Who is our supporting staff?

Meet the team members that run our main office in Greenbelt, Maryland. Our administrative staff is kind and conscientious. They know our dietitians inside-out and do an amazing job of matching your nutritional needs with the dietitian who will be able to help you best!

Karen Perdomo

Karen is currently the billing manager for Rebecca Bitzer and Associates. She is a graduate of Towson University with a degree in business accounting. She previously was a receptionist for 5 years up until the doctor retired. Outside of work she enjoys looking for new comics to read online, spending time with her family, and going out to eat with her friends. She also speaks Spanish.
sydney headshot

Sierra Walker-Swann

Sierra is a receptionist for Rebecca Bitzer and Associates. She has been in customer service for almost 7 years which includes experience in a patient call center as well as being a medical receptionist. She is very passionate about customer service and wishes to further expand her knowledge and skills in healthcare. Outside of work, she enjoys going for walks, reading, and doing hair in her free time. 
Cierra Receptionist at RBA

Cierra Johnson

Cierra Johnson is a receptionist for Rebecca Bitzer and Associates. She has been in the medical field for 12 years in bedside nursing and is excited to join the administration side of healthcare. Cierra Johnson is passionate about customer service and ensuring patients have a wonderful experience with our company. Outside of work, her hobby consists of traveling with her daughters and enjoying new restaurants.

Jordan Receptionist at RBA

Jordan Bailey

Jordan is the newest member to our administrative staff team. She will be answering client phone calls and responding to any email questions our clients have. Jordan’s goal has always been to help others and create a nonjudgmental and welcoming environment. Jordan is aware that there are times when speaking with others can be challenging and even nerve-wracking, that’s why as the first point of contact for our office Jordan strives to be welcoming and understanding when engaging with our clients.

Our supporting staff can help you with the following:

Ready to make an appointment with a registered dietitian nutritionist?