Our Team

A team of devoted pediatric specialists in gastroenterology-hepatology-nutrition, pathology, radiology, surgery, rheumatology, psychology and social work provide individualized care, education and cutting-edge research to help patients and families manage the long-term aspects of the disease. The team also provides support for patients and families in dealing with difficult issues related to IBD and its symptoms, including bi-monthly Family Support Group meetings.


Clinical Interests: Dr. Ihekweazu’s clinical interests include general pediatric gastroenterology, with a primary focus on Inflammatory Bowel Diseases. Research Interests: Dr. Ihekweazu’s research focuses on the relationship between the gut microbiome and Inflammatory bowel diseases (IBD),… read more
Phone: 832-822-3131
Dr. Kellermayer is the director of the Pediatric Inflammatory Bowel Disease (IBD) Program at Texas Children's Hospital (TCH), Baylor College of Medicine (BCM). He is a devoted pediatric gastroenterologist striving for outstanding patient care with special interest in IBD (including Crohn's disease… read more
Phone: 832-822-3131 (Main) | 832-227-1440 (West)
Lina B. Karam M.D is a Pediatric Gastroenterologist with clinical expertise in treatment of patients with a variety of gastrointestinal disorders and a special interest in patients with inflammatory bowel disease. She is the medical director of the capsule endoscopy program which is a state of the… read more
Phone: 832-822-3131
As a pediatric gastroenterologist, I strive to not only provide great patient care but to also develop a relationship built on trust with my patients and their families. In order to treat a patient’s disease, I believe that it is necessary to address every aspect, from physical to psychological. I… read more
Phone: 832-227-1440
Dr. Walsh is a dedicated pediatric gastroenterologist with a clinical interest in inflammatory bowel disease, Crohn’s disease and ulcerative colitis.  She cares for children with a wide array of gastrointestinal difficulties.  Her focus is providing the highest quality of care through compassion,… read more
Phone: 832-822-3131
Dr. Allyson Wyatt is a pediatric gastroenterologist that cares for children with general gastrointestinal disorders and specializes in Inflammatory Bowel Disease (IBD) – Crohn’s disease and Ulcerative Colitis. Dr. Wyatt practices at Texas Children’s Hospital in The Woodlands and leads a… read more
Phone: 936-267-7555


Dr. Lisa Forbes is an Assistant Professor of Pediatrics in the Section of Immunology, Allergy and Rheumatology at Baylor College of Medicine and Texas Children’s Hospital.  She is also the Medical Director for the Texas Children’s Center for Human Immunobiology.  Dr. Forbes specializes in treating… read more
Phone: 832-824-1319


Dr. Schady's research interests include solid tumors and diseases of the gastointestinal tract. She is board certified in pediatric pathology, and anatomic and clinical pathology.
Phone: 832-824-2250


Dr. Czyzewski’s clinical interest center around the assessment and treatment of behavioral and psychological factors which impact physical symptoms or chronic illness.  She works closely with the healthcare providers in several pediatric subspecialties.  She participates on a research team… read more
Phone: 832-822-1900 New Patient Appts. | 832-822-3700 Return Appts./Other
Mariella M. Self, Ph.D., ABPP, is an associate professor of Pediatrics at Baylor College of Medicine and a pediatric psychologist at Texas Children’s Hospital, where she provides inpatient consultation and outpatient intervention services for children and families managing a variety of medical… read more
Phone: 832-822-1900 New Patient Appts. | 832-822-3700 Return Appts./Other


Dr. Masand is the Division Chief for Body and Cardiovascular imaging, in the department of Pediatric Radiology at Texas Children’s Hospital. Dr. Masand is board certified by the American Board of Radiology and has a certificate of added qualification in the field of Pediatric Radiology. He is an… read more
Phone: 832-824-7237
Dr. Sammer’s goal is to positively improve quality of care and outcomes for patients. As a pediatric imager, ensuring children have equal access to high quality medical imaging is paramount. To accomplish, Dr. Sammer emphasizes data driven processes to bring cutting edge technology into clinical… read more
Phone: 936-267-7400


As clinic chief of the Pediatric Rheumatology Center of Texas Children's Hospital, Dr. de Guzman has worked to redefine the elements of maintaining excellent, relevant and up-to-date care of children and adolescents with arthritis, lupus and lupus spectrum diseases, systemic vasculitis, scleroderma… read more
Phone: 832-824-1319
I am a pediatric rheumatologist with a Master's of Science Degree in Clinical Research whose activities include patient care, fellowship education, and clinical research. My research interests include neurologic manifestation of systemic autoimmune disorders (primarily SLE, APS, vasculitis, and… read more
Phone: 832-824-1319
Dr. Vogel is a native of Southern California, where she played college basketball at Claremont McKenna College.  During her graduate studies in the Medical Scientist Training Program at the University of Chicago she worked on the development of CD8 T cell memory.  She subsequently completed a… read more
Phone: 832-824-1319


Dr. Adam Vogel was born and raised in Hauppauge, New York. As a child and teenager he had frequent visits to his family pediatrician which, combined with an interested in biologic sciences evolved into a desire to pursue a career in medicine and to help sick children. His passion for problem… read more
Phone: 832-822-2778
Dr. Ruben Rodriguez is a general and thoracic pediatric surgeon whose primary practice is at Texas Children’s Hospital – The Woodlands. His focus is on complex gastrointestinal surgery with a specific interest in minimally invasive approaches. He specializes in surgeries for Inflammatory Bowel… read more
Phone: 936-267-7333 (The Woodlands)
Dr. Rialon is a board-eligible pediatric surgeon that provides care in all aspects of neonatal and pediatric surgery.  Her interest in pediatric surgery began as a student at Harvard Medical School.  She completed her general surgery training at Duke University Hospital, and then a pediatric… read more
Phone: 832-822-2778

Inflammatory Bowel Disease Coordinator

Ilaria Faleye, BSN, RN
Ilaria has a wealth of nursing experience, having practiced for 13+ years. She has worked as a medical-surgical nurse, a nurse surveyor of home health agencies, a pediatric dialysis nurse, and a certified wound care specialist. Ilaria has been with the Texas Children’s Hospital Gastroenterology,… read more
Phone: 832-822-4024