Pediatric Surgery

Rona M. Tiglao, APN-CNP, a nurse practitioner specializing in pediatric surgery at Endeavor Health, provides care for children with surgical needs including constipation, hernias and urologic conditions. She works with pediatric surgeons and care teams to deliver treatment in both inpatient and outpatient settings. Rona supports children and their families through every stage of the surgical experience, from evaluation to recovery.

Srikumar B. Pillai, MD, a pediatric surgeon at Endeavor Health, provides surgical care for infants, children and adolescents with a wide range of conditions. He performs procedures to address congenital anomalies, injuries and diseases affecting various organ systems. Dr. Pillai collaborates with pediatric specialists, anesthesiologists and care teams to ensure each patient receives treatment tailored to their needs. His approach integrates advanced surgical techniques with evidence-based practices to promote the best possible outcomes.

John Joseph Tackett, MD, a pediatric surgery physician at Endeavor Health, provides surgical care for children with a wide range of conditions. His clinical expertise includes treating hernias, appendicitis and gallstones, as well as performing complex pediatric procedures. Dr. Tackett works closely with patients and families to develop individualized treatment plans and collaborates with multidisciplinary teams to ensure coordinated surgical care and recovery support.

Elizabeth Nanney, APN-CNP, an advanced practice clinician specializing in pediatric surgery at Endeavor Health, provides care for children with complex surgical needs, including conditions like Hirschsprung’s disease, cloaca and VACTERL syndrome. She works alongside pediatric surgeons and care teams to support families through surgical planning, hospitalization and recovery. Elizabeth brings clinical expertise in coordinating comprehensive, child-centered surgical care.

Brian C. Gulack, MD, a pediatric surgeon at Endeavor Health, provides surgical care for infants, children and adolescents with congenital, acute or chronic conditions. He works closely with families and pediatric care teams to deliver safe, effective treatment tailored to the unique needs of growing children.

Nathaniel C. Koo, MD, a pediatric surgeon at Endeavor Health, provides surgical care for infants, children and adolescents with congenital, traumatic or acquired conditions. He collaborates with pediatric care teams to deliver safe and effective treatment that supports each child’s recovery and development.

Mary Beth Madonna, MD, a pediatric surgery specialist at Endeavor Health, treats a wide range of congenital and acquired conditions in children. Her clinical expertise includes Hirschsprung’s disease, bowel management and anorectal malformations. Dr. Madonna works closely with patients and families to ensure compassionate, child-centered care in both surgical and nonsurgical treatment plans.