Dr. Olufemi Rolland Ayeni Dr. Olufemi Rolland Ayeni McMaster University Medical Center Room 4E15 1200 Main Street West Hamilton ON L8N 3Z5 Tel: (905) 521-2100 Ext. 7353 Fax: (905) 521-9992 Hamilton Surgeons Ontario Surgeons National Surgeon Directory Canadian Surgeons Abroad Non-Surgical Treatment Private Surgery Surgical Wait Times Joint Replacements Spinal Clinics