Our Team

Complex conditions require a comprehensive approach. Our Colorectal and Pelvic Health team is made up of leading physicians from four specialties — pediatric surgeryurologypediatric and adolescent gynecology, and gastroenterology — all working together, in one location, to care for your child’s needs. The multidisciplinary team is comprised of advanced practice providers with years of experience treating rare childhood conditions of the colon or rectum.

General Surgery

Dr. Cheng is a board-eligible pediatric surgeon who provides care in all aspects of pediatric surgery. Her interest in pediatric surgery began when she had heart surgery as a child. She now strives to provide compassionate and complete care for all of her patients. She completed her general surgery… read more
Phone: 832-822-2778
Dr. Timothy Lee is a co-director of the Fetal Center and director of the Colorectal and Pelvic Health Program. He received his medical degree from Baylor College of Medicine (BCM) in 2001, continued at BCM to pursue his residency in general surgery and completed his fellowship in pediatric surgery… read more
Phone: 832-822-2778
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
Felicia Denner is a nurse practitioner in the division of Pediatric Surgery at Texas Children's Hospital.  She cares for patients in the outpatient clinical setting with a focus on improving post-surgical outcomes and the patient experience.  She has a particular clinical interest and training in… read more
Phone: 832-227-2250
Veronica Victorian, DMSc, PA-C is a Physician Assistant trained in all areas of medicine. During her clinical training, she took particular interest in Pediatric General Surgery and Pediatric Intensive Care and has been a member of the Pediatric Surgery division since graduation in 2010. She… read more
Phone: 832-822-2778


I believe that our care should strive to be a patient and family centered care that delivers the highest quality and cutting edge of urologic treatments. Clinical Interests: Genitourinary reconstruction including hypospadias, neurogenic bladder, disorders of sexual development, exstrophy,… read more
Phone: 832-822-2778 (Main) | 832-227-2220 (West) | 713-839-0164 (Bellaire)
My clinical area of expertise and interest is in minimally invasive surgery in children for their pediatric urologic conditions, especially with robotic surgery and single incision laparoscopic surgery, and I am the director of the Pediatric Robotic Surgery Program. We have shown that minimally… read more
Phone: 832-822-2778 (Main) | 281-469-4688 (CyFair) | 281-491-3636 (Sugar Land) | 713-533-9016 (Kirby)
Phone: 832-822-3160
Edwin Welsh, PA-C is a board-certified Physician Assistant within the Department of Pediatric Urology at Texas Children’s Hospital. Edwin is a native of Jackson, MS. He received his undergraduate education from Lewis University and a Master of Science in Medicine from Mississippi College. Edwin… read more
Phone: 832-822-3160 (Main) | 832-227-2220 (West)

Pediatric and Adolescent Gynecology

Jennifer E. Dietrich MD, MSc, FACOG is a Tenured Professor in the Department of OB/GYN and Department of Pediatrics at Baylor College of Medicine. She is the Fellowship Director and Division Director for Pediatric and Adolescent Gynecology. She is Chief of Pediatric and Adolescent Gynecology at… read more
Phone: 832-822-2778
Jennifer L. Bercaw-Pratt, MD, assistant professor in the Department of Obstetrics and Gynecology, is board certified in Obstetrics and Gynecology. Dr. Bercaw-Pratt earned her medical degree at Louisiana State University Health Science Center in Shreveport, LA. She completed her residency and… read more
Phone: 832-822-2778


I believe that providing exceptional care to children is a great privilege. Children should feel involved in their care and as such leaving a lasting positive impression on the children I care for is of utmost importance.  As a strong advocate of the mind- body connection, I believe that addressing… read more
Phone: 832-227-1440 (West) | 832-828-1800 (Sugar Land)
Dr. Balakrishnan is an Assistant Professor of Pediatrics within the Section of Gastroenterology, Hepatology, and Nutrition, Department of Pediatrics at Baylor College of Medicine and an Attending physician at Texas Children’s Hospital. Dr Balakrishnan’s area of focused interest is in… read more
Phone: 832-822-3131
Dr. Chiou is a pediatric gastroenterologist with a clinical focus on Neurogastroenterology and Functional GI Disorders. The current focus of Dr. Chiou’s research is on disorders of esophageal motility in children, including conditions such as gastroesophageal reflux disease (GERD).  Despite the… read more
Phone: 832-822-3131
During my training in pediatrics and pediatric gastroenterology it became apparent that the areas of childhood functional gastrointestinal disorders and childhood motility disorders were both clinically and scientifically underserved.  I was struck by how common these disorders (such as chronic… read more
Phone: 832-822-3131


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
Dr. Gallagher is a pediatric psychologist specializing in working with youth and families affected by chronic medical conditions, particularly type 1 and type 2 diabetes. Some of her clinical interests include helping youth and families build skills for reducing diabetes distress and “burnout”;… read more
Phone: 832-822-3700
Dr. Washington is a Clinical Psychologist and Assistant Professor at Baylor College of Medicine\Texas Children's Hospital. She is a pediatric psychologist specializing in chronic health conditions in underserved populations. Dr. Washington serves as a psychology liaison to the Sickle Cell/… read more
Phone: 832-822-3700

Pelvic Floor Physical Therapy

Caitlin has been a member of the GI/motility team since June 2015, and is extremely passionate about her work with this program. Caitlin’s clinical and research interests include: gastrointestinal/functional motility disorders, fecal and urinary incontinence and promoting overall wellness from a… read more
Phone: 832-826-2121 | Pager 2734

Social Worker

Joanna L. Thielmann, LMSW

Program Coordinator

Gia G. Frazier, RN
Gia Frazier is a Clinical Nurse Coordinator in the division of Pediatric Surgery at Texas Children’s Hospital. She has been with the Colorectal and Pelvic Health program for over 2 years and a Registered Nurse for 16 years. She has a particular interest in helping patients navigate through our… read more
Phone: 832-822-3135 (Clinic) | 832-822-0627 (Direct)