Dr. Tharsika Sivasubramaniam – Family Doctor | Stouffville, ON

Dr. Tharsika Sivasubramaniam is a Family Doctor. Practicing at The Ottawa Hospital in Stouffville, ON, she is dedicated to providing high-quality, comprehensive, and patient-centered family medical care. She is registered with The College of Physicians and Surgeons of Ontario (CPSO) and practices in accordance with the standards set by this regulatory body and the principles of modern family medicine. Her focus is providing continuous and comprehensive primary medical care for individuals and families across all ages and stages of life. This includes preventative care, diagnosis and treatment of acute and chronic illnesses, and management of ongoing health needs, serving as the central point for patient care. She serves patients of all ages, from newborns and infants through to children, adolescents, adults, and seniors.

Dr. Tharsika Sivasubramaniam completed her Medical Degree. She brings valuable clinical experience to the practice. She has developed skills or a strong interest in areas such as comprehensive primary care within family practice. She is also dedicated to ongoing professional development to stay current with the latest advancements in family medicine.

Key aspects of her practice philosophy include fostering continuity of care and building long-term relationships with patients and their families, providing a trusted medical home; a dedication to preventative medicine and health promotion, aiming to identify risks early and support patients in maintaining long-term wellness. She is fluent in English and also offers consultations in Tamil.

Dr. Tharsika Sivasubramaniam provides comprehensive family medical care for a wide variety of health concerns affecting patients of all ages, including but not limited to:

Preventative Health Topics

• Health Equity & Social Determinants of Health (SDOH) Discussion & Resource Navigation: Advocating for patients facing health inequities and working to connect them with resources that can improve their overall health outcomes and reduce disparities.
• Infectious Disease Prevention & Outbreak Management Support (Community Level): Promoting individual and community resilience against infectious diseases through education, vaccination, and adherence to public health measures.
• Driver's Medical Examinations (Routine, Age-Related, Commercial): Performing comprehensive driver's medicals to ensure individuals meet the health standards necessary for safe vehicle operation, promoting road safety for all.
• Travel Medicine Advice & Routine/Travel Vaccinations: Providing pre-travel consultations for individuals travelling to common and some less common international destinations. This includes a detailed risk assessment based on itinerary (country, region, urban/rural, length of stay, type of travel); advice on food and water safety, insect bite prevention (e.g., for malaria, dengue, Zika, chikungunya), altitude sickness prevention, and management of common travel-related ailments (e.g., traveler's diarrhea). Also includes administration of necessary routine immunizations (MMR, Tdap, Polio, Flu) and specific travel vaccinations (e.g., Hepatitis A/B, Typhoid, Yellow Fever if a designated center, Rabies pre-exposure, Japanese Encephalitis considerations). Malaria chemoprophylaxis prescription if indicated. Complex itineraries or immunocompromised travelers may require referral to a specialized travel clinic.

Adult Common Health Issues

• Helicobacter pylori (H. pylori) Infection - Testing & Eradication Therapy: Testing for Helicobacter pylori infection in appropriate clinical contexts (e.g., patients with peptic ulcer disease, certain types of gastritis, dyspepsia in high-prevalence areas, or family history of gastric cancer) using non-invasive methods like urea breath test, stool antigen test, or serology (less reliable for active infection).
• Venous Insufficiency & Varicose Veins (Conservative Management & Lifestyle Advice): Initial assessment and conservative management of symptoms related to chronic venous insufficiency (CVI) and varicose veins, such as leg aching, heaviness, swelling (edema), skin changes (e.g., hyperpigmentation, lipodermatosclerosis, venous eczema), and uncomplicated superficial thrombophlebitis. Ruling out deep vein thrombosis (DVT) if acute unilateral swelling/pain.
• Allergic Conjunctivitis & Dry Eye Syndrome - Primary Care Management: Diagnosing and managing common eye conditions like allergic conjunctivitis (itchy, red, watery eyes often seasonal or related to specific allergens) with advice on allergen avoidance, cool compresses, artificial tears, and topical/oral antihistamines or mast cell stabilizers. Assessing and providing initial management for dry eye syndrome (keratoconjunctivitis sicca - gritty, burning, foreign body sensation, intermittent blurry vision) with education on environmental modifications, regular use of artificial tears/lubricating ointments, and advice on blinking exercises/lid hygiene. Referral to ophthalmology if symptoms are severe, persistent, vision is affected, or diagnosis is uncertain.

Common Chronic Conditions

• Gastroesophageal Reflux Disease (GERD) & Peptic Ulcer Disease (PUD) - Chronic Management: Helping patients control symptoms of heartburn, regurgitation, and epigastric pain, and prevent long-term issues associated with chronic acid exposure or ulcers.
• Irritable Bowel Syndrome (IBS) - Primary Care Management: Diagnosing IBS based on symptom criteria after ruling out other conditions, and providing primary care management strategies including dietary advice (e.g., low FODMAP diet introduction, fiber management), lifestyle modifications, stress reduction techniques, and symptomatic treatment for abdominal pain, bloating, diarrhea, and/or constipation.
• Hypertension (High Blood Pressure) & Associated Cardiovascular Risk Factors: Partnering with you to achieve and maintain optimal blood pressure control, thereby significantly reducing your risk of heart disease, stroke, kidney failure, and other related health problems.

Joint Muscle Pain

• Gout & Pseudogout (Crystal Arthropathies) - Acute Attack Management & Chronic Prevention Strategies: Providing long-term management strategies for chronic gout to prevent recurrent attacks and complications (e.g., tophi, chronic gouty arthropathy, kidney stones), including detailed lifestyle advice (dietary modifications - reducing purine-rich foods such as red meat/organ meats/shellfish, limiting alcohol especially beer and spirits, avoiding sugary drinks/high-fructose corn syrup; hydration; weight management if overweight/obese) and initiating/managing urate-lowering therapy (ULT) such as allopurinol or febuxostat to achieve and maintain target serum uric acid levels (typically <360 µmol/L or <300 µmol/L if tophi present). Monitoring for medication side effects, adherence, and regular serum uric acid levels.
• Mechanical Low Back & Neck Pain (Acute, Subacute, Chronic - Uncomplicated): Primary care coordination for back and neck pain, including referral to physiotherapy, chiropractic, massage therapy, or specialist pain services when appropriate for persistent or disabling symptoms.
• Polymyalgia Rheumatica (PMR) - Diagnosis, Management & Monitoring (Often with Rheumatology Co-Management): Often co-managed with or referred to rheumatology, especially for atypical presentations, diagnostic uncertainty, difficulty tapering corticosteroids, frequent relapses, or suspected GCA. Primary care plays a key role in ongoing monitoring, patient education, and supportive care for PMR.
• Fibromyalgia & Other Widespread Chronic Pain Syndromes - Primary Care Diagnosis & Multimodal Management: A supportive, holistic, and patient-centered primary care approach to helping individuals manage the complex and often debilitating symptoms of fibromyalgia (widespread pain, profound fatigue, sleep disturbance, cognitive dysfunction - 'fibro fog', mood disturbances), aiming to improve daily function, reduce pain interference, and enhance overall quality of life.

Pediatric Common Issues

• Adolescent Health Care & Counseling (Physical, Mental, Sexual Health, Lifestyle, Substance Use): Providing confidential, respectful, and age-appropriate comprehensive primary care for teenagers (typically ages 12-18+). Addressing a wide range of issues including pubertal development, acne, body image concerns, sports injuries, mental health (screening for anxiety, depression, stress, eating disorders), sexual health education (contraception, STI prevention/screening, healthy relationships), substance use (screening, brief intervention, counseling), and promoting healthy lifestyle choices (nutrition, physical activity, sleep, responsible digital media use).
• Common Childhood Infections (Viral & Bacterial - Ear, Throat, Chest, Skin, GI): Diagnosing and treating frequent acute illnesses in children, such as otitis media (ear infections), streptococcal pharyngitis (strep throat - with rapid testing if available), common colds and influenza, croup, bronchiolitis, roseola, hand-foot-and-mouth disease, viral and bacterial gastroenteritis (vomiting and diarrhea), uncomplicated urinary tract infections, and common skin infections (impetigo, cellulitis - mild).
• Developmental, Behavioral & Learning Concerns in Children (Screening, Initial Assessment, Guidance & Referral Coordination): A first point of contact and trusted resource for parents with concerns about a child's learning, behavior, social interaction, or overall development, offering support, resources, advocacy, and clear pathways to specialized care and school-based supports.
• Well-Baby & Well-Child Check-ups (Growth, Development, Nutrition, Safety): Ensuring your child meets key developmental stages according to age, receives all recommended preventative health screenings (e.g., vision, hearing, anemia, lead - as per guidelines), and appropriate immunizations in a timely manner.

This list offers some examples of common conditions managed in family practice. A diagnosis is always based on an individual assessment by Dr. Sivasubramaniam. If your specific health concern isn't listed, please contact the clinic to discuss your needs.

• Cancer Screening Coordination (Cervical, Breast, Colorectal, Prostate, Lung - as per guidelines): Proactive screening discussions and referrals for common cancers to ensure timely diagnosis and improve treatment outcomes.
• Comprehensive Periodic Health Exams (Check-ups): Regularly scheduled check-ups to monitor overall health, update immunizations, perform age-appropriate screenings, and provide personalized lifestyle counseling.
• Hospital Discharge Follow-Up & Transitions of Care Management: Supporting patients post-hospitalization with continuity of care, clear communication with hospital teams, and proactive management to prevent complications, reduce readmissions, and optimize recovery.
• Coordination with Allied Health Professionals & Community Health Services: Referring to and collaborating effectively with other healthcare providers integral to comprehensive care, such as physiotherapists, occupational therapists, dietitians, psychologists, social workers, speech-language pathologists, chiropractors, pharmacists, optometrists, audiologists, and various community support services (e.g., home care, mental health teams, diabetes education programs, addiction services, public health units).
• Eating Disorder Screening & Referral Coordination: Primary care role in early recognition of eating disorders and ensuring patients access comprehensive treatment pathways.

Note: This list highlights some of the key services offered by Dr. Sivasubramaniam. For a comprehensive understanding of all services, or to discuss your specific health needs, please schedule a consultation.

All services are provided in accordance with the scope of practice for Family Doctors in ON and the ethical and professional standards set by The College of Physicians and Surgeons of Ontario (CPSO).

At The Ottawa Hospital, family medicine is centered on a collaborative partnership to help individuals like you achieve significant improvements in your health, manage ongoing conditions effectively, and enhance your overall well-being. Dr. Sivasubramaniam frequently works with patients towards goals such as:

• Patients often come to Dr. Sivasubramaniam regarding irregular menstrual cycles, very heavy periods, or unusual bleeding that needs checking out. Working together, they aim for feeling genuinely reassured, thoroughly well-informed about all aspects of their condition, and like an empowered, active partner in all decisions regarding their health status, treatment options, and long-term care strategies discussed with Dr. Sivasubramaniam, making a return to enjoying daily life with consistent, vibrant energy, genuine vitality, and a deeply positive outlook on most days feasible.
• Dr. Sivasubramaniam's care for their child has a foreign object stuck in their nose or ear (and it seems minor enough for the clinic) is designed to result in their child successfully overcoming challenges like picky eating habits, minor feeding issues, or common toileting problems with practical, patient, and evidence-informed strategies suggested and supported by Dr. Sivasubramaniam, so patients can resume activities such as effectively managing their personal or household finances, diligently paying bills on time, and competently handling other essential administrative or organizational tasks with sustained mental clarity and focus with confidence.
• Dr. Sivasubramaniam frequently helps patients who are dealing with a follow-up visit after being discharged from the hospital for an illness or surgery to ensure recovery is on track. The primary aim is achieving accessing crucial mental health support, initial assessment, and evidence-based treatment in a familiar, readily accessible, and completely non-stigmatizing primary care environment meticulously provided by Dr. Sivasubramaniam, which often allows them to confidently resume comfortably and confidently navigating crowded, stimulating public spaces like busy shopping malls, bustling farmers' markets, large airports, or public transit hubs without feeling overwhelmed, excessively stressed, or physically unsafe.

Your personalized healthcare plan, developed in discussion with Dr. Sivasubramaniam, will be thoughtfully designed to help you reach your specific functional, preventative, and wellness objectives. She believes in empowering patients with the knowledge and support needed to take an active role in their health journey.

Dr. Sivasubramaniam's practice at The Ottawa Hospital is situated in a family medical practice in the central Stouffville neighborhood of Stouffville. The clinic is conveniently located near local community centers, schools, and shopping areas and is accessible via major local public transit routes. Ample parking is generally accessible close to the clinic entrance; please observe local signage.

What exactly is a family doctor (Family Doctor) and what is their role?

A family doctor, often called a general practitioner (GP), is a medical doctor specializing in comprehensive primary healthcare for individuals and families across all ages and life stages. They serve as your first point of contact for most health concerns, offering preventative care (like check-ups, immunizations, and health screenings), diagnosing and treating acute illnesses (such as infections or minor injuries), managing chronic conditions (like diabetes, hypertension, or asthma), providing mental health support, and coordinating your care by referring you to specialists when necessary. A key aspect of their role is building long-term relationships with patients to promote overall health and well-being.

What should I expect during my first 'meet and greet' or new patient intake appointment with Dr. Sivasubramaniam?

Your first appointment with Dr. Sivasubramaniam is an important opportunity to establish care. She will likely review your detailed medical history, including past illnesses, surgeries, allergies, immunizations, and family health history. she will also want to discuss your current health concerns, any medications you are taking (prescription, over-the-counter, supplements), and your lifestyle habits (diet, exercise, smoking, alcohol use). A basic physical examination may be performed. This visit is also a chance for you to ask questions about Dr. Sivasubramaniam's practice style and for her to explain clinic policies (e.g., booking appointments, prescription refills, communication). The main goal is to gather comprehensive baseline information to provide you with the best possible ongoing care.

Is seeing a family doctor (Family Doctor) covered by Ontario Health Insurance Plan (OHIP) in ON?

Medically necessary visits to a family doctor are typically covered by the Ontario Health Insurance Plan (OHIP) for eligible residents with a valid health card. However, some services, such as cosmetic procedures, most travel medicine consultations, sick notes, insurance forms, and driver's medicals, may not be covered and might have an associated fee. Please confirm with The Ottawa Hospital if you have questions about specific non-insured services or potential fees.

How can I find a family doctor (Family Doctor) in ON who is accepting new patients?

Finding a family doctor accepting new patients can be challenging. You can check the College of Physicians and Surgeons of Ontario website, which often has a 'Find a Doctor' tool. In Ontario, you can also register with Health Care Connect. Ask friends, family, or colleagues for recommendations, or contact local community health centres or new patient clinics directly.

Do I need a referral to see a family doctor (Family Doctor) in ON?

Generally, you don't need a referral to see a family doctor if they are accepting new patients. However, finding one who is can be difficult. Provincial resources like Health Care Connect may be helpful. A referral is usually needed to see specialists.

What does 'preventative care' involve with a family doctor like Dr. Sivasubramaniam?

Preventative care with Dr. Sivasubramaniam aims to prevent health issues or catch them early. This includes regular physical exams, vaccinations, screenings for conditions like certain cancers or heart disease risk factors, and advice on maintaining a healthy lifestyle. It's about being proactive.

How long do appointments with Dr. Sivasubramaniam typically last?

Appointment lengths vary. A quick follow-up might be 10-15 minutes, while annual physicals or complex issues may require 30 minutes or more. Specify your needs when booking.

The Ottawa Hospital
12637 Tenth Line
Stouffville, ON, L4A 7X3

Phone: (905) 591-6060

Dr. Tharsika Sivasubramaniam is regulated by the Regulated Health Professions Act, 1991 & Medicine Act, 1991 (Ontario) in ON and is a registered member in good standing with The College of Physicians and Surgeons of Ontario (CPSO).

Registration Number: 90799

Verify registration with The College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Sivasubramaniam-Tharsika/0258715-90799

Family doctors like Dr. Sivasubramaniam are skilled in managing a wide range of health issues. For urgent or life-threatening emergencies, please call 911 or visit the nearest emergency department. It is always recommended to maintain open communication with your family doctor about all aspects of your health, including any treatments received from other practitioners.