If you are a patient or provider and you have questions or concerns, please reach out to us at the phone number(s) or email below. Drive-Up Testing Location 14220 Northbrook Dr. Suite 600San Antonio, Texas 78232 9a-5p M-FClosed Saturday/SundayBy Appointment Only210-982-4000 phone 1-800-834-3522Customer Service Hours8a-6p M-Fr Central TimeClosed Saturday/SundayZoom Monitoring Available during regular hours. Email [email protected]Monitored during regular business hours.Central Time General Inquiries Name Email Phone # Message Send