You should see a Nephrologist like Dr. Hundemer if you have been diagnosed with kidney disease, have significant risk factors (like diabetes or uncontrolled hypertension with signs of kidney impact), or experience symptoms such as persistent swelling, changes in urination, blood or protein in urine, or unexplained fatigue that your family doctor suspects is kidney-related. A referral from your primary care physician or another specialist is typically required.
- What does a Nephrologist like Dr. Hundemer specialize in?
- A Nephrologist, such as Dr. Hundemer, is a medical doctor (MD) who specializes in the diagnosis and treatment of kidney diseases. This includes managing conditions like chronic kidney disease (CKD), acute kidney injury (AKI), hypertension (high blood pressure), electrolyte imbalances, and providing care for patients requiring dialysis or kidney transplantation. A Nephrologist, specializing in the diagnosis, treatment, and comprehensive management of kidney diseases, including chronic kidney disease, acute kidney injury, hypertension, and electrolyte disorders.
- Do I need a referral to see Dr. Hundemer?
- Yes, a referral from your family physician or another specialist is generally required to see a Nephrologist like Dr. Hundemer for services covered by provincial health insurance (e.g., Ontario Health Insurance Plan (OHIP)). This ensures that Dr. Hundemer receives important medical history and that the consultation is appropriate for your condition. Please have your referring doctor's office contact Dr. Hundemer's clinic for referral instructions.
- What is involved in the kidney transplant process with a Nephrologist like Dr. Hundemer?
- As a Nephrologist, Dr. Hundemer plays a crucial role in the kidney transplant process. This includes evaluating your suitability for a transplant, managing your health while on the waiting list, coordinating with the transplant surgical team, and providing comprehensive medical care after the transplant to manage immunosuppressive medications and monitor for complications or rejection. He works as part of a multidisciplinary transplant team.
- How does Dr. Hundemer help manage high blood pressure (hypertension)?
- Managing high blood pressure is a key part of kidney care. Dr. Hundemer can assess complex cases of hypertension, identify if it's related to kidney problems (renal hypertension), and tailor treatment plans that may include specialized medications or adjustments to existing ones to achieve target blood pressure levels and slow down any kidney damage.
- Are services from Dr. Hundemer covered by provincial health insurance?
- Most specialized medical care for kidney diseases provided by Dr. Hundemer is covered under Ontario Health Insurance Plan (OHIP). This includes appointments, prescribed kidney function tests, management of dialysis, and care before and after a kidney transplant. Medically necessary consultations, diagnostic tests for kidney disease, management of chronic kidney disease, dialysis treatments (hemodialysis and peritoneal dialysis), and medical care related to kidney transplantation are generally covered by Ontario Health Insurance Plan (OHIP). Preventive counseling for high-risk individuals referred by a physician is also typically covered. It's always best to confirm coverage specifics with Dr. Hundemer's office or Ontario Health Insurance Plan (OHIP) directly, as some specific tests or newer adjunctive therapies might have varying coverage.
- What is the difference between a Nephrologist like Dr. Hundemer and a Urologist?
- A Nephrologist like Dr. Hundemer is a medical specialist who focuses on diagnosing and managing diseases that affect kidney function, such as chronic kidney disease, kidney failure, dialysis, and medical aspects of kidney transplantation. Urologists are surgical specialists who treat anatomical or structural problems of the kidneys and urinary tract (e.g., kidney stones requiring surgery, bladder issues, prostate problems, cancers of the kidney/bladder/prostate). While both deal with kidneys, Nephrologists manage kidney function and disease medically, whereas Urologists manage surgically and address urinary tract structures.
Mount Sinai Hospital
1967 Riverside Dr, Division of Gastroenterology
Ottawa, ON K1H 7W9
Office Phone: (613) 738-8400
Dr. Hundemer is a licensed Nephrologist regulated by the College of Physicians and Surgeons of Ontario (CPSO) under the Regulated Health Professions Act, 1991 and Medicine Act, 1991 in ON. A referral from a family physician or another specialist is generally required for a consultation with Dr. Hundemer, particularly for services covered by the Ontario Health Insurance Plan (OHIP).
Verify Dr. Hundemer's registration with the College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Hundemer-Gregory-Louis/0325982-117140