Dr. Kalmadi joined Ironwood Cancer and Research Centers in 2008 and serves as Chief Medical Officer.  After finishing his medical schooling in India, Dr. Sujith Kalmadi completed his residency training and fellowship at the Cleveland Clinic in Cleveland, Ohio. He then served as academic clinical faculty at the Cleveland Clinic School of Medicine (Lerner School) in Cleveland, Ohio and subsequently at Baylor College of Medicine in Houston, Texas. During his tenure at these prestigious institutions, he pioneered several novel clinical research trials which have been lauded at national scientific meetings and published in peer reviewed journals. His areas of clinical and research interests include several solid tumors and hematological disorders. He currently resides in Chandler with his wife and three children, and enjoys tennis, chess and racquetball during his spare time. He is board certified in Internal Medicine, Hematology and Medical Oncology. Dr. Kalmadi is rated as a Distinguished provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Lung Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Severe Congenital Neutropenia.

As an internist and primary care physician ,I believe in prevention as the best way to live healthy long life. Dr. Alsheikh is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Type 2 Diabetes (T2D), Maturity Onset Diabetes of the Young, Hypothyroidism, and Obesity in Children.

Dr. Kellogg has practiced with Ironwood Cancer & Research Centers as a partner since 1995. He is a graduate of Wayne State University School of Medicine and completed his residency and fellowship at Wayne State University Affiliated Hospitals. Prior to joining ICRC Dr. Kellogg was an Assistant Professor of Medicine at Wayne State University and the Detroit Medical Center working on the breast cancer service. While at the university, in addition to treating patients Dr. Kellogg was involved in conducting multiple clinical research studies. Dr. Kellogg was also Chief Medical Resident at Detroit Receiving Hospital. Dr Kellogg has been recognized by Phoenix Magazine as Top Doc. Dr. Kellogg is Board Certified in Internal Medicine with Specialty Board Certifications in Medical Oncology and Hematology and maintains an active practice concentrating on all types of adult cancers and blood disorders. Dr. Kellogg is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Breast Cancer, B-Cell Lymphoma, Paget Disease of the Breast, and Schnitzler Syndrome.

Joining Ironwood Cancer & Research Centers in 2004, Dr. Shtivelband received his medical degree and PhD in Experimental Hematology in Russia. After Internal Medicine Residency, Dr. Shtivelband received fellowship training in Hematology and Medical Oncology at MD Anderson Cancer Center in Houston, where he stayed for an additional year to participate in experimental research. Treating patients with all kinds of malignancies and benign hematological problems, Dr. Shtivelband has particular interest in developing research programs to bring the newest advances in the field of Oncology and Hematology to our community. Dr. Shtivelband also heads the Ironwood Cancer & Research Center's research program. He is Board Certified in Internal Medicine, Hematology and Medical Oncology. Dr. Shtivelband is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Hemochromatosis, Non-Small Cell Lung Cancer (NSCLC), Plasmacytoma, and Lung Cancer.

Dr. Woo has practiced Radiation Oncology since the late 90's. He joined ICRC in 2005 after practicing in Chandler for five years and Sun City for three. Dr. Woo completed his medical training at Northwestern University School of Medicine in Chicago, IL. Following his internship at Tucson Hospital's Medicine Education Program, Dr. Woo finished his Radiation Oncology Residency Program at the University of Arizona, Tucson. During that time, he performed extensive laboratory research in prostate cancer. He is Board Certified in Radiation Oncology. As with our other doctors, Dr. Woo's priority is to maximize the benefits of cancer therapy by using the latest treatment approaches, while minimizing the side effects through the use of technology. Dr. Woo is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Pleuropulmonary Blastoma, Breast Cancer, Astrocytoma, and Oligodendroglioma.

Dr. Tsai has been practicing in Arizona since 2007 and joined Ironwood Cancer& Research Centers in 2010. She earned her MD at the University of Chicago Pritzker School of Medicine and completed an internship at MacNeal Hospital in Berwyn, Illinois. She then completed her residency at Fox Chase Cancer Center in Philadelphia, (one of only thirty-nine NCI-designated Comprehensive Cancer Centers) where she trained with the world's leading experts in prostate cancer care.  Dr. Tsai treats all types of adult cancers.  She has extensive experience in Accelerated Partial Breast Irradiation brachytherapy (APBI), HDR brachytherapy, IGRT, and IMRT. She has published numerous studies and articles in the basic sciences and radiation oncology and has been invited to give presentations on APBI at national conferences including the American Brachytherapy Society and American Society of Therapeutic Radiation Oncology. Dr. Tsai is Board Certified in Radiation Oncology by the American Board of Radiology. Dr. Tsai is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). Her top areas of expertise are Prostate Cancer, Familial Prostate Cancer, Breast Cancer, and Intraductal Papilloma.

Robin Obenchain is a Hematologist in Chandler, Arizona. Dr. Obenchain is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Inflammatory Breast Cancer, and Angiosarcoma. Dr. Obenchain is currently accepting new patients.

Ann Padilla is a primary care provider, practicing in Family Medicine in Gilbert, Arizona. Dr. Padilla is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). Her top areas of expertise are Type 2 Diabetes (T2D), Hypertensive Heart Disease, Enlarged Liver, and Melorheostosis with Osteopoikilosis. Dr. Padilla is currently accepting new patients.

Ananya Das is a Gastroenterologist in Gilbert, Arizona. Dr. Das is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Cholecystitis, Colorectal Polyps, Pancreatic Cancer, Endoscopy, and Colonoscopy. Dr. Das is currently accepting new patients.

Horst Klueppelberg is a Hematologist Oncology specialist and an Oncologist in Gilbert, Arizona. Dr. Klueppelberg is rated as a Distinguished provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Marginal Zone Lymphoma (MZL), Chronic Lymphocytic Leukemia (CLL), Richter Syndrome, and Chronic B-Cell Leukemia (CBCL). Dr. Klueppelberg is currently accepting new patients.

Jasleen Khanuja is a Hematologist Oncology specialist and a Hematologist in Chandler, Arizona. Dr. Khanuja is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). Her top areas of expertise are Agranulocytosis, Chronic Familial Neutropenia, Severe Congenital Neutropenia, and Breast Cancer. Dr. Khanuja is currently accepting new patients.

Azam Farooqui is a Hematologist in Chandler, Arizona. Dr. Farooqui is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Pulmonary Embolism, Lung Cancer, Pleuropulmonary Blastoma, and Venous Thromboembolism (VTE).

Eric Gross is a Radiologist and a Radiation Oncologist in Chandler, Arizona. Dr. Gross is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Familial Prostate Cancer, Prostate Cancer, Breast Cancer, and Pleuropulmonary Blastoma.

Rohit Sud is a Hematologist Oncology specialist and a Hematologist in Chandler, Arizona. Dr. Sud is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Pleuropulmonary Blastoma, Acute Mountain Sickness, Thrombocytopenia, and Essential Thrombocythemia. Dr. Sud is currently accepting new patients.

Amber Flaherty is a Hematologist in Gilbert, Arizona. Dr. Flaherty is rated as an Advanced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). Her top areas of expertise are Colorectal Cancer, Lynch Syndrome, Familial Colorectal Cancer, and Marginal Zone Lymphoma (MZL). Dr. Flaherty is currently accepting new patients.

Dr. Anita Koszyk-Szewczyk joined Ironwood Cancer & Research Centers in July 2009, after completing her Hematology and Oncology training at Penn State University Hershey Medical Center. Dr.Szewczyk has earned her medical degree at Jagiellonian University Collegium Medicum in Krakow, Poland and Honours Biology at McMaster University Hamilton, Canada. She served as Chief Fellow at Penn State University and her special interests include all forms of adult cancers and hematological disorders with special interest in Breast Cancer. She is originally from Poland and Canada. She is board certified in Internal Medicine, Hematology and Oncology. Dr. Koszyk is rated as an Advanced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, and Bone Marrow Aspiration.

Wishwdeep Dhillon is a Hematologist in Gilbert, Arizona. Dr. Dhillon is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Pulmonary Embolism, Thrombocytopenia, Paget Disease of the Breast, and Pleuropulmonary Blastoma. Dr. Dhillon is currently accepting new patients.

Abhimanyu Ghose is a Hematologist in Gilbert, Arizona. Dr. Ghose is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Adult Soft Tissue Sarcoma, Bone Tumor, Familial Prostate Cancer, and Familial Colorectal Cancer. Dr. Ghose is currently accepting new patients.

Dr. Ortiz Cruz joined Ironwood Cancer & Research Center in September 2014, after completing her hematology and medical oncology fellowship at the University of South Carolina in Charleston. She completed two years of research at the National Cancer Institute | National Institutes of Health in Bethesda Maryland where she was involved with clinical research in radiation oncology in addition to work with medical oncology. Dr. Ortiz Cruz also completed an internal medicineresidency training program at Banner Good Samaritan Medical Center in Phoenix. She has published several articles in scientific journals and presented at various meetings. Dr. Cruz's specializes in solid tumor and hematologic disorders with a special interest in breast, colon cancer and lymphoma. Dr. Cruz's goal is to deliver the best care available for her patients by providing personalized treatment planning in conjunction with cutting-edge therapy.Dr. Cruz's personal goal is to deliver the best care available for her patients with the understanding that personalized treatment planning in conjunction with utilizing cutting-edge therapy is the best means to achieve this goal. Dr. Cruz is rated as an Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). Her top areas of expertise are Breast Cancer, Severe Congenital Neutropenia, Paget Disease of the Breast, and Agranulocytosis.

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 Experienced provider by MediFind in the treatment of Marginal Zone Lymphoma (MZL). His top areas of expertise are Oligodendroglioma, Astrocytoma, Gliosarcoma, and Ependymoma.