John Mahoney, MD, RCPSC

Dr. John Mahoney

Dr. John Mahoney joined HGH’s medical team in 2002.


  • Diplomate of the American Board of Urology (1996)
  • Master of Science in Clinical Epidemiology and Biostatistics, McMaster University (1994)
  • Terry Fox Cancer Fellow, McMaster University (1991-1993)
  • Residency training in Urology, University of Toronto (1991)
  • Doctorate of Medicine, University of Toronto (1986)
  • Bachelor of Biology, St. Francis Xavier University, Nova Scotia (1982)


  • American College of Surgeons
  • American Urological Association
  • Canadian Academy of Urological Surgeons
  • Canadian Medical Protective Association
  • Canadian Urological Association
  • Canadian Urologic Oncology Group
  • Ontario Medical Association
  • Royal College of Physicians and Surgeons of Canada
  • The College of Physicians and Surgeons of Ontario

Types of treatment

  • General urology
  • BPH, voiding dysfunction
  • Kidney stones/urolithiasis
  • Male sexual dysfunction
  • Oncology: prostate, bladder, testicular, renal, ureteric

How to book an appointment with Dr. John Mahoney?

  • You must have a referral from your physician to book an appointment.
  • Dr. Mahoney sees patients at the HGH Urology Clinic.

For healthcare professionals

Refer a patient to Dr. John Mahoney: Link to referral forms