Dr. Warren was born in Amarillo and graduated from Tascosa High School in 1962. He is a member of the Potter Randall Medical Society, the Texas Medical Association and the American Medical Association.

Dr. Warren attended medical school in California at the University of California at Irvine.. Dr. Warren completed a residency in Internal Medicine at Long Beach Veterans Hospital and a Cardiology Fellowship in 1975. Dr. Warren practiced cardiology in Orange County until he moved to Amarillo in July 2005. Dr. Warren has served as Chief of Staff of The Medical Center of Garden Grove and held Medical Staff appointments at St. Joseph’s Hospital of Orange County and Western Medical Center of Santa Ana. Dr. Warren was in private practice in Orange County from 1975 until he joined Amarillo Heart Group.

Dr. Warren is an Invasive cardiologist. His practice includes:

Consultative Cardiology

Right and Left Heart Catheterization and Coronary Angiography

Intra-aortic Balloon Pump Insertion

Swan-Ganz Insertion

Temporary Pacemaker Insertion

Stress Echo

Echocardiogram and Doppler Interpretation

Hotter Monitor Interpretation