Established in 1985, DermSA offers comprehensive care in medical, surgical, and cosmetic dermatology. Our staff of board-certified dermatologists provides the most trusted treatments for skin, hair, and nails with the latest technology available.

Dr. William Parsons is a board-certified dermatologist with extensive experience in medical, surgical, and cosmetic dermatology. He is passionate about providing high-quality, patient-centered care and is dedicated to helping individuals achieve and maintain healthy skin. Dr. Parsons has proudly served the San Antonio community since 1984.

Dr. Daniel Wallis is a board-certified dermatologist who provides comprehensive care in medical, surgical, and cosmetic dermatology. He is committed to thorough, patient-centered care with a strong focus on skin cancer detection and treatment.

Dr. Karen Guerrero is a board-certified dermatologist with expertise in medical, surgical, and cosmetic dermatology. She is dedicated to providing comprehensive, patient-centered care for individuals of all ages and has served patients in both military and civilian settings throughout her distinguished career.

Dr. Reynal is a board-certified dermatologist and an associate member of the American Academy of Dermatology. He is also a member of the American Medical Association, Texas Medical Society, and Bexar County Medical Society.

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.

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.