Thomas Semrad, M.D.

Thomas J. Semrad, M.D.



Gastrointestinal Cancers

Hematology Oncology

Internal Medicine



Internal Medicine


  • Assistant Professor
  • Co-Director, Phase I Program
  • Co-Leader of the Comparative Oncology Program, Comprehensive Cancer Center
To see if Thomas J. Semrad is accepting new patients, or for assistance finding a UC Davis doctor, please call 800-2-UCDAVIS (800-282-3284).

UC Davis Comprehensive Cancer Center

2279 45th Street
Sacramento, CA 95817
Driving Directions

Primary Phone:

Additional Phone Numbers

Physician Referrals: 800-362-5566

Clinical Interests

Dr. Semrad is a board certified medical oncologist who specializes in the management of colorectal, pancreatic, hepatobiliary, gastroesophageal, neuroendocrine and thyroid malignancies.  He is the chair of the UC Davis Comprehensive Cancer Center Gastrointestinal Malignancy clinical innovation group and co-leader of the phase I program.  As the principal investigator of multiple clinical trials across the spectrum of drug development, he is actively involved in the search for better cancer treatments from discovery to validation.  Dr. Semrad’s research focuses on predictive biomarker development in gastrointestinal and endocrine malignancies, with special focus on drug and biomarker co-development.  


Hematology and Oncology

Center/Program Affiliation

UC Davis Comprehensive Cancer Center


M.D., Rush University Medical Center, Chicago, Illinois, 2004

M.A.S., UC Davis, Davis, California, 2010

B.S., UC Davis, Davis, California, 2000


UC Davis, Sacramento, California, 2005-2007


UC Davis, Sacramento, California, 2007-2010

Board Certifications

American Board of Internal Medicine, 2007

Professional Memberships

Alpha Omega Alpha

American Society of Clinical Oncology

American Society of Hematology

Honors and Awards

Herrick Award for Internal Medicine at Rush University, 2004

Alpha Omega Alpha, 2003

Dean?s Research Fellowship at Rush University, 2001

Phi Beta Kappa Society, 1999

President?s Undergraduate Fellowship, 1999

Phi Sigma Society, 1998

Golden Key National Honor Society, 1997

Regents' Scholarship, University of California, Davis, 1996

Select Recent Publications

For a comprehensive list of Dr. Semrad's publications, please click here (opens new window).