Vivagen Life Sciences is a leading functional medicine and longevity clinic dedicated to delivering comprehensive, integrative, and personalized healthcare. Our mission is to empower patients to achieve optimal health and well-being through prevention, innovation, and advanced medical solutions. We stay ahead of the curve with cutting-edge diagnostics and therapies that help clients turn back the clock on aging and live longer, healthier lives.

We’re currently seeking a Physician Assistant to join our Yorkville clinic. We're looking for someone who can join us on a regular part-time basis (2-3 days/wk) in-clinic given the nature of our patients and the care we provide. They will support and collaborate with Dr. Tim Cook, Vivagen’s founder and Medical Director in dealing with a rapidly growing and demanding group of patients. Dr. Cook is an award-winning Internal Medicine Specialist and pioneer in longevity and integrative health, known for tackling complex medical cases and advancing health optimization across Canada.

As a Physician Assistant at Vivagen Life Sciences you will deliver high-quality, client-centered care within a private primary care setting with a focus on patients dealing with chronic illness. This role involves conducting comprehensive assessments, diagnosing and treating primary medical conditions, and implementing personalized treatment plans that reflect Vivagen’s mission of extending life and enhancing well-being through innovative and integrative approaches.

Key Responsibilities
Client Relationship & Care Coordination

Build solid relationships with clients, addressing concerns, ensuring positive outcomes

Coordinate care and refer to specialists as needed

Write and renew prescriptions

Book quarterly appointments and follow-up visits

Client Intake & Assessments

Conduct thorough medical histories, physical exams, and diagnostic evaluations

Order and interpret lab tests, imaging, and other assessments

Treatment Planning & Implementation





Recommend and implement individualized treatment plans under supervision

Prescribe medications and therapies that meet with provincial laws and clinic protocols

Clinical Procedures

Perform routine procedures such as pap tests, wound care, and other clinical tasks

Client Education

Educate patients on disease prevention, health promotion, and condition management

Record Keeping & Documentation

Maintain accurate and timely records using the clinic’s EHR system

Medical Support for Dr. Cook

Assist with scripting and follow-through for Dr. Cook’s client appointments

Collaboration & Teamwork

Work with physicians, NDs, nurses, and administrative ensuring coordinated care

Support our multidisciplinary team focused on outcomes and innovation

Professional Development

Engage in ongoing education to stay current with advancements in functional and integrative medicine

Quality Improvement & Clinic Operations

Support clinic-wide initiatives to improve care quality and operational efficiency

Qualifications & Competencies

Bachelor's or Master's degree from an accredited Physician Assistant program.

Current Physician Assistant registration in good standing with the College of Physicians and Surgeons of Ontario (CPSO) or equivalent from another Canadian provincial jurisdiction

Minimum of 2 years of clinical experience, preferably in primary care, integrative medicine, or a functional medicine setting.

Strong knowledge of functional medicine principles and practices.

Knowledge/experience/interest in preventative medicine and longevity is an definite asset

Excellent clinical, diagnostic, and decision-making skills.

Strong communication and interpersonal skills.

Commitment to providing compassionate, patient-centered care.

Proficiency in using electronic health records (EHR) systems.

Organizational & Time Management

Ethical & Professional Conduct

If you’re passionate about helping people live longer, healthier lives—and want to be part of a clinic that’s leading the future of personalized care—apply now to join Vivagen Life Sciences in Yorkville.

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📌 Physician Assistant - Chronic Illness (Ontario)
🏢 Vivagen Life Sciences
📍 Ontario