Staff
To contact our Office, please call (678) 208-0165 or fax (470) 695-7565

Narendra Singh
MD, FRCPC, FACC, FAHA, FCSS, NSC Cardiology
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.

Caroline Busbee
PA-C
NSC Cardiology
Caroline Busbee is a NCCPA board certified physician assistant and a member of the American Academy of Physician Assistants and Association of Physician Assistants in Cardiology. She is an Athens, GA native who graduated from the University of Georgia in 2016 with a Bachelor of Science in Health Promotion before moving to Atlanta, where she received her Masters of Physician Assistant Studies from Mercer University in 2020.

Crystal Richards
Practice Administrator
NSC Cardiology
Our Front Office Specialists
Katie Figueroa
Senior Front Office Coordinator
Sobrena Robinson
Front Office Coordinator
Dr Singh’s Medical Assistants

Andy Nguyen
Medical Assistant
Amun Majeed
Medical Assistant
Shahzeb Abbas
Medical Assistant
Our Testing Team
Taylor Dean
Stress Tech
Kevin Irwin
Nuclear Tech
Romina Chevallet
Echo Tech
Johns Creek, GA Research Site
Marisol Ramos MBA,CRC
MBA, Clinical Research Coordinator NSC Research
