Our Team

At Texas Children’s, our team offers compassionate care in a setting created especially for children, from newborns to young adults. Our team of expert physicians uses the latest diagnostic and therapeutic techniques to evaluate and treat patients for common to rare infections.

Chief of Service

Dr. Kaplan's research focuses on infections in children caused by Streptococcus pneumoniaeand Staphylococcus aureus including evaluating new antibiotics for children with infections caused by antibiotic resistant bacteria.

Address: 1102 Bates FC 1150 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330

Clinic Chief

Dr. Palazzi is Medical Director of the Antimicrobial Stewardship Program at Texas Children’s Hospital and a member the of Pediatric Infectious Diseases Society’s Education Subcommittee of the Pediatric Committee on Antimicrobial Stewardship. In addition, she participates in the SHARPS (SHaring... Read more

Address: 1102 Bates Ave. Suite 1120 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330

Clinic Physicians

Dr. Hatzenbuehler has a clinical interest in the prevention and management of pediatric Tuberculosis (TB) and Non-Tuberculous Mycobacterial (NTM) infections. Her most substantial research contribution was to implement a TB education, screening, evaluation and treatment program in two HISD high... Read more

Address: 1102 Bates Avenue FC 1150 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4324
Dr. Campbell is a Clinician-Educator in the Section of Infectious Disease at Texas Children's Hospital and Baylor College of Medicine. She provides care for infants, children and adolescents with a variety of infectious diseases and teaches the full spectrum of learners from medical students to... Read more

Address: 1102 Bates Suite 1120 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
Dr. Cruz completed fellowships in pediatric emergency medicine and pediatric infectious diseases, as well as an MPH in epidemiology with a focus on global health at the University of Texas School of Public Health. She is research chief for pediatric emergency medicine (PEM), focusing on advancing... Read more

Address: 6621 Fannin Street A2210 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-5497
Dr. Demmler-Harrison focuses her research on medically important viral infections of the fetus, newborn, infant, and child, especially cytomegalovirus or CMV. She continues to conduct a prospective multidisciplinary study of the long-term effects of congenital cytomegalovirus (CMV) infection on... Read more


Phone: 832-824-4330
My goal is to provide holistic and quality care to children, and be an ardent advocate for their physical and mental well-being as it relates to infectious diseases. I understand how stressful a child’s illness can be, hence listening to the family and the patient is key followed by a scientific... Read more

Address: Texas Children's Hospital - The Woodlands 17580 I-45 South, 5th Floor, Orange Pod Houston, TX 77384 United States See map: Google Maps Texas , Address: Texas Children's Hospital - Main Campus 1102 Bates Street, Suite 1150 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 967-267-7123
I am committed to providing excellent and compassionate care for children and to communicating effectively with patients and their parents. Clinical Interests: Inpatient and outpatient care for children with proven or suspected infectious diseases. Research Interests: Bacterial infections in the... Read more

Address: 1102 Bates St. Suite 1120 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
Dr. Foster is a pediatrician who specializes in the care of children with infectious diseases. She cares for patients with a wide variety of diseases in both the inpatient and outpatient setting. She is a clinician-educator and enjoys teaching medical students, residents, and fellows. She is also... Read more

Address: 6701 Fannin Street Wallace Tower, 16th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
Dr. Healy is interested in the clinical practice of pediatric infectious diseases. She is also interested in preventing infections through immunization of all age groups. She is investigating the challenges in preventing severe pertussis in infants. She is examining the challenges in implementing... Read more

Address: 1102 Bates St. #1120 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
Dr. Holzmann-Pazgal is focused on high quality, patient-centered care.  She is an advocate for patient safety and has interest and expertise in infection prevention and control. She provides care for children with infectious diseases in the inpatient and outpatient setting at TCH West Campus.... Read more

Address: 18200 Katy Freeway Houston, TX 77094 United States See map: Google Maps Texas
Phone: 832-824-4330
Future advances in the field of infectious diseases will be based on an improved understanding of host-pathogen interactions. The host immune system can be viewed as a product of hematopoietic stem cells that reside in the bone marrow. My research is focused on how the composition of the immune... Read more

Address: 1102 Bates St. Suite 1150 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
Dr. Marquez cares for children with a range of infectious diseases both in the inpatient and outpatient setting. She is currently the Associate Medical Director for Infection Control and Prevention at Texas Children’s Hospital and in this role addresses issues such as catheter-associated... Read more

Address: 1102 Bates Avenue, Suite 1150 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
To provide the most evidence-based medical care while balancing the psychosocial needs of the child and family. Clinical Interests: I care for a wide range of children, both healthy and medically complex, with the spectrum of infectious diseases problems in both an inpatient and outpatient setting... Read more


Phone: 832-824-4330



Phone: 832-824-4330



Phone: 832-824-4330
Dr. Palazzi is Medical Director of the Antimicrobial Stewardship Program at Texas Children’s Hospital and a member the of Pediatric Infectious Diseases Society’s Education Subcommittee of the Pediatric Committee on Antimicrobial Stewardship. In addition, she participates in the SHARPS (SHaring... Read more

Address: 1102 Bates Ave. Suite 1120 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
I currently do not actively provide medical care to children. All my time is devoted to research, in particular, in the area of translational research in respiratory viruses. Clinical Interests: Pediatric infectious diseases Research Interests: I am a pediatric infectious disease specialist and... Read more

Address: Dept. Molecular Virology & Microbiology MS BCM 280, One Baylor Plaza Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330 | 713-798-5240
Dr. Starke is an internationally recognized expert in the management of childhood tuberculosis and mycobacteria infections. He has served as the Director of the Children's Tuberculosis Clinic for almost 30 years. He has participated in the writing of numerous clinical guidelines for the City of... Read more

Address: 6621 Fannin MC 3-2371 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330
Dr. Vallejo is a member of the Section of Infectious Disease at Texas Children's Hospital and Baylor College of Medicine. He provides care for infants, children and adolescents with a variety of infectious diseases and teaches the full spectrum of learners from medical students to fellows as well... Read more

Address: 6621 Fannin MC FC 430.09 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-824-4330

Physician Assistant

Clinical Interests: Evaluation and treatment of childhood tuberculosis. Research Interests: Evaluation and treatment of childhood tuberculosis

Address: 6701 Fannin Street 16th Floor Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-1620

Practice Administrator



Address: 6701 Fannin Street CCC1550.05 Houston, TX 77030 United States See map: Google Maps Texas
Phone: 832-822-4265