Dr. Robert Douglas Masnyk Dr. Robert Douglas Masnyk Suite 201 589 Lake Street St Catharines ON L2N 7L6 Phone: (905) 646-7650 Fax: (905) 646-5671 St. Catharines Surgeons Ontario Surgeons Joint Replacements Surgical Wait Times Back Pain Clinics National Surgeon Directory Canadian Surgeons Abroad Non-Surgical Treatment Private Surgery Surgical Wait Times Joint Replacements Back Pain Clinics