Dr. Anita Koszyk

Ryan Robetorye is a Hematologist in Phoenix, Arizona. Dr. Robetorye is rated as a Distinguished provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Acute Myelomonocytic Leukemia, Richter Syndrome, Chronic B-Cell Leukemia (CBCL), and Chronic Lymphocytic Leukemia (CLL).

Dr. Cherington joined Ironwood Cancer &  Research Centers in July 2016 after completing his fellowship in Hematology and Medical Oncology at the Mayo clinic.  An Arizona native, he earned undergraduate degrees in Biology and Spanish at Arizona State University prior to attending the University of Arizona for his medical doctorate.  Dr. Cherington has presented research at ASCO and ASH and authored several research articles. However, what he values most is receiving the Gold Humanism Award, which recognizes him as possessing the personal characteristics that colleagues themselves would look for in a physician for themselves or their family members. Early in his youth, Dr. Cherington developed a passion to fight cancer when a childhood friend was diagnosed with a rare brain tumor.  His friend's cancer was aggressive, and her life was ultimately lost, but her tumor cells were donated to research new therapies. Years later, Dr. Cherington spent time at Barrow Neurological Institute investigating cell lines that most likely included his friend's saved cells. The fire that was ignited as a child was further fueled when Dr. Cherington's step-sister lost her life to cancer as a young adult. Today, in each new patient, Dr. Cherington sees a friend or family member who deserves the utmost compassion and expertise that modern medicine has to offer.Outside of work, Dr. Cherington enjoys hiking, exploring Arizona, sports, and spending time with his three children, his dog, and his beautiful wife.  Together, they are passionate about continually moving toward adopting lifestyle factors to prevent or slow cancer.  Dr. Cherington promotes using healthful lifestyle changes in conjunction with the best cancer treatment modern medicine has to offer to continually work towards a cure. Dr. Cherington is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Oligodendroglioma, Astrocytoma, Gliosarcoma, and Ependymoma.

Dr. Roberts has been treating patients in Arizona for over 20 years and is board certified in medical oncology and hematology. Dr. Roberts is a member of the American College of Physicians, American Society of Internal Medicine, and American Society of Clinical Oncologists. He provides advanced high-quality compassionate cancer care in a community setting.  Dr. Roberts has a special interest in treating patients with lung, breast, colon, prostate, and hematologic malignancies. He is a member of the American College of Physicians, American Society of Internal Medicine, and American Society of Clinical Oncologists. Dr. Roberts has been recognized as a top doctor in PHOENIX magazine and a super doctor in Phoenix, and has been recognized by the Leukemia Lymphoma Society (LLS) and the American Society of Clinical Oncology (ASCO). He received a teaching excellence award from St. Joseph's hospital and has received numerous other nationally recognized physician awards. Dr. Roberts has extensive experience in research, serving as the principal investigator in more than 100 studies. He was a founding member of the Arizona Institute of Breast Health as well as the Center for Thoracic Disease.To help people achieve health for life. Dr. Roberts is rated as an Advanced provider by MediFind in the treatment of Vitamin D Deficiency. His top areas of expertise are Familial Colorectal Cancer, Familial Prostate Cancer, Follicular Lymphoma, and Paget Disease of the Breast.