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Holiday schedule

Our Patient Service Centers will be closed on Monday, May 27, 2024 for the Memorial Day holiday. Have a healthy, happy holiday.

M. Kruzel, MD

M. Kruzel, MD

Associate Medical Director of Oncology

Oncology, General Medicine


Mark Kruzel, MD, MBA; serves as Associate Medical Director in Oncology at Quest Advanced Diagnostics.


Dr. Kruzel’s role bridges the gap from assay development to clinical utility and he provides guidance on the appropriate utilization of testing. 


Dr. Kruzel has extensive research and industry experience ranging from managing an FDA trial site to commercializing a pharmaceutical compound for a start-up company.  He has published numerous peer-reviewed journal articles as well as presented abstracts at both local and national conferences.  Through his role at Quest, Dr. Kruzel has developed key opinion leader strategies which help Quest advance the field of precision medicine.  


Medical Affairs- Oncology, Health Plans, Health Systems


University of Dallas, BS Biology 1998 University of Texas McGovern School Of Medicine MD, 2007 Southern Methodist University Cox School of Business, MBA 2015