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David Lewis Geffner, MD

Clinical Professor
UCLA School of Medicine

Medical Board of California


Dr. David Geffner currently teaches and practices at UCLA School of Medicine and UCLA Health. Dr. Geffner is a Member of the Committee on Scientific Integrity at UCLA and the Co-Chair for the Thyroid Disorders Educational Initiative. In addition to serving on several editorial advisory boards and review panels, he lectures nationally and has co-authored and authored many publications in his field. He is the previous President of the Los Angeles County Chapter of the American Diabetes Association and a past JACO surveyor for the California Department of Health Services and Institute for Medical Quality. Dr. Geffner currently shares his vast expertise as a consultant to several groups, including the Medical Board of California, Medicare, the Center for Health Dispute Resolution, the American College of Medical Quality, and the Rand Corporation.

Education & Training

Medical School: Georgetown University

Residency: Cornell Cooperating Hospitals

Fellowship: New York Hospital - Cornell University Medical Center in Medicine/Endocrinology

Fellowship: VA Greater Los Angeles Healthcare System in Internal Medicine

Board Certification: Endocrinology, Diabetes & Metabolism, Internal Medicine