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To contact our Office, please call (678) 208-0165 or fax (888) 814-0852

Narendra Singh

Director- Clinical Research,
NSC Research

Dr. Singh is a Fellow of the Royal College of Physicians and Surgeons of Canada (FRCPC), the Canadian Cardiovascular Society (FCCS), the American College of Cardiology (FACC), and the American Heart Association (FAHA). Dr. Singh has been a site investigator in over 125 national and international trials. He actively designs and conducts independent research. He has published extensively on topics ranging from acute coronary syndromes, health outcomes following treatment, disparities in access to care, and South Asian heart disease.

Taylor Mabe

NSC Cardiology


Crystal Richards

Practice Administrator
NSC Cardiology

Crystal Richards is the Practice Administrator for NSC Cardiology. Additionally, she provides Administration, Budget, and Contract support for NSC Research.

 She has a great love for the medical field having worked in Assisted Living for several years. She furthered her career in Country Club / Spa Director positions working alongside the Palm Beach elite at the prestigious Mar-A-Lago Club for over a decade.  In 2014 Crystal moved to Georgia and joined Dr Singh’s practice.

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Our Front Office Specialists

Katie Figueroa

 Front Office Coordinator

Vanessa Navarro

 Administrative Assistant

Front Office Coordinator

Dr Singh’s Medical Assistants

Andy Nguyen

Medical Assistant

Amun Majeed

Medical Assistant

Rhea Merchant

Medical Assistant

Our Testing Team

Taylor Dean

Stress Tech

Lynae Dao

Operations Manager

Nuclear Tech

Romina Chevallet

Echo Tech

Johns Creek, GA Research Site

Marisol Ramos MBA,CRC

MBA, Clinical Research Coordinator NSC Research

Juli Zabala CRC

Clinical Research Coordinator, Medical Assistant NSC Research