Dr. Derek Ivan Poon – Family Doctor | Cambridge, ON

Dr. Derek Ivan Poon is a Family Doctor. Practicing at Mackenzie Health Hospital in Cambridge, ON, he is dedicated to providing high-quality, comprehensive, and patient-centered family medical care. He 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. His 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. He serves patients of all ages, from newborns and infants through to children, adolescents, adults, and seniors.

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

Key aspects of his practice philosophy include a dedication to preventative medicine and health promotion, aiming to identify risks early and support patients in maintaining long-term wellness; advocating for patients' needs within the healthcare system and coordinating care effectively with specialists and community services. He is fluent in English and also offers consultations in French.

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

Common Acute Conditions

• Acute Musculoskeletal Injuries (Sprains, Strains, Minor Back/Neck Pain): Initial assessment, diagnosis, and management of common minor acute injuries like ankle sprains, muscle strains (e.g., hamstring, calf), ligament tears (low grade), and acute episodes of uncomplicated low back or neck pain.
• Common Acute Skin Conditions (Rashes, Infections, Bites, Minor Burns): Managing various acute dermatological conditions with appropriate topical or oral medications (antibiotics, antifungals, corticosteroids, antihistamines) to alleviate itching, redness, pain, swelling, and discomfort.
• Urinary Tract Infections (UTIs - Cystitis, Pyelonephritis - uncomplicated initial): Prompt diagnosis (e.g., urinalysis, urine culture if needed) and treatment for uncomplicated urinary tract infections such as cystitis (bladder infection) and initial assessment/management of suspected uncomplicated pyelonephritis (kidney infection) to alleviate discomfort (dysuria, frequency, urgency, flank pain) and prevent complications.
• Upper Respiratory Tract Infections (URTIs - Colds, Flu, Sinusitis, Pharyngitis): Addressing symptoms such as cough, sore throat (including rapid strep testing where available), nasal congestion, facial pain/pressure, and fever associated with common URTIs.

Pediatric Common Issues

• Developmental, Behavioral & Learning Concerns in Children (Screening, Initial Assessment, Guidance & Referral Coordination): Providing initial guidance and evidence-based parenting strategies, and coordinating timely referrals to appropriate pediatric specialists (e.g., developmental pediatricians, child psychologists/psychiatrists, speech-language pathologists, occupational therapists, audiologists) if further evaluation, diagnosis, or specialized intervention is indicated.
• Newborn Care & Infant Feeding Support (Breastfeeding, Formula): Ensuring a healthy start for newborns with regular check-ups, timely interventions if issues arise, and resources for parental education and support.
• Childhood Immunization Schedule Management & Counseling: Providing timely and safe immunizations, addressing parental questions or concerns about vaccines with evidence-based information and empathy, managing catch-up schedules if needed, and documenting all immunizations accurately.
• Common Childhood Infections (Viral & Bacterial - Ear, Throat, Chest, Skin, GI): Expert management of a wide spectrum of acute illnesses affecting infants, toddlers, and school-aged children, including clear guidance for parents on home care, symptom relief, and when to seek urgent re-assessment.

Adult Common Health Issues

• Benign Prostatic Hyperplasia (BPH) - Symptom Management & Monitoring: Assessing and managing lower urinary tract symptoms (LUTS) in aging men commonly due to benign prostatic hyperplasia (BPH). Symptoms include urinary frequency, urgency, nocturia (waking at night to urinate), weak or intermittent stream, hesitancy, straining, and incomplete bladder emptying. Assessment involves history, International Prostate Symptom Score (IPSS) questionnaire, digital rectal exam (DRE) to assess prostate size/consistency, urinalysis to rule out UTI, and serum PSA discussion (for prostate cancer screening context).
• Restless Legs Syndrome (RLS) - Initial Assessment & Management: Helping patients manage the uncomfortable sensations and sleep disruption associated with RLS.
• 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).
• Anemia (Iron Deficiency, Vitamin B12/Folate Deficiency - Diagnosis & Management): Managing common types of nutritional anemia such as iron deficiency anemia (oral or intravenous iron supplementation, dietary advice to increase iron intake and absorption, investigation for source of chronic blood loss if suspected - e.g., GI bleed, heavy menses) and megaloblastic anemia due to vitamin B12 or folate deficiency (oral or parenteral supplementation, dietary counseling, investigation for underlying causes like pernicious anemia, malabsorption syndromes - celiac disease, Crohn's, post-gastric surgery, medication effects - metformin, PPIs).

Dermatological Skin Conditions

• Eczema (Atopic Dermatitis), Contact Dermatitis & Seborrheic Dermatitis: Diagnosing and managing various forms of eczema/dermatitis, including atopic dermatitis (the most common type, often starting in childhood), irritant/allergic contact dermatitis (identifying and avoiding triggers), and seborrheic dermatitis (affecting scalp, face, chest). Management focuses on skincare education (frequent emollients, gentle cleansers, lukewarm baths), trigger identification and avoidance, topical corticosteroids (appropriate potency for site and severity), topical calcineurin inhibitors (TCIs like tacrolimus, pimecrolimus), and antihistamines for itch relief. Referral for patch testing or to dermatology for severe or refractory cases.
• Psoriasis (Mild to Moderate Plaque Psoriasis - Initial Management): Helping patients manage the symptoms of psoriasis (scaling, plaques, itchiness) and reduce skin inflammation through effective topical therapies and supportive care.
• Viral Skin Infections (Common Warts, Molluscum Contagiosum, Herpes Simplex, Herpes Zoster/Shingles): Primary care management for common skin infections caused by viruses, including patient education on the nature of these infections and strategies for managing recurrences.
• Primary Care Skin Cancer Screening & Early Detection (Suspicious Mole/Lesion Assessment): Performing opportunistic or targeted skin examinations, especially for patients with risk factors (e.g., history of sun exposure, family history of skin cancer, multiple moles, fair skin), to screen for suspicious moles or lesions that could indicate skin cancer (basal cell carcinoma - BCC, squamous cell carcinoma - SCC, melanoma). Utilizing dermoscopy if trained to improve diagnostic accuracy. Performing skin biopsies (punch, shave, excisional) of concerning lesions or providing timely referrals to dermatology for further evaluation, biopsy, and management if skin cancer is suspected.

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

• Diabetes Mellitus Care (Type 1, Type 2, Gestational, Prediabetes): Ongoing support, education, and evidence-based treatment for individuals living with all forms of diabetes to help them manage their condition effectively and maintain a high quality of life.
• Management of Common Chronic Pediatric Conditions (e.g., Asthma, Eczema, Allergies): Specialized primary care for childhood chronic diseases to ensure optimal health, growth, and development with coordination with pediatric specialists when necessary.
• Immunizations & Vaccinations (Infant, Child, Adult, Travel): Administering a full range of routine childhood and adult immunizations, booster shots (e.g., tetanus, pertussis), seasonal flu vaccines, and common travel vaccinations (e.g., Hepatitis A/B, Typhoid) to protect against preventable infectious diseases.
• Insomnia & Sleep Disorder Management (Primary Care Approach): Helping you identify factors contributing to poor sleep and develop effective, sustainable strategies to improve sleep quality, duration, and daytime functioning.
• Skin Lesion Assessment, Biopsy & Minor Excisions (Benign Lesions): Management of common skin lesions, including simple diagnostic and removal procedures where appropriate within primary care.

Note: This list highlights some of the key services offered by Dr. Poon. 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 Mackenzie Health 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. Poon frequently works with patients towards goals such as:

• The path to wellness when facing needing a referral to a physiotherapist, psychologist, or other allied health professional involves working towards developing a deeply trusted, respectful, and enduring long-term therapeutic relationship with their dedicated and accessible primary care physician, Dr. Poon, built on open communication and mutual respect. He guides patients so they can again enjoy consistently keeping all appointments for essential preventative dental care, vision checks, hearing tests, and other important allied health services as part of a comprehensive approach to their overall health maintenance.
• If experiencing sudden flashes of light or floaters in their vision is preventing you from boldly taking on new, exciting challenges or ambitious, multi-stage projects either at work or in their personal life with a strong sense of self-efficacy, physical capability, and mental preparedness, Dr. Poon can help. The aim is to achieve having a clear, actionable, and well-understood plan, along with readily available support from Dr. Poon, for effectively managing an acute flare-up of a chronic condition like Inflammatory Bowel Disease (IBD), Chronic Migraine, or Rheumatoid Arthritis (often in co-management with specialists) through personalized family medicine care.
• Patients experiencing feeling unusually tired and completely run down for weeks, not just a day or two of fatigue often seek Dr. Poon's help to improve their quality of life. A key goal is ensuring their children, from infancy through adolescence, received the complete schedule of timely and appropriate immunizations, effectively protecting them from a wide range of preventable and potentially serious childhood diseases, supporting their return to activities like actively participating in local civic life, serving on community boards, contributing to neighborhood associations, or engaging in grassroots advocacy groups with consistent energy, passion, and intellectual commitment.

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

Dr. Poon practices at Mackenzie Health Hospital, located in the Preston Centre, Preston Heights neighborhood of Cambridge. The clinic is conveniently located near Idea Exchange Hespeler and is accessible via Grand River Transit (GRT). Street parking and nearby public or paid lots typically offer convenient options for visitors.

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

Finding a family doctor in Ontario who is accepting new patients can be challenging. The College of Physicians and Surgeons of Ontario often has a "Find a Doctor" tool or list on their website. In Ontario, you can register with Health Care Connect. You can also ask friends, family, or colleagues for recommendations, or contact local community health centres or new patient clinics directly. It may take time to find a suitable doctor.

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 provincial health card. However, some services, such as cosmetic procedures, most travel medicine consultations, sick notes for work/school, insurance forms, and driver's medicals, may not be covered and might have an associated fee. Please confirm with Mackenzie Health Hospital if you have questions about specific non-insured services or potential fees.

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

Generally, you do not need a referral to see a family doctor in Ontario if the doctor is accepting new patients. However, finding a doctor accepting new patients can be difficult. Resources like Health Care Connect in Ontario, or the College of Physicians and Surgeons of Ontario website, may be helpful. A referral from a family doctor is usually required to see specialists.

How do I get a prescription refilled by Dr. Poon?

For most prescription refills, contact your pharmacy at least 5-7 days before you run out of medication. Your pharmacy can often fax a refill request to Dr. Poon's office. Allow at least 2-3 business days for processing. For certain medications (e.g., narcotics, controlled substances), or if it's been a while since your last visit, an appointment will be needed. It is best to request refills proactively.

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

Your family doctor (Ontario) is your primary healthcare provider, expertly trained to care for a wide spectrum of health issues, from newborns to seniors. They manage acute illnesses and injuries, oversee the care of long-term chronic diseases, provide routine health screenings and lifestyle counseling, administer vaccinations, and ensure you get access to specialized medical services through referrals when needed. The continuity of care they provide, understanding your health history and individual needs, is fundamental to effective family medicine.

Mackenzie Health Hospital
700 Coronation Boulevard
Cambridge, ON, N1R 3G2

Phone: (519) 621-2330

Dr. Derek Ivan Poon 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: 85398

Verify registration with The College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Poon-Derek-Ivan/0201401-85398

Family doctors like Dr. Poon 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.