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MEET OUR DOCTORS

Joycelyn M. Theard, MD
Board Certified Gastroenterologist

Obi C. Ukabam, MD, MBA
Board Certified Gastroenterologist
Gastroenterology and Interventional Endoscopy

WELCOME

Welcome to the Texas Institute of Gastroenterology Associates (TIGA). We specialize in the field of…

OUR MISSION

We have a mission to build healthier lives through compassion, excellence, and engagement.

OUR CORE VALUES

We’re Compassionate, Committed and we provide Comprehensive Care.

Medical Services

We provide specialized services for a wide range of gastrointestinal conditions, including diet and weight loss. Our dedicated clinical staff and physician assistants are here to assist in delivering high-quality treatment and expert care:

Colonoscopy
A colonoscopy is a procedure used to view the large intestine (colon and rectum) using an instrument…

EGD: Upper GI Endoscopy (EGD)
Upper GI Endoscopy or Gastroscopy is a procedure performed to diagnose and in some cases, treat…

Flexible Sigmoidoscopy
A flexible sigmoidoscopy is a diagnostic procedure that a doctor uses to view the inner lining of…

Small Bowel Capsule Endoscopy
Capsule endoscopy with PillCam™ SB video capsule enables your doctor to examine your entire small intestine…..

Esophageal Manometry
Esophageal manometry is a procedure that measures the strength and function of the muscles in your…

Helicobacter Pylori
Helicobacter pylori (H.pylori) is a bacteria which lives only in the lining of the stomach and is one of the….

Bacterial Overgrowth Breath Test
For a biopsy, the doctor uses a needle to take a tiny sample of liver tissue, then examines it under…

Colon Cancer Screening
Colon cancer affects 134,000 people per year in the United States and causes the death of 55,000 patients per year. This makes colon cancer the #2…

Dr. Theard and staff provided me with great information and care regarding my condition. I felt as though I would never get relief for my symptoms, but I was able to regain happiness with guidance and treatment. I am forever thankful!

Xavier Toson