Our Medical Team


The ON MEN medical team believes that everyone deserves access to personalized, non-judgmental healthcare, and that open and honest communication is key.

Dr. Joseph Larson
Men’s Health Specialist

Dr. Larson completed his medical training through Northern Ontario School of Medicine and later completed his family medicine residency at McMaster University.

He holds a number of medical teaching appointments through University of Toronto, McMaster University, and Athabasca University. He is a member of the Canadian Association of Sport and Exercise Medicine as well as the International Society of Sexual Medicine. He has worked as a hospitalist, family physician, and as a men’s health specialist – which is where his passion lies. Dr. Larson strives to improve the health and wellness of men by designing custom medication formulations and using the latest evidence to direct his care.

Andrew Sharpe
Health Care Provider

Experienced Clinician with expertise in LGBTQ care, Mental Health, Cannabis Medicine, Primary Care and Medical Education/Competency Evaluation.

He comes with over 17+ years of medical practice in Canada with experience ranging from teaching at reputed universities, working in critical care/emergency medicine and providing primary medical care to patients who are facing barriers with the social determinants of health including poverty, homelessness, mental health, addictions, legal challenges, and LGBTQ populations. Andrew has an interest in Men’s Health and Sexual Medicine.

Maria Jacob
Health Care Provider

Maria is an experienced Nurse practitioner with over 15 years of experiences in nursing and educating nursing students in Canada.

She completed her medical education from university of western Ontario, London. Her specialties include, primary care, women’s and men’s health, medical marijuana, and mental health issues. She wishes to change the current paradigm of health care for improved access, unnecessary ER visits through use of technology.


*ON MEN is not a pharmacy or a drug manufacturer.
*If you choose to use our affiliated pharmacy, we will collect funds on behalf of the pharmacy, but all fees associated with prescription drugs will immediately be passed on to the pharmacy.

*All photos are models and not actual patients. *Products are not as pictured.

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