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 a Distinguished provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Hemochromatosis, Non-Small Cell Lung Cancer (NSCLC), Plasmacytoma, and Lung Cancer.

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 Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Breast Cancer, B-Cell Lymphoma, Paget Disease of the Breast, and Schnitzler Syndrome.

Ravi Gupta is a primary care provider, practicing in Internal Medicine in Chandler, Arizona. Dr. Gupta is rated as an Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Lung Metastases, Myelodysplastic Syndrome (MDS), End-Stage Renal Disease (ESRD), Liver Embolization, and Carotid Artery Surgery. Dr. Gupta is currently accepting new patients.

I enjoy reading, visiting with my grandkids, fishing, watching sports, and paying attention to my loving wife. Dr. Stanek is rated as a Distinguished provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Myelodysplastic Syndrome (MDS), Gastric Lymphoma, Non-Hodgkin Lymphoma, Large-Cell Immunoblastic Lymphoma, and Bone Marrow Aspiration.

I am an Arizona native and enjoy swimming and the outdoors, as well as spending time with my wife and children. I also have a special interest in improving the care of cancer patients in sub-Saharan Africa. Dr. Ulrickson is rated as a Distinguished provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Non-Hodgkin Lymphoma, Acute Myeloid Leukemia (AML), Acute Myeloblastic Leukemia without Maturation, Bone Marrow Transplant, and Bone Marrow Aspiration.

Robin Obenchain is a Hematologist in Chandler, Arizona. Dr. Obenchain is rated as an Experienced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). 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.

Amber Flaherty is a Hematologist in Gilbert, Arizona. Dr. Flaherty is rated as an Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). 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. 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 Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). Her top areas of expertise are Breast Cancer, Severe Congenital Neutropenia, Paget Disease of the Breast, and Chronic Familial Neutropenia.

Dr. DeRoock joined Ironwood Cancer & Research Centers in 2009 after completing residency in Internal Medicine followed by fellowship in Hematology and Oncology at the University of California at Davis. He is a first-generation Panamanian-American fluent in both English and Spanish. He previously earned his medical degree at the University of Arizona. Dr. DeRoock is board certified in Internal Medicine, Hematology and Medical Oncology. He has been active in developing clinical trials for pancreatic cancer and lymphoma, and has presented his research findings at the American Society of Hematology Annual Meeting as well as the Annual Pan-Pacific Lymphoma Conference. He specializes in all adult cancers and hematologic disorders.Supportive Cancer Care You Can TrustYou can find that team at Ironwood Cancer & Research Centers. With community-based centers strategically located throughout the Metro Phoenix area, Ironwood offers advanced therapies and a multi-disciplinary approach usually associated with large academic centers – but with a personalized touch recognizing the individual needs of the patient.Studies have shown the importance of a multi-disciplinary approach in effectively treating cancer. We spare you time and worry simply by having all the doctors, therapists, and resources you need in one convenient location, eliminating the delays and miscommunication. These collaborative efforts ensure the highest standards of care. Because Ironwood is actively involved in cutting-edge research, you can also benefit from promising new treatments through participation in clinical trials. Dr. Deroock is rated as an Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Pulmonary Embolism, Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL), Childhood Iron Deficiency Anemia, and Iron Deficiency Anemia.

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 an Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Lung Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Severe Congenital Neutropenia.

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 Myelodysplastic Syndrome (MDS). Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, and Bone Marrow Aspiration.

I enjoy hiking, desert gardening, travel, classical music and collecting European train models. Dr. Klueppelberg is rated as an Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Marginal Zone Lymphoma (MZL), Chronic Lymphocytic Leukemia (CLL), Chronic B-Cell Leukemia (CBCL), and Richter Syndrome.

Art house movies, travel, cooking. Dr. Badari is rated as an Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Thrombocytopenia, Multiple Myeloma, Non-Hodgkin Lymphoma, Bone Marrow Aspiration, and Bone Marrow Transplant.

Mahmood Shahlapour is a primary care provider, practicing in Internal Medicine in Chandler, Arizona. Dr. Shahlapour is rated as an Advanced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Multisystem Inflammatory Syndrome in Children (MIS-C), COVID-19, Visceromegaly, Endoscopy, and Ureteroscopy.

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

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

Dr. Sanjeev Gopal is a board certified specialist in Medical Oncology and Hematology.With offices in Apache Junction, Mesa and Gilbert, he is committed to providing highest level of care. Our center provides comprehensive care including Chemotherapy, immunotherapy, biologic therapy and iron infusions. Our goal is to provide individualized care to all Blood and Cancer patientsDo not dwell in past, do not dream of future, concentrate the mind on present moment. Dr. Gopal is rated as an Experienced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Squamous Cell Lung Carcinoma, and Non-Small Cell Lung Cancer (NSCLC).

Abhimanyu Ghose is a Hematologist in Gilbert, Arizona. Dr. Ghose is rated as an Experienced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). 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. 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 Myelodysplastic Syndrome (MDS). His top areas of expertise are Oligodendroglioma, Astrocytoma, Glioblastoma, and Gliosarcoma.

Dr. Neel Dharia joined Ironwood Cancer & Research Centers in January 2012. Dr. Dharia received his medical degree from Mumbai University, Mahatma Gandhi Missions Medical College in 1999. His residency was completed in Internal Medicine at McLaren Regional Medical Center and Michigan State University College of Human Medicine in Flint, Michigan. Dr. Dharia was a hospitalist at several Phoenix Valley hospitals between 2003-2007 and completed a fellowship in Hematology/Oncology at St. Elizabeth's Medical Center (affiliated with Tufts University School of Medicine) in Boston, Massachusetts from 2007-2010. He came back to Arizona in 2010 and is board-certified in medical oncology. Dr. Dharia's areas of interest include GI malignancies, melanoma, breast and lung cancers.You can find that team at Ironwood Cancer & Research Centers. With community-based centers strategically located throughout the Metro Phoenix area, Ironwood offers advanced therapies and a multi-disciplinary approach usually associated with large academic centers – but with a personalized touch recognizing the individual needs of the patient.Studies have shown the importance of a multi-disciplinary approach in effectively treating cancer. We spare you time and worry simply by having all the doctors, therapists, and resources you need in one convenient location, eliminating the delays and miscommunication. These collaborative efforts ensure the highest standards of care. Because Ironwood is actively involved in cutting-edge research, you can also benefit from promising new treatments through participation in clinical trials.  At Ironwood Cancer & Research Centers we evaluate you and develop a personalized treatment plan specifically for you to insure the best possible outcome. Dr. Dharia is rated as an Experienced provider by MediFind in the treatment of Myelodysplastic Syndrome (MDS). His top areas of expertise are Familial Colorectal Cancer, Breast Cancer, Colorectal Cancer, and Lynch Syndrome.