John A Tayek MS, MD, FACP, FACN

Dr. Tayek currently a full time Professor of Medicine at Harbor-UCLA Medical Center and he serves as the Medical Director of Nutrition Day in the USA. He received a Bachelors of Arts Degree from California State University at Fullerton.  He received his Masters of Science Degree from Columbia University where he was active in screening physicians for hypercholesterolemia and their risk for heart disease.  He received his medical degree from Wayne State University in Detroit Michigan.  After an Internal Medicine residency at UCI Medical Center, he received his Clinical Nutrition Fellowship training at New England Deaconess Hospital and Harvard Medical School.  He completed a second fellowship in Endocrinology and Metabolism at Harbor-UCLA Medical Center.  Dr. Tayek is board certified in Internal Medicine, Endocrinology and Metabolism and in Clinical Nutrition.  Dr. Tayek is a full time faculty member at the David Geffen School of Medicine at UCLA.  As a full time faculty in the Division of Internal Medicine at the Harbor-UCLA Medical Center, he teaches Nurse Practioners, Medical Students, Residents, Endocrinology Fellows and Junior Faculty.   

As a Professor of Medicine-In Residence, he enjoys teaching and interacting closely with the Internal Medicine Residents and the Endocrinology Fellows in training at Harbor-UCLA. Dr. Tayek attends Inpatient Internal Medicine Service, Inpatient Endocrinology Consultation Service and maintains an active Internal Medicine and Endocrinology clinical practice within the managed care community at Harbor-UCLA Medical Center.  His clinical interests include Normal and Abnormal Liver Physiology, Diabetes, Hyperlipidemia , Clinical Nutrition, Sepsis and many others areas of Endocrinology.  He was been a Principle Investigator on an NIH study of patients with alcoholic hepatitis and cirrhosis (2005-8) and is currently a principle site Investigator on a NIH grant about alcoholic hepatitis.  He is also doing a nutritional interventional study with placebo and treated patients with End Stage Renal Failure.  His also studying the effects of fish oil treatment on progression of coronary disease in collaboration with Mathew Budoff MD. He is also done research in the field of diabetes mellitus, cardiovascular diseases and renal failure.  His earlier NIH funded research also included development of equations to make accurate measurements of liver glucose and amino acid metabolism (NIH K08) in normal humans, diabetics and patients with systemic diseases. 

He has published over 55 peer reviewed research article with a focus on liver physiology. He has also published several chapters, and presented over 100 abstracts at national meetings.  His interests are in the area of normal and abnormal liver physiology, diabetes and clinical nutrition.