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Clark S. Jean, MD, graduated from Cornell University with honors and pursued his medical studies at Tufts University School of Medicine. He completed his internship in internal medicine at the University of Michigan, and his residency at the Yale New Haven Hospital. Dr. Jean completed his hematology/oncology training at UCLA Health in San Fernando Valley.


Treats all cancer types with a special interest in lung cancers and geriatric oncology.


Dr. Jean is a medical oncologist and hematologist at Comprehensive Cancer Centers where he treats patients with cancer and serious blood disorders. Dr. Jean is the medical director of Comprehensive’s treatment center in Northwest Las Vegas and the current hematology and oncology division chair at MountainView Hospital. He previously served as board member and chairperson for the pharmacy & therapeutic committee at Comprehensive and former oncology chair at Summerlin Hospital Medical Center.


For his contributions to the medical community and commitment to patient care, Dr. Jean has been honored as Medical Marvel by Nevada Business Magazine, Top Doctor by Castle Connolly, VEGAS INC Health Care Quarterly, Desert Companion and Vegas Seven. 

He has been recognized among America’s Most Honored Professionals by The American Registry and has received the On-Time Physician, Compassionate Doctor, Top 10 Doctor and Patients’ Choice awards from


A native New Yorker, Dr. Jean enjoys hiking, running, tennis, coin collecting and attending cultural events.




Contact Info:

7445 Peak Drive
Las Vegas, Nevada 89128




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Dr. Clark S. Jean - America's Top 50 Doctors - Oncologist - Nevada

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