Dr. John Pilcher. BARIATRIC SURGEON. DoctorJP@sagebariatric.com. 210-651-0303. See Dr. Pilcher's profile on Healthgrades. I've always been 'for' the underdog, the person who faces big challenges but works hard to overcome them. That's why my calling as a Bariatric Surgeon is a great fit - I get to help hard-working people shed the ....