Dr. Ross A. Pirkle is an internist in Walnut Creek, California and is affiliated with John Muir Health-Walnut Creek Medical Center. He received his medical degree from University of California (San Francisco) School of Medicine and has been in practice for more than 20 years. Dr. Ross A. Pirkle has expertise in treating kidney disease, hypertension & high blood pressure, diabetes, among other conditions - see all areas of expertise. Dr. Ross A. Pirkle accepts Medicare, Humana, Blue Cross - see other insurance plans accepted.