Dr. Ryuta Nagai – Internist / Geriatrician | St Catharines, ON

As a skilled Internist / Geriatrician, Dr. Ryuta Nagai offers expert diagnostic services and management for a wide range of adult health issues. Practicing in St. Catharines, ON, he serves the surrounding communities, providing care that adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO). Dr. Nagai specializes in comprehensive internal medicine and geriatric care, focusing on the unique health needs of adults and seniors.

Dr. Nagai graduated with a Medical Degree from Schulich School of Medicine and Dentistry in 1986 (Canada). He has completed extensive post-graduate medical training, including residency and specialization in Internal Medicine and Geriatric Medicine. His certifications and ongoing education ensure that he remains current with the latest advancements in adult medical care.

With a clear and educational approach, Dr. Nagai is dedicated to providing his patients with thorough explanations and personalized treatment plans. He is committed to supporting the health and well-being of residents in St. Catharines and speaks English fluently. His clinical philosophy emphasizes patient-centered care, preventive medicine, and collaborative decision-making to optimize health outcomes.

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

Endocrine & Metabolic Disorders

• Adrenal Gland Disorders: Diagnosis and management of conditions affecting the adrenal glands, such as adrenal insufficiency.
• Calcium and Parathyroid Disorders: Evaluation and management of conditions related to abnormal calcium levels and parathyroid gland function.
• Thyroid Disorders: Management of hypothyroidism, hyperthyroidism, thyroid nodules, and other thyroid conditions.

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.
• Chronic Kidney Disease (CKD): Monitoring kidney function, managing complications (anemia, bone disease, electrolytes), and strategies to slow disease progression.

Select Infectious & Inflammatory Conditions

• 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.
• Management of Select Rheumatologic Conditions: Care for common inflammatory conditions such as gout or polymyalgia rheumatica, or initial assessment for suspected autoimmune diseases.

Dr. Nagai 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.

• Non-Surgical Management of Cardiovascular Conditions: Medical management of conditions like stable coronary artery disease, heart failure, arrhythmias, and hypertension.
• Perioperative Medical Consultation: Assessing and managing medical risks (e.g., cardiac, respiratory) for patients undergoing surgery to ensure safety and optimize post-operative recovery.
• Driving Safety Assessment Consultation (Medical): Evaluating medical fitness to drive in older adults, considering cognitive, sensory, and physical factors.
• 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.
• Caregiver Support and Education: Providing information, resources, and guidance to family members and caregivers involved in the care of an older adult.

Note: This list represents some of the key services offered by Dr. Nagai. 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. Nagai'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. Nagai's practice is situated near the central neighborhood of St. Catharines, conveniently accessible from local points of interest such as the downtown core and nearby residential areas. The location is easily reachable via public transit, with bus stops within walking distance. The facility is wheelchair accessible, ensuring ease of access for all patients. Parking is available at the facility.

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

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

suite 101B, 100 Martindale Road
St Catharines, ON L2S 2Y3

Phone: (905) 684-6529 | Fax: (905) 684-5577

The facility is wheelchair accessible.

Dr. Nagai 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/Nagai-Ryuta/0043122-57100