Dr. Geller is a  board-certified Internist and Endocrinologist, specializing in the diagnosis and treatment of complex metabolic disorders.   Dr.Geller received his medical degree from the University of Southern California and completed post-doctoral training at Cedars-Sinai Medical Center in Los Angeles, California.

In addition to a fulltime medical practice, Dr. Geller is the Clinical Chief of the Division of Endocrinology, Diabetes and Metabolism at Cedars-Sinai Medical Center, and an instructor at the UCLA School of Medicine.  He has authored numerous publications in the field of Endocrinology and Metabolism.