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 a Distinguished provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Pulmonary Embolism, Nodular Lymphocyte-Predominant Hodgkin Lymphoma (NLPHL), Childhood Iron Deficiency Anemia, and Iron Deficiency Anemia.

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 Iron Deficiency Anemia. His top areas of expertise are Hemochromatosis, Non-Small Cell Lung Cancer (NSCLC), Plasmacytoma, and Lung Cancer.

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 a Distinguished provider by MediFind in the treatment of Iron Deficiency Anemia. Her top areas of expertise are Breast Cancer, Paget Disease of the Breast, Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, and Bone Marrow Aspiration.

Megan Jhaver is a primary care provider, practicing in Internal Medicine in Chandler, Arizona. Dr. Jhaver is rated as a Distinguished provider by MediFind in the treatment of Iron Deficiency Anemia. Her top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Hypertension, and Familial Hypertension. Dr. Jhaver is currently accepting new patients.

Robert Rice is a Hematologist Oncology specialist and an Oncologist in Parker, Arizona. Dr. Rice is rated as an Experienced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Mantle Cell Lymphoma (MCL), Multiple Myeloma, Paget Disease of the Breast, and Inflammatory Breast Cancer. Dr. Rice is currently accepting new patients.

Elise Donnelly is a primary care provider, practicing in Family Medicine in Scottsdale, Arizona. Dr. Donnelly is rated as a Distinguished provider by MediFind in the treatment of Iron Deficiency Anemia. Her top areas of expertise are Familial Hypertension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and High Cholesterol.

Justin Goldfarb is an Oncologist and a Hematologist Oncology provider in Avondale, Arizona. Dr. Goldfarb is rated as a Distinguished provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Lung Adenocarcinoma, Small Cell Lung Cancer (SCLC), Lung Cancer, and Pleuropulmonary Blastoma. Dr. Goldfarb is currently accepting new patients.

Devinder Singh is a Hematologist Oncology specialist and a Hematologist in Scottsdale, Arizona. Dr. Singh is rated as a Distinguished provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Waldenstrom Macroglobulinemia, Paget Disease of the Breast, Monoclonal Gammopathy of Undetermined Significance (MGUS), and Large-Cell Immunoblastic Lymphoma. Dr. Singh is currently accepting new patients.

Steven Rosinski is a Hematologist Oncology specialist and a Hematologist in Bullhead City, Arizona. Dr. Rosinski is rated as a Distinguished provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Childhood Iron Deficiency Anemia, Iron Deficiency Anemia, Pleuropulmonary Blastoma, Breast Cancer, and Bone Marrow Transplant.

Delivering compassionate care with patient empowerment. Helping patient manage their own care with education and clinical resources. Dr. Garg is rated as an Experienced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Xanthoma, Familial Combined Hyperlipidemia, Cirrhosis, Ureteroscopy, and Endoscopy.

Dr. Maressa Alejandro is an internal medicine physician specializing in preventative and medical care for adults and seniors. She earned her medical degree at Ponce School of Medicine in Ponce, Puerto Rico, and has been in practice for more than 20 years.She completed her internal medicine internship, residency, and fellowship, as well as additional fellowship training in geriatrics and primary care at Saint Vincent’s Hospital in New York City. Dr. Alejandro is board-certified by the American Board of Internal Medicine and licensed in multiple states, including Arizona. She has earned many honors and awards throughout her career and is a member of the American Medical Association.Dr. Alejandro has expertise in treating coronary artery disease, hypertension, diabetes, underactive and over-active thyroid disease, asthma, bronchitis, and autoimmune diseases, among other conditions. She specializes in the unique health needs of the elderly, including chronic diseases, nutritional problems, skin ailments, cognitive loss, memory impairment, adverse effects of medications, immobility, and balance issues.Whether it’s a complex medical issue with multiple comorbidities or a simple well-check exam, Dr. Alejandro treats her patients with kindness, respect, and compassion. She speaks Spanish. Dr. Alejandro is participating with Medicare, Medicaid, Aetna, Blue Cross, United Healthcare, and Cigna, among others, and is currently accepting new patients at Fusion Medical Care!. Dr. Alejandro is rated as an Experienced provider by MediFind in the treatment of Iron Deficiency Anemia. Her top areas of expertise are Peripheral Neuropathy, Malignant Otitis Externa, Silent Thyroiditis, Vitamin D Deficiency, and Hormone Replacement Therapy (HRT).

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 Iron Deficiency Anemia. 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 Advanced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Oligodendroglioma, Astrocytoma, Gliosarcoma, and Ependymoma.

Dr. Michael Musci joined Ironwood Cancer & Research Centers in June 2007 as a Medical Oncologist. He comes to us from Kaiser Permanente Oncology Department in Walnut Creek, California. Dr. Musci received his medical degree and PhD at the University of Iowa. After Internal Medicine Residency, Dr. Musci received fellowship training in Hematology Oncology at UCSD Medical Center in San Diego, California. Dr. Musci is Board Certified in Internal Medicine, Hematology and Medical Oncology. Dr. Musci is rated as an Advanced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Pleuropulmonary Blastoma, Familial Colorectal Cancer, Severe Congenital Neutropenia, and Lung Cancer.

Dr. Halbur joined Ironwood Cancer & Research Centers in 2005, following his residency in Internal Medicine and fellowship in Hematology and Oncology at the University of California at Irvine. He earned his medical degree at Loyola University of Chicago, Stritch School of Medicine. Dr. Halbur has been active in cancer research and has presented his results at the American Society of Hematology Annual Meeting. He has also been involved in clinical trial development. Dr. Halbur lives in the East Valley and enjoys spending time with his wife and two daughters. His hobbies include playing basketball, tennis, and golf and cheering on the Suns. He is board certified in Internal Medicine, Hematology and Medical Oncology.Supportive Cancer Care You Can Trust 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. We evaluate you and develop a personalized treatment plan specifically for you to insure the best possible outcome. Dr. Halbur is rated as an Advanced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Familial Colorectal Cancer, Adult Soft Tissue Sarcoma, WT1-Related Wilms Tumor Syndromes, and Clear Cell Sarcoma.

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 Advanced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Familial Colorectal Cancer, Breast Cancer, Lynch Syndrome, and Colorectal Cancer.

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 Iron Deficiency Anemia. His top areas of expertise are Lung Cancer, Familial Colorectal Cancer, Colorectal Cancer, and Severe Congenital Neutropenia.

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 Advanced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Colorectal Cancer, Familial Colorectal Cancer, Lung Adenocarcinoma, and EGFR Positive Lung Cancer.

Tania Cortas is a Hematologist in Phoenix, Arizona. Dr. Cortas is rated as an Advanced provider by MediFind in the treatment of Iron Deficiency Anemia. Her top areas of expertise are Anal Cancer, Myelodysplastic Syndrome (MDS), Familial Colorectal Cancer, and Colorectal Cancer. Dr. Cortas is currently accepting new patients.

Mazen Khattab is a Hematologist and an Oncologist in Phoenix, Arizona. Dr. Khattab is rated as an Advanced provider by MediFind in the treatment of Iron Deficiency Anemia. His top areas of expertise are Paget Disease of the Breast, Breast Cancer, Pleuropulmonary Blastoma, and Colorectal Cancer. Dr. Khattab is currently accepting new patients.