Dr. Derek Leslie Papastergiou – Family Doctor | Waterloo, ON

Dr. Derek Leslie Papastergiou is a Family Doctor. Practicing at Hotel-Dieu Grace Healthcare in Waterloo, 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 Leslie Papastergiou 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 advocating for patients' needs within the healthcare system and coordinating care effectively with specialists and community services; a holistic approach to health, considering the physical, mental, emotional, and social factors that influence a patient's well-being. He provides consultations in English.

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

Dermatological Skin Conditions

• 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.
• Viral Skin Infections (Common Warts, Molluscum Contagiosum, Herpes Simplex, Herpes Zoster/Shingles): Providing effective treatment for various viral skin conditions to alleviate symptoms, shorten duration of outbreaks, prevent complications (like PHN or secondary bacterial infection), and reduce transmission where applicable.
• Fungal Skin, Nail & Hair Infections (Tinea species, Candidiasis, Onychomycosis): Diagnosis (clinical, skin scraping/KOH preparation, fungal culture if needed) and treatment of common superficial fungal infections including tinea corporis (ringworm), tinea pedis (athlete's foot), tinea cruris (jock itch), tinea capitis (scalp ringworm - requires oral therapy), tinea versicolor (pityriasis versicolor), cutaneous candidiasis (e.g., intertrigo, diaper rash), and onychomycosis (fungal nail infections). Treatment involves topical antifungal creams/lotions/shampoos (e.g., clotrimazole, miconazole, terbinafine, ketoconazole) or oral antifungal medications (e.g., terbinafine, itraconazole, fluconazole) for more extensive, resistant, or nail/hair infections.

Mental Health Concerns

• Stress-Related Conditions, Burnout & Adjustment Disorders: Helping individuals build resilience, develop adaptive coping mechanisms (e.g., problem-solving, relaxation techniques, mindfulness), and navigate stressful periods effectively to protect their mental and physical health.
• Initial Assessment & Referral for Other Mental Health Concerns (e.g., OCD, PTSD, Eating Disorders, Bipolar Disorder, Psychosis): Ensuring individuals with complex or acute mental health needs are connected with the right resources and expertise for effective and safe management.
• Anxiety Disorders (Generalized Anxiety, Panic Disorder, Social Anxiety - Management): Supporting individuals experiencing persistent worry, panic attacks, social phobia, or generalized anxiety with a patient-centered and collaborative approach to care, focusing on symptom reduction and functional improvement.
• Depression & Other Mood Disorders (e.g., Dysthymia, Seasonal Affective Disorder - Management): Assessing symptoms of depression (low mood, loss of interest/pleasure, fatigue, changes in sleep/appetite) and other mood disorders. Offering empathetic supportive counseling, discussing and initiating treatment options including lifestyle interventions, evidence-based antidepressant medications, and facilitating referrals to psychotherapy or psychiatry for moderate to severe or treatment-resistant cases.

Preventative Health Topics

• Comprehensive Lifestyle Counseling (Diet, Exercise, Sleep, Stress Reduction): Supporting your efforts to adopt and maintain healthier habits across multiple domains of life for a better quality of life, increased resilience, and proactive disease prevention through shared goal setting and ongoing support.
• Weight Management & Obesity Prevention/Treatment: Supporting individuals in achieving and maintaining a healthy body weight through non-stigmatizing, patient-centered approaches that focus on sustainable lifestyle habits, improved metabolic health, and overall well-being rather than solely on rapid weight loss or restrictive dieting.
• Travel Medicine Advice & Routine/Travel Vaccinations: Helping you prepare for safe and healthy international travel with essential medical guidance, ensuring you are up-to-date on immunizations and equipped with preventative strategies and medications for common and serious travel-related illnesses.
• Driver's Medical Examinations (Routine, Age-Related, Commercial): Objective medical assessments for driving privileges, completed accurately according to regulatory requirements (fees typically apply as this is often an uninsured service). This may involve coordination with specialists if complex medical conditions impact driving ability.

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

• Chronic Pain Management (Musculoskeletal, Neuropathic - Primary Care Approach): Helping individuals understand and cope with chronic pain, aiming to improve daily function, sleep, mood, and overall quality of life.
• Patient Education on Specific Health Conditions & Self-Management: Ensuring patients and their families understand their medical conditions and treatment plans, encouraging active participation in their own care.
• Routine Health Check-ups & Physicals for Adults: Scheduled visits for adults designed to proactively manage health risks, detect potential problems early, and offer personalized guidance on maintaining optimal health and well-being.
• Childhood & Adolescent Immunization Administration & Counseling: Providing timely and safe immunizations according to provincial and national public health guidelines, ensuring children are fully protected.
• Assessment & Management of Common Joint Pain (Knee, Shoulder, Hip, Back): Offering initial treatment strategies including activity modification advice, pain relief options (oral/topical medications), exercise recommendations, and referrals to physiotherapy, chiropractic, or sports medicine specialists when indicated.

Note: This list highlights some of the key services offered by Dr. Papastergiou. 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 Hotel-Dieu Grace Healthcare, 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. Papastergiou frequently works with patients towards goals such as:

• Dr. Papastergiou assists individuals in navigating their child complaining of stomach aches frequently, possibly related to stress or diet. A successful outcome, like their elderly family member maintaining their cherished independence and dignity for a longer period due to Dr. Papastergiou's comprehensive focus on geriatric syndromes, functional assessment, fall prevention, and medication safety, means they can get back to regularly going for long, challenging, and invigorating hikes in scenic natural environments, cycling picturesque country routes for hours, or swimming multiple laps at the local community pool for both physical fitness and mental relaxation.
• Through Dr. Papastergiou's guidance, patients with needing a doctor's note for work or school due to a recent illness or injury often find they can achieve their family being effectively connected by Dr. Papastergiou to invaluable local community resources, patient advocacy organizations, and peer support groups that have demonstrably improved their coping abilities, social support network, and overall well-being and once again pursue thoughtfully and proactively planning for their long-term future, including considerations for retirement, potential changes in living arrangements, or other significant life transitions, with a strong sense of health security and financial preparedness.
• Managing their teenager needing a confidential space to discuss sensitive health concerns like sexual health or mental well-being effectively is a priority for Dr. Papastergiou. The aim is successfully and permanently quitting smoking, vaping, or significantly reducing harmful substance use with the consistent, non-judgmental, evidence-based support, counseling, and resources provided by Dr. Papastergiou, which helps patients get back to enjoying feeling notably resilient and physically capable enough to bounce back relatively quickly and completely from minor common illnesses, temporary setbacks, or periods of increased stress without prolonged disruption to their normal life.

Your personalized healthcare plan, developed in discussion with Dr. Papastergiou, 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. Papastergiou practices at Hotel-Dieu Grace Healthcare, situated in the Waterloo West (Columbia Forest, Clair Hills) neighborhood of Waterloo. The clinic is conveniently located near University of Waterloo North Campus and is accessible via Grand River Transit (GRT) (Bus and ION Light Rail). Street parking and nearby public or paid lots typically offer convenient options for visitors.

How long do appointments with Dr. Papastergiou typically last?

Typically, a regular appointment with Dr. Papastergiou to discuss a specific health concern or for a follow-up lasts about 10 to 15 minutes. However, if you are a new patient, scheduled for a complete physical exam, or need to discuss multiple or complex health matters, the appointment will likely be scheduled for a longer duration, such as 30 minutes. Please inform the reception staff at Hotel-Dieu Grace Healthcare about the nature of your visit when booking, so sufficient time with Dr. Papastergiou can be arranged.

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. He manages acute illnesses and injuries, oversees the care of long-term chronic diseases, provides routine health screenings and lifestyle counseling, administers vaccinations, and ensures you get access to specialized medical services through referrals when needed. The continuity of care he provides, understanding your health history and individual needs, is fundamental to effective family medicine.

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 (e.g., cosmetic procedures, most travel medicine consultations, sick notes for work/school, insurance forms, driver's medicals) may not be covered and might have an associated fee. Please confirm with Hotel-Dieu Grace Healthcare 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?

The College of Physicians and Surgeons of Ontario often has a 'Find a Doctor' tool or list on its 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. Finding a family doctor who is accepting new patients can be challenging and may take time.

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 if they are accepting new patients. However, finding a family doctor accepting new patients can be challenging; resources like Health Care Connect in Ontario, or the College of Physicians and Surgeons of Ontario website may be helpful. A referral is usually required from a family doctor to see most medical specialists.

Hotel-Dieu Grace Healthcare
520 University Avenue West
Waterloo, ON, N2T 2Z6

Phone: (519) 741-0115

Dr. Derek Leslie Papastergiou 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: 72514

Verify registration with The College of Physicians and Surgeons of Ontario (CPSO): https://doctors.cpso.on.ca/DoctorDetails/Papastergiou-Derek-Leslie/0150095-72514

Family doctors like Dr. Papastergiou 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.