Mary Clay Federspiel, MSN, CPNP-PC
Advanced Practice Provider
Genetics & Metabolism
Mary Clay Federspiel, MSN, CPNP-PC, joined the Muenzer MPS center in the Pediatric division of Genetics & Metabolism as an Advanced Practice Practitioner on December 15, 2025. Ms. Federspiel completed a Bachelor of Science at William & Mary in 2006 and a BSN at the University of North Carolina at Chapel Hill in 2008. She earned her Master of Science in Nursing from the University of North Carolina at Chapel Hill in May of 2012. Most recently, she has been working with the Child Neurology team.
In her new role, Ms. Federspiel will be working with Drs. Jalazo and Muenzer on clinical trials developing new therapies for patients with Angelman syndrome and mucopolysaccharidoses as well as other metabolic/genetic disorders. Welcome!