Faculty by division
![Ana María Arbeláez, MD, MSCI](https://pediatrics.wustl.edu/app/uploads/2022/08/Ana-Maria-Arbelaez-280x386-1-280x386.jpeg)
Ana María Arbeláez, MD, MSCI
Professor of Pediatrics
Division Director, Endocrinology and Diabetes
David English Smith Professorship in Medicine
Director, Patient Oriented Research Unit
Co-Director, ICTS TL1 Predoctoral Clinical Research Program
- Phone: 314-454-6051
![Amy Armstrong, MD](https://pediatrics.wustl.edu/app/uploads/2022/08/Amy-Armstrong-280x386-1-280x386.jpeg)
Amy Armstrong, MD
Assistant Professor of Pediatrics (PEFA), Hematology & Oncology
- Phone: 314-454-6018
![Meredith Arra , MD](https://pediatrics.wustl.edu/app/uploads/2023/10/Arra-Meredith_Peds__08_1400x1930-280x386-1.png)
Meredith Arra , MD
Assistant Professor of Pediatrics (PEFA), Academic Pediatrics General Academic Pediatrics, Complex Care
- Phone: 314-454-6300
![Adrienne D. Atzemis, MD](https://pediatrics.wustl.edu/app/uploads/2022/08/Atzemis-Adrienne_Peds_300-280x386-1-280x386.jpeg)
Adrienne D. Atzemis, MD
Professor of Pediatrics, Emergency Medicine, Child Abuse Pediatrics
Program Director, Child Abuse Pediatrics Fellowship
Section Chief, Child Abuse Pediatrics
- Phone: 314-454-2341
![Dustin Baldridge, MD, PhD](https://pediatrics.wustl.edu/app/uploads/2022/08/D.-Baldridge-280x386.jpg)
Dustin Baldridge, MD, PhD
Assistant Professor of Pediatrics, Genetics and Genomic Medicine
- Phone: 314-454-6093
![David T. Balzer, MD, FSCAI FPICS](https://pediatrics.wustl.edu/app/uploads/2022/08/David-Balzer-280x386-1-280x386.jpeg)
David T. Balzer, MD, FSCAI FPICS
Professor of Pediatrics, Cardiology
Director, Cardiac Catheterization Laboratory
- Phone: 314-454-6095
![David Bark, PhD](https://pediatrics.wustl.edu/app/uploads/2022/08/Bark_David-280x386.jpeg)