Dr. John Oh, MD, is a highly experienced urologist based in Walnut Creek, California, with over 26 years of practice in the field. He graduated from the Sidney Kimmel Medical College at Thomas Jefferson University in 1997, completing his residencies in surgery (1997-1999) and urology (1999-2003) at the same institution. Dr. Oh specializes in a comprehensive range of urological issues, including bladder cancer, benign prostatic hypertrophy, erectile dysfunction, and kidney stones, among others....