Dr Nitin Pawar is the Best Varicose Veins Surgeon in Pune and Vascular Surgeon in Pune. Dr Nitin Pawar is the most experienced Varicose Veins Surgeon & Vascular Surgeon in Pune. How does a vascular surgeon treat varicose veins? Sclerotherapy. In this procedure, your doctor injects small- and medium-sized varicose veins with a solution or foam that scars and closes those veins. In a few weeks, treated varicose veins should fade. Although the same vein may need to be injected more than once, sclerotherapy is effective if done correctly.