About Dr. Gavin O'Brien Varicose Vein TreatmentsRadiofrequency Ablation of Varicose Veins Traditional Surgery Cyanoacrylate glue Foam Sclerotherapy (Ultrasound guided) Microsclerotherapy Thermavein Contact Address: Mercy University Hospital, Grenville Place, Cork. Phone: 021 4935391 Fax: 021 4279896 Email: contact@vascularsurgeon.ie Business Hours: 8a–6:30p M-F, 9a–2p S-S Make an appointment today