Dermatology Associates of San Antonio Established in 1985, DermSA offers comprehensive care in medical, surgical, and cosmetic dermatology. Our board-certified dermatologists provide you with the most current and trusted treatments for skin, hair, and nails. NORTHEAST 7832 Pat Booker Rd San Antonio, TX 78233 210-657-9338 View Map NORTH CENTRAL 18540 Sigma Rd. San Antonio, TX 78258 210-490-4661 View Map NORTHWEST The Shops at La Cantera 15900 La Cantera Pkwy Suite 20270 San Antonio, TX 78256 210-641-9500 View Map