Gregory Obara, MD

Medical Oncologist

Gregory Obara, MD

Gregory Obara, MD, is part of Comprehensive Cancer’s medical oncology team that provides world-class cancer care in a supportive and caring environment.

Fluent in Polish

Gregory Obara, MD, was born and raised in Poland. He completed his medical training at the Medical University of Gdańsk. Dr. Obara came to the United States in 1989 and attained a position as a postdoctoral associate in chemistry at Georgia State University. He completed an internship and residency at Lutheran Medical Center and a fellowship in hematology and oncology at Case Western Reserve University.

Treats all cancer and serious blood disorders with a special interest in head and neck cancer.

Dr. Obara is a medical oncologist at Comprehensive Cancer Centers where he treats patients with cancer and serious blood disorders. He has participated as an investigator for numerous clinical research studies through the US Oncology Research Network.

Prior to joining Comprehensive in 1999, Dr. Obara was a physician at the Cancer and Hematology Center of Nevada. Before moving to the United States, he served as a staff physician at a state hospital in Poland and in the Federal Republic of Germany. He has published two papers and is a member of various professional organizations.

Dr. Obara is the recipient of numerous awards and honors including America’s Most Honored Professionals from The American Registry, Five Star Physician award from CareDash as well as On-Time Physician, Compassionate Doctor and Patients’ Choice awards from

Dr. Obara is fluent in Polish.

American Society of Clinical Oncology
American Society of Hematology
Clark County Medical Society
Nevada Oncology Society
Nevada State Medical Association

Central Valley

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