Cardiology

Yenhui Huang, MD (Dr. Bob)

~Cardiology~   Yenhui Huang, MD, (aka Dr. Bob) is board-certified in Internal Medicine, Cardiology, Echocardiography and Nuclear Cardiology. He graduated from University of Witwatersr and in Johannesburg, South Africa and completed his internship, residency and fellowship through the University of Arizona in Tucson, Arizona. “Dr. Bob” has always beenfascinated with… Read More »


Gretchen Schaber, N.P.

~ Cardiology ~ Gretchen Schaber is a Certified Geriatric and Adult Nurse Practitioner specializing in Cardiology. She received her Bachelor’s in Nursing from East Carolina University and her Master’s in Nursing from the University of Arizona. Gretchen Schaber has been a nurse since 1976, and practiced in Cardiology since 1986.… Read More »


Brian Fuller, D.O., FACOI

~ Cardiology ~ Brian Fuller, D.O., FACOI is an Interventional Cardiologist. He is board-certified in Internal Medicine, Adult Cardiology and Nuclear Cardiology. He graduated from Kirksville College of Osteopathic Medicine in Kirksville, Missouri. He completed his internship and residency through Midwestern University at Tucson General Hospital in Tucson, Arizona. He… Read More »