Advanced Practice Professionals


These are the Physician Assistants (PAs) and Certified Registered Nurse Practitioners (CRNPs) of AMS Cardiology.

Rhiannon Whyte, CRNP

Rhiannon Whyte, CRNP joined AMS Cardiology in October 2021.  She completed her undergraduate education at Grand Canyon University and received her Master's degree from Widener University in 2021.  Prior to coming to AMS, Rhiannon spent 6 years as a Registered Nurse.  She has experience in general medicine, emergency medicine, and has spent the last 3 years at Abington Jefferson Hospital's cardiac intensive care unit.  Rhiannon uses her well-rounded medical experience to provide a full-picture approach to patient care.

Seamus Winters, PA-C

Seamus Winters, PA-C is originally from Philadelphia, PA. He attended an accelerated Physician Assistant program at Lock Haven University of Pennsylvania where he received a Master’s degree in Health Science in 2019. He joined AMS Cardiology in 2021. In his spare time, Seamus enjoys following sports, golfing, and spending time with family.