Meet The Team

Joe Mayer, Physician Assistant

Joe was born and raised in Queens, New York and graduated from Queens College with his Bachelor of Science in Fitness, Nutrition & Exercise Science. During college, he competed on the Cross Country, Track & Field team. After graduation, he worked as an Emergency Medical Technician (EMT) in Brooklyn for two years.  He subsequently attended Johnson & Wales University and graduated with a Master of Science in Physician Assistant Studies. Prior to starting his position with Dr. Marx,  Joe worked at HSS as part of the overnight Physician Assistant team caring for post-operative patients in the Hospital.

Sarah Bunnell, Practice Manager

Sarah was born and raised in Pennsylvania and obtained her Bachelor’s Degree in Biobehavior and Health from Pennsylvania State University. Shortly after graduation Sarah made her way to New York City to work in healthcare administration. She was previously our Surgical Coordinator and now oversees all areas of the practice.

Chiffon Roberts, Surgical Coordinator

Chiffon was born and raised in New York City. She received her education at City-as-School in Lower Manhattan and has certifications in Medical Billing and Coding and Medical Administration from the National Healthcare Association (NHA). She has previously worked in radiology, dermatology and gastroenterology practices in New York. Chiffon is our surgical coordinator and organizes all aspects of pre and post-operative care.

Andrew Diaz, Medical Secretary

Andrew was born and raised in Queens, New York.  He has completed several certifications in the healthcare industry including phlebotomy. Andrew worked previously as a Patient Access Specialist at HSS.  He is fluent in Spanish and assists with translation, as needed, for our patients.

Victoria Cummings, Medical Secretary

Victoria was born and raised in Kingston, Jamaica. She received her Bachelor's of Arts in Psychology at Ithaca College. She has previously volunteered as a research assistant at Columbia University and has also worked as a medical scribe for CityMD.

William Elnemer, Research Assistant 

William is originally from Lebanon and moved with his family to Shrewsbury, Massachusetts when he was in grade school. He graduated from Brown University, where he received a degree in Applied Mathematics and Biology and worked as an EMT. William assists with Dr. Marx's research and academic work, and also with patient care as needed.