Pediatric Infectious Diseases Current Fellows and Alumni

1st Year Fellows

  • Rachel Alexander, DO

    1st Year Fellow
    Pediatric Infectious Diseases

    Undergraduate: Calvin University, Grand Rapids, MI
    Medical School: Michigan State University College of Osteopathic Medicine, East Lansing, MI
    Residency: Advocate Children's Hospital, Oak Lawn, IL

  • Nicholas Obremskey, MD

    1st Year Fellow
    Pediatric Infectious Diseases

    Undergraduate: University of South Carolina Columbia
    Medical School: University of South Carolina School of Medicine Greenville
    Residency: University of Alabama at Birmingham

2nd Year Fellows

3rd Year Fellows

  • Adam Gailani, MD

    3rd Year Fellow
    Pediatric Infectious Diseases

    Undergraduate: University of Wisconsin - Madison
    Medical School: University of Tennessee Health Science Center College of Medicine
    Residency: Cincinnati Children's Hospital Medical Center

  • Kimberly Chidubem Okafor, MD

    3rd Year Fellow
    Pediatric Infectious Diseases

    Undergraduate: James Madison University
    Medical School: University of Louisville School of Medicine
    Residency: Internal Medicine-Pediatrics Residency Prisma Health-Upstate/USC Greenville

Pediatric Infectious Diseases Fellowship Alumni (2021-2025)

2025

  • Natalya Beneschott, MD - Assistant Professor of Pediatrics, Pediatric Infectious Diseases, Vanderbilt University Medical Center/Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN
  • Matthew Peworchik, MD - Postdoctoral Research Fellow, Pediatric Infectious Diseases, Vanderbilt University Medical Center/Monroe Carell Jr. Children's Hospital at Vanderbilt, Nashville, TN

2024

  • Cara Charnogursky, MD, MPH – Assistant Professor and Director of Infection Prevention, Vanderbilt University Medical Center
  • Brittany Lehrer, MD, MPH – Assistant Professor and Director of the Pediatric Antimicrobial Stewardship Program, University of Wisconsin School of Medicine and Public Health, Madison, WI

2023

  • Margaret Free, MD – Assistant Professor, Pediatric Infectious Diseases, Sanford USD Medical Center & Hospital, Sioux Falls, SD
  • Hope Hendricks, MD – Assistant Professor & Associate Director, Pediatric Transplant/Immunocompromised, Duke University, Raleigh, NC

2022

  • Stephanie Rolsma, MD, PhD – Assistant Professor, Vanderbilt University Medical Center
  • Kaitlin Williamson, MD – Pediatric Infectious Diseases Physician, Cook Children’s, Fort Worth, TX

2021

  • Hillary Spencer, MD, MPH – Infection Prevention Medical Advisor at Illinois Department of Public Health and Lead of Regional Infection Prevention Program, Springfield, IL
  • Ricardo Castillo-Galvan, MD, MPH – Medical Director, Medical Affairs, Karius/Attending, Advent Health, Winter Garden, FL