Frequently Asked Questions
Find answers to common questions about gastroenterology visits, procedures like colonoscopy and upper endoscopy, insurance and billing, and what to expect at your first appointment with Dr. John.
View All FAQs →Colonoscopy Preparation
Learn what to expect before, during, and after your colonoscopy, including detailed bowel prep instructions, dietary guidelines, medication adjustments, and recovery information.
Colonoscopy Guide →Contact & Appointments
Schedule your appointment, find our office location and hours, learn what to bring to your first visit, and verify your insurance coverage with Texas Gut Health.
Contact Us →Insurance Information
Texas Gut Health accepts most major insurance plans including Aetna, BCBS, Cigna, Humana, Medicare, and United Healthcare. Learn how to verify your coverage before your visit.
Insurance Details →Our Services
Explore the full range of gastroenterology services available at Texas Gut Health, from screening colonoscopies and upper endoscopy to ERCP, FibroScan, and infusion therapy.
View Services →Meet Dr. Jaison John
Learn about Dr. John's training, board certifications, clinical philosophy, and why patients across the DFW metroplex trust him for their gastroenterology care.
About Dr. John →Ready to Schedule Your Visit?
Our team at Texas Gut Health is here to help. Call us at (214) 624-6596 or reach out online to book your appointment with Dr. Jaison John in Sachse, TX.
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