About Us. Colon Liver Gastro Consultants PLLC is a leading gastroenterology group committed to delivering high-quality, patient-centered care in an outpatient setting. Our practice combines clinical excellence with a supportive and collaborative environment to serve patients across the greater Houston area. We are seeking a dedicated and compassionate Nurse Practitioner with an interest in gastroenterology to join our outpatient team. As a dedica...