Greg Penilla, MD, is an internal medicine physician. He graduated medical school from the University of Santo Tomas and completed his residency at Saint Louis University. Dr. Penilla has been practicing medicine over 30 years and cares for patients 18 years of age and older. Dr. Penilla has clinical interests in preventive medicine and was awarded recognition from the National Committee for Quality Assurance (NCQA) Diabetes Physician Recognition Program for meeting national standards for diabetes care.