Amy Meyer, MD
Second Year Fellow
- Email: amymeyer@wustl.edu
Dr. Meyer is from St. Louis and grew up in Oakville, MO. She earned an B.S. in Biology with a minor in Music from Truman State University in 2014 and a M.S. in Microbiology and Immunology in 2016 from Tulane University in New Orleans. She completed medical school at the University of Missouri in 2020, followed by a four-year Internal Medicine/Research-Track residency at Tulane University in 2024. She loves to explore new restaurants and coffeeshops, especially if she can bring her dog Bennie.
Why did you choose WashU for your ID fellowship?
“I first worked in an infectious diseases lab at WashU in high school. It was a formative experience with a wonderful mentor. When choosing a fellowship, I was looking for strong research opportunities, diverse clinical training, and genuinely kind people. From my prior experience and interview day, it was clear WashU offered all of that — plus the chance to return to my hometown.”
Joshua Nordman, MD
Second Year Fellow
- Email: j.d.nordman@wustl.edu
Dr. Joshua Nordom obtained his medical degree from the University of Illinois College of Medicine at Chicago. He did his residency training at the Washington University School of Medicine, Barnes Jewish Hospital in St. Louis. Joshua’s hobbies include home projects, being good at gardening and bad at piano, and playing with my dog, Ollie.
Why did you choose WashU for your ID fellowship?
“I chose to stay at WashU for fellowship because I knew how wonderful and supportive everyone in the department was; I also had seen how well trained and kind the fellows were. I’m looking forward to learning a lot in fellowship and in the future working with underserved populations including PLWH.”
Christian Ratzlaff, DO
First Year Fellow
- Email: cratzlaff@wustl.edu
Dr. Ratzlaff grew up in Hillsboro, KS. He completed his BS in Medical Molecular Biology at Oral Roberts University in 2018 and Doctor of Osteopathic Medicine at Arkansas College of Osteopathic Medicine in 2022. He completed his Internal Medicine Residency at UAMS Northwest in 2025, where he was Chief Resident from 2024-2025. His areas of clinical interest include emerging pathogens, antimicrobial-resistant organisms, and infections in immunocompromised hosts, including invasive fungal infections. Outside of medicine, Dr. Ratzalff enjoys staying active, including long walks in Forest Park with his bernedoodle, Chip. He also likes trying new restaurants with his wife, finding the St. Louis food scene a very pleasant surprise.
Why did you choose WashU for your ID fellowship?
“I chose WashU for fellowship training because of its high clinical volume and complex patient population, which draws referrals from multiple surrounding states. I was also drawn to the strength of the program and department leadership, as well as the opportunity to learn from faculty who are leaders in their fields.”
Prashanth Reddy, MD, MPH
First Year Fellow
- Email: kpreddy@wustl.edu
Dr. Reddy grew up across several states in south India and calls the entire region his home. He completed his medical education at the Kasturba Medical College Mangalore of Manipal University, earning an MBBS in 2014. He then earned his MPH at the University of Edinburgh in 2020 before going on to complete his residency at Garden City Hospital through Michigan State University in 2025. His areas of interest include STIs, parasitology, HIV/AIDS and anti-microbial stewardship. On his day off, you can find him going for a run in Forest Park or hiking the Mural Mile.
Why did you choose WashU for your ID fellowship?
“WashU has one of the most robust Infectious Disease divisions in the country with global leaders across several domains of the specialty. The diversity and complexity of the patient profile encountered here, coupled with a rigorous and perfectly designed program, hones your skills and molds one to practice ID anywhere in the world.”
