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Tim Grennan, MD


Oncology, North Valley


From his continuing medical oncology work, to his award-winning career as a Clinical Professor of Internal Medicine, Tim Grennan, MD, is a model of dedication, hard work and service.

Recognized for his outstanding achievements as a medical educator by the UC Davis School of Medicine and as a clinician by TPMG, Dr. Grennan is also making a difference through his long association with the award-winning Kaiser Permanente Oncology Clinical Trials (KPOCT) program.

Since the program’s inception over 15 years ago, KPOCT has administered 264 clinical trials, involving more than 3700 patients, and recently received the American Society of Clinical Oncology’s Clinical Trials Award in recognition of its dedication to the advancement of cancer treatment.

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