Vrsai.org 72 Laughing Buddhas Production Vatsal Patel Trained Cancer Specialty Doctor, Highly Prolific And Versatile Author. Dr. Vatsal B. Patel is a 36-year-old US Board-Certified Radiation Oncologist. He is a first-generation immigrant who arrived in the US at the age of 16. Raised by his widowed mother and widowed grandmother, Dr. Patel started his life in the US with humble beginnings.