Dr. Xiao Feng Guo – Internist / Geriatrician | Newmarket, ON

Dr. Xiao Feng Guo, a respected Internist / Geriatrician, focuses on evidence-based medicine and personalized care plans. Practicing in Newmarket, ON, he serves the surrounding communities with a commitment to providing comprehensive and compassionate medical care. His practice adheres to the standards and ethical guidelines set forth by the College of Physicians and Surgeons of Ontario (CPSO). Dr. Guo’s role is centered on delivering expert internal medicine and geriatric care tailored to each patient's unique health needs.

He graduated with a Medical Degree from McGill University Faculty of Medicine and Health Sciences in 2011 (Canada) and completed extensive postgraduate training in internal medicine and geriatrics. His certifications include membership in relevant medical colleges and ongoing professional development to stay current with advancements in his field. This rigorous training enables Dr. Guo to diagnose, treat, and manage a broad spectrum of adult health conditions with precision and care.

Dr. Guo’s clinical philosophy emphasizes clear communication, patient education, and multidisciplinary collaboration. He is dedicated to improving health outcomes through evidence-based practices and patient-centered approaches. Fluent in both English and Chinese, he is committed to serving diverse populations in Newmarket and the surrounding areas, ensuring accessible and culturally appropriate care for all patients.

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

Complex Diagnostic & Multi-System Issues

• Evaluation of Undifferentiated Symptoms: Investigating complex presentations like fatigue, weight loss, or pain without a clear diagnosis.
• Perioperative Medical Optimization: Pre-surgical assessment and management of medical conditions to minimize operative risks and ensure smoother recovery.
• Investigation of Anemia: Diagnosing the underlying cause of low red blood cell counts.

Endocrine & Metabolic Disorders

• Adrenal Gland Disorders: Diagnosis and management of conditions affecting the adrenal glands, such as adrenal insufficiency.
• Osteoporosis & Metabolic Bone Disease: Diagnosis, risk assessment, and treatment strategies for conditions affecting bone strength and metabolism.
• Calcium and Parathyroid Disorders: Evaluation and management of conditions related to abnormal calcium levels and parathyroid gland function.

Select Infectious & Inflammatory Conditions

• Management of Select Rheumatologic Conditions: Care for common inflammatory conditions such as gout or polymyalgia rheumatica, or initial assessment for suspected autoimmune diseases.
• Fever of Unknown Origin (FUO) Workup: Systematic investigation to determine the cause of prolonged, unexplained fevers.
• Complex Infections Consultation: Providing diagnostic and management expertise for challenging infections, often in consultation with primary care.

Dr. Guo 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.
• Internal Medicine Consultation for Primary Care: Providing specialist opinion and management recommendations to family physicians for complex adult patient cases.
• Preventative Health Risk Assessment: Evaluating individual risk factors for major chronic diseases (e.g., cardiovascular disease, osteoporosis) and developing preventative strategies.
• Thyroid Disorder Management: Diagnosis and ongoing management of conditions like hypothyroidism, hyperthyroidism, and thyroid nodules.
• Geriatric Psychiatry Liaison Support: Assessing and managing mood disorders (like depression, anxiety) and behavioral changes often associated with dementia or other conditions in older adults.

Note: This list represents some of the key services offered by Dr. Guo. 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. Guo'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. Guo’s practice is located in central Newmarket, within the Gorham-College Manor neighborhood. The location is conveniently situated near Mulock Park (future development) and is accessible via York Region Transit (YRT) / Viva services. The facility is wheelchair accessible. Parking is available at the facility, ensuring easy access for all patients.

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

In ON, medical consultations with specialists like Dr. Guo 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. Guo. 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 should I do if I have an urgent medical problem?

Dr. Guo's office provides specialist consultations and is not equipped for emergency care. If you have an urgent medical issue or emergency, please contact your family doctor, go to the nearest hospital Emergency Department, or call 911.

596 Davis Drive, Newcare
Newmarket, ON L3Y 2P9

Phone: (905) 895-4521

The facility is wheelchair accessible.

Dr. Guo 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/Guo-Xiao-Feng/0287093-100097