Dr. Paul Myles O’Byrne – Internist / Geriatrician | Hamilton, ON

Dr. Paul Myles O'Byrne is a dedicated Internist / Geriatrician committed to providing comprehensive medical care for adults, with a focus on complex conditions and geriatric health. Practicing in Hamilton, ON, he serves the surrounding communities, emphasizing patient-centered care and multidisciplinary collaboration. His practice adheres to the high standards set by the College of Physicians and Surgeons of Ontario (CPSO), ensuring quality and safety in every aspect of patient care.

Dr. O'Byrne graduated with a Medical Degree from the National University of Ireland in 1975 and has completed extensive post-graduate medical training in Internal Medicine and Geriatrics. His certifications include board-certified qualifications and ongoing professional development in areas relevant to adult and senior health. He maintains active recognition and licensure through the College of Physicians and Surgeons of Ontario (CPSO).

His clinical philosophy is grounded in providing clear, educational, and compassionate care. Dr. O'Byrne is committed to addressing the unique health needs of his patients, especially older adults, by emphasizing preventive strategies, early diagnosis, and personalized management plans. He speaks English fluently and values communication that empowers patients to make informed health decisions.

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

Complex Diagnostic & Multi-System Issues

• Management of Patients with Multiple Comorbidities: Coordinating care and treatment plans for individuals managing several complex health conditions simultaneously.
• Syncope (Fainting) Evaluation: Comprehensive work-up to determine the cause of fainting spells or loss of consciousness.
• Evaluation of Undifferentiated Symptoms: Investigating complex presentations like fatigue, weight loss, or pain without a clear diagnosis.

Select Infectious & Inflammatory Conditions

• Evaluation of Inflammatory Markers: Investigating elevated inflammatory markers (like ESR or CRP) to identify potential underlying systemic conditions.
• 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.

Geriatric Syndromes & Focused Elder Care

• Polypharmacy & Medication Optimization: Expert review of multiple medications to reduce adverse effects, eliminate unnecessary drugs (deprescribing), and simplify regimens.
• Delirium Prevention & Management: Identifying risk factors for delirium (acute confusion) in hospitalized or ill older adults and implementing management strategies.
• Urinary Incontinence Assessment: Evaluation and management of bladder control issues common in older adults.

Dr. O'Byrne 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.

• Preventative Health Risk Assessment: Evaluating individual risk factors for major chronic diseases (e.g., cardiovascular disease, osteoporosis) and developing preventative strategies.
• Frailty Evaluation and Management: Assessing for frailty (increased vulnerability) and developing interventions to enhance resilience, function, and independence.
• Thyroid Disorder Management: Diagnosis and ongoing management of conditions like hypothyroidism, hyperthyroidism, and thyroid nodules.
• Management of Chronic Respiratory Conditions: Ongoing care for conditions such as COPD, asthma, and interstitial lung diseases, focusing on symptom control and exacerbation prevention.
• Second Opinion Consultations: Providing an independent expert review and opinion on complex diagnoses or treatment plans.

Note: This list represents some of the key services offered by Dr. O'Byrne. 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. O'Byrne'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. O'Byrne's practice is situated in the Westdale neighborhood of Hamilton, within close proximity to Ainslie Wood and the McMaster University area. Patients can enjoy convenient access near landmarks such as Dundurn Castle National Historic Site and the Hamilton Farmers' Market. The clinic is easily accessible via the Hamilton Street Railway (HSR), ensuring convenient transit options. The facility is wheelchair accessible. Parking is available at the facility.

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

In ON, medical consultations with specialists like Dr. O'Byrne 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. O'Byrne. 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 are typical wait times for an appointment?

Wait times for specialist appointments can vary significantly depending on the urgency of the referral, the volume of requests, and Dr. O'Byrne's availability. Our office prioritizes referrals based on medical need. We strive to see patients as promptly as possible and will contact you once the referral is processed to schedule an appointment. You can inquire about approximate wait times when booking.

R R 1, 1280 Main Street West
Hamilton, ON L8S 1K4

Phone: (905) 525-9140 | Fax: (905) 546-0800

The facility is wheelchair accessible.

Dr. O'Byrne 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/OByrne-Paul-Myles/0030853-42833