Nurse Practitioner

Nurse Practitioner

Arizona Heart Rhythm Center's Nurse Practitioner and our Director of Nursing.


Hannah Burton

Hannah BurtonClinical Research Coordinator

Hannah is one of Arizona Heart Rhythm Center's Research Coordinators. Hannah earned her bachelor's degree in Physiology from the University of Arizona. Hannah coordinates many of our cardiac rhythm device trials. She enjoys hiking and dance.

Cardiac Technicians

Angel Grijalva

Angel GrijalvaUltrasound Technician

Angel is AZ Heart Rhythm Center's Echo Sonographer.

Shirley Khun

Shirley KhunDevice Technician

Shirley is AZ Heart Rhythm's Cardiac Device Technician.

Medical Assistants

Audrey Gadaree

Audrey GadareeMedical Assistant

Audrey graduated from Pima Medical Institute with a Medical Assistant Certification. She works in both our front and back office greeting patients, answering phone calls, preparing medical records, prescription refills, setting up monitors and performing EKGs.

Clinical Coordinators


CurtisClinical Coordinator

Katherine LeFiles

Katherine LeFilesClinical Coordinator


Amy Menendez

Amy MenendezFront Office Coordinator / Medical Assistant

Amy is AZ Heart Rhythm Center's Front Office Coordinator and Medical Assistant.

Information Technology

Parris Rambaille

Parris RambailleIT Specialist

Parris is our Information Specialist and Property Manager. He takes care of all of the equipment in the office and ensures the clinics function at their best.


Allyson Estes

Allyson EstesAssistant Clinical Director

Allyson Estes is our Assistant Clinical Director and a trained Radiology Technician.

Vera Aguayo

Vera AguayoPractice Manager

Sophie Raymond

Sophie RaymondDirector of Strategic Operations

Sophie is Arizona Heart Rhythm Center's Clinical Research Manager and Director of Strategic Operations. She earned her master's degree in Biomedical Diagnostics from Arizona State University.