Dr. Johnston graduated from University of Texas Health Science Center at San Antonio Long School of Medicine in 1997 and has been in practice for 21 years. He completed a residency at University of Medicine and Dentistry of New Jersey. Dr. Johnston also specializes in Surgical Critical Care. He currently practices at Start Center Surgical Consultants and is affiliated with Methodist Hospital and Methodist Stone Oak Hospital. Dr. Johnston accepts multiple insurance plans including Aetna, Imagine Health - Innovative Health and Medicare. In addition to English, Dr. Johnston's practice supports this language: Spanish.