Dr. Pietras earned a BA degree in Biology at Clark University (Worcester, MA). Later, he undertook postgraduate studies at the University of Pennsylvania and the University of California at Los Angeles (UCLA). He earned a Ph.D. degree in Endocrine Physiology and an M.D. degree at UCLA. His post-graduate residency training in Internal Medicine and fellowship training in Hematology-Oncology were completed at the UCLA Medical Center. Dr. Pietras is a licensed physician in the State of California, and he earned Board Certification in Internal Medicine and Medical Oncology from the American Board of Internal Medicine.