Cardiologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Chiropractor providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dentist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dermatologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Family Physician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
OB-GYN providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Ophthalmologist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Orthopedic Surgeon providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Pediatrician providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Physical Therapist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Podiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Psychiatrist providers include doctors, nurses, nurse practitioners, and physician assistants. They often maintain long-term relationships with you and advise and treat you on a range of health related issues.
Dr. Solís is a board-certified general surgeon and fellowship-trained breast surgical oncologist who specializes in the treatment of both benign and malignant breast disease. She has advanced training in oncoplastic techniques, including hidden scar techniques, as well as nipple sparing mastectomy. She has been well published in the field of breast surgery, with multiple publications in the areas of ductal carcinoma in situ, high risk breast lesions, idiopathic granulomatous mastitis, and risk-reducing mastectomy.
Dr. Solís received her undergraduate and medical degrees from the University of Virginia School of Medicine. She completed her general surgery residency at Inova Health System in Falls Church, Virginia before completing her breast surgical oncology fellowship at Vanderbilt University. In her spare time, she loves to travel, cook, and spend time with her large family, including her husband and sons.
Dr. Solís considers it an absolute privilege to be able to do the work that she does. Her goal for each and every patient is to empower them with knowledge, guide them along their journey, and ultimately help them reach a place of healing.
Dr. Michele Sazama is a board-certified adult nurse practitioner with extensive clinical experience, including over twenty years working with oncology patients. She holds national specialty certifications as an Advanced Oncology Certified Nurse Practitioner (AOCNP) and Board-Certified Medical Affairs Specialist (BCMAS).
Dr. Sazama was an instructor for Johns Hopkins University School of Nursing for many years and continues to serve as adjunct faculty for the Arizona State University nursing program. She created and directed a formal clinical rotation in oncology for graduate and doctoral nursing candidates, helping Arizona students develop their ability to safely care for oncology patients.
Dr. Sazama practices evidence-based medicine with a holistic focus and respect for individual choice.
Her clinical interests include psychoneuroimmunology, stress response, coping mechanisms, biofeedback, culturally diverse healing modalities, metaphysical science, meditation, and neuroplasticity.
Rezwan Chowdhury, MD is dual board certified by the American Board of Radiology, and The Royal College of Physicians and Surgeons (Canada), in Radiation Oncology. He completed his residency and Medical Doctorate at the Cross Cancer Institute in Edmonton, Alberta, Canada. He has a special interest in breast cancer, lung cancer, SBRT, brachytherapy, PLUVICTO, LUTATHERA, and treats all tumor sites.
Dr. Chowdhury is fellowship trained in brachytherapy, including all modalities of breast brachytherapy. He has specialized training and is experienced in treating lung cancer, brain metastases and oligo-metastases using SBRT/SRS techniques. Dr. Chowdhury has over 5 years of clinical academic experience at the University of British Columbia/BC Cancer Agency, where he was a clinical instructor to medical students, residents and fellows and served as the Chair of the SBRT program, thoracic tumor site and breast brachytherapy program. Dr Chowdhury has extensive research experience and has published his findings and presented to other specialty physicians around the world.
Dr. Chowdhury joined Arizona Center for Cancer Care in 2021 and has been treating patients throughout the Phoenix metro area for nearly a decade. Dr. Chowdhury believes in using evidenced based medicine, and a compassionate approach that places an emphasis on his patient’s individual needs and desires.
"Very knowledgeable and very good with patients, taking time to fully inform about options." -Ed
"Dr. Chowdhury explains all procedures and treatments thoroughly and takes time to answer any questions the patient may have prior and during treatment." -Ralph
Dr. Subhakar Mutyala is board certified in Radiation Oncology and has a board subspecialty certification in Brachytherapy. He has held numerous prestigious positions, including Medical Director of Radiation Medicine at The University of Arizona Cancer Center at St. Joseph’s, Chairman of Radiation Oncology and Associate Director at Scott and White Cancer Institute, and Director of Brachytherapy at Albert Einstein College of Medicine. Dr. Mutyala has extensive experience in IMRT, stereotactic radiosurgery, 3D conformal radiation therapy and unsealed radionuclide treatment. He has expertise in treating a wide range of cancers, with expertise in gynecologic cancers, pelvic tumors, prostate cancer, breast cancer, sarcomas, skin cancers, and brachytherapy.
Dr. Mutyala has authored over 40 publications and book chapters, and lectures nationally and internationally, including for the Harvard Brachytherapy Annual Review and the American Society of Radiation Oncology.
Dr. Singavi’s clinical interests include solid tumors and hematologic disorders (both malignant and non-malignant – thrombotic/bleeding disorders/etc.). His special interests include Neuro-oncology, Breast Oncology, and Genitourinary.
When not working, Dr. Singavi enjoys spending time with his family, traveling, and watching sports.
"My father has been a patient of Dr Singavi for 3 years. Dr Singavi is an absolute gem! He is compassionate and very knowledgeable. He takes his time to listen to patient concerns and help the patient/family understand the treatment plan. I can’t say enough how grateful I am my father is in his care. It’s so rare to find a doctor that is both skilled in his field and has top notch bed side manor. Dr Singavi is both!!" -Laura
"Dr. Singavi is the most amazing Dr. He is kind, compassionate, and takes all the time in the world to make sure you understand your condition, and your treatment plan. His entire office staff is also very compassionate and carring. If you have to see an Oncologist, and let's face it, nobody wants to, Dr. Singavi and his staff are the people you want to be with during your care." -Sandy
Dr. Andrew J. Buresh specializes in medical oncology, hematology, and internal medicine. He is interested in all aspects of clinical oncology and hematology, with a particular interest in gastrointestinal, breast, lung, and prostate cancer, as well as myelodysplasia, coagulation disorders, lymphoma, and myeloma.
Dr. Buresh joined Arizona Center for Cancer Care in 2013 when Desert Springs Cancer Care Center, which he founded and partnered with the practice. He is a member of the American Society of Clinical Oncology, American Society of Hematology and Arizona State Physicians Association.
Dr. Buresh is a multi-year “Top Doc” honoree by Phoenix Magazine and was chosen for the cover of the annual ranking magazine in 2013. He was also honored by the Phoenix Business Journal as among its “40 Top Business Leaders under Age 40.”
Dr. Buresh and his wife are blessed to be the proud parents of three beautiful children. When not caring for patients, Dr. Buresh enjoys spending his time with family, exercising, reading, playing basketball, golf, guitar, and coaching youth sports. He also speaks basic medical Spanish.
"Warm and caring in all aspects of care. He’s special in his approach and looks at the big picture. Spends a lot of time asking questions and is conservative in his approach. So glad I was referred to him and will continue to refer him to others. Don’t be afraid~ take him on your journey with you!" -Robin
Dr. Giraldo Kato specializes in medical oncology and hematology and has a special interest in breast cancer. His research interests include new breast cancer therapies as well as gastrointestinal and thoracic malignancies.
Dr. Kato joined Arizona Center for Cancer Care in 2013, when his team at Pinnacle Oncology Hematology partnered with the practice. Prior to joining Pinnacle Oncology, Dr. Kato served as chief of hematology/oncology at Maricopa Medical Center. He is a member of American Society of Clinical Oncology, American Medical Association and The American Society of Hematology. He is certified by the Medical Oncology Board and American Board of Internal Medicine.
"Dr Kato’s oncology expertise is a gift to his patients!! Diagnosed with triple negative breast cancer in 2016, I saw Dr Kato after meeting with several medical oncologists. I remember that appointment to this day. Not only did Dr Kato share his clinical plan with me, he shared a copy of a recently published peer reviewed clinical study that supported his treatment plan for me. Evidence based medicine. I was fortunate to see 4 medical oncologist in a span of a week sometimes multiple times, even after hours to ensure our questions were addressed for which I am immensely thankful. In the end, prayer and faith led me to chose Dr Kato. As a triple negative breast cancer survivor, my treatments were necessarily aggressive and difficult. 5 months of Chemo therapy followed by surgery then full dose of radiation. Through it all, I had Dr Kato and his team by my side. Chemo nurses were incredible and deserve a lot of praise for the work they do..." -Mei
Dr. Robin Obenchain specializes in Hematology and Medical Oncology. She believes in a holistic approach to cancer care integrating both the art and science of medicine uniquely based on an individualized care of each patient and family.
Dr. Obenchain joined Arizona Center for Cancer Care in 2016 and has been practicing in the Phoenix area for the past ten years. She has been published in Oncology Publishing Group: Colorectal Cancer in the Elderly Patient: Assessment and Treatment. She has received multiple awards including Association of Pathology Chairs Honor Society, the Higgins Award for outstanding Senior Resident and Alpha Omega Alpha Honor Society.
Dr. Obenchain has been named Top Doctor twice in the Phoenix Business Journal and is currently a member of the American College of Hospice and Palliative Medicine.
"These people are awesome. The doctor, her assistant, and the entire staff are wonderful people and they're a pleasure to deal with in what are sometimes not the most ideal conditions. They are extremely helpful, friendly courteous professional and I could go on and on. There is a single bad thing I can say about this practice or anyone who works here. Special shout outs to Dr Robin herself, Carrie, Ashley, Ashton, and Sandy who is no longer with them." -Jim
Dr. Jeans is an Arizona native who returned to join the Arizona Center for Cancer Care in 2022 and is excited to be serving the patients of her hometown. She is highly skilled in the most modern treatment techniques and well-versed in utilizing the most up-to-date data to increase cure rates and minimize side effects of treatment.
She was awarded the highest honor from the Mayo Clinic; the Mayo Brothers Distinguished Fellowship Award, due to outstanding clinical performance, humanitarianism, and scholarly activity. She has held innumerable national leadership roles including chair of Society of Women in Radiation Oncology, board member of the Radiation Oncology Education Group, and board member for the American Medical Women’s Association.
Additionally, Dr. Jeans has also opened multiple prospective studies utilizing novel radiotherapy techniques and authored countless papers and textbooks making her an early leader in the field.
In her spare time, Dr. Jeans enjoys spending time with her husband, David, and her immediate and extended family, located throughout the Valley. She enjoys travelling and hiking. Prior to medicine, she was a Physics and Chemistry High School Teacher in inner-city Chicago.
Apart from providing excellent, highly technical care, she is passionate about building patient relationships and helping patients navigate the cancer care journey.
"Dr. Jeans is an outstanding physician who provides knowledgeable and professional healthcare to her patients and demonstrates sincere concern, care, and excellent communication with her patients. What a privilege to have such a wonderful caretaker." -John
"Dr. Jeans was everything I needed during my treatment. She was transparent and explained the situation, treatment options and plan very well. She has maybe the best demeanor and attentiveness of any doctor I have had. Her staff was always friendly and helpful. Thanks Dr. Jeans and staff!" -Scott
Dr. Gunia is one of the few sub-specialty fellowship-trained Breast Surgical Oncologists in Scottsdale and is committed to the evaluation and treatment of breast disease. She is dedicated to bringing the highest level of breast care to the valley by incorporating her expertise in the newest technologies and advancements available for both the diagnosis and treatment of breast cancer. Her training included the oncoplastic surgical technique, which combines the principles of cancer removal with optimal cosmetic results.
After earning an undergraduate degree at Arizona State University, she obtained her medical degree from Kansas City University of Medicine and Biosciences. Dr. Gunia completed general surgery training through Ohio University and further specialized in Breast Surgical Oncology at Akron General Medical Center in Ohio. She is also on the board for Check for a Lump, a local non-profit that provides free breast health education, mammograms, testing, and direct assistance to breast cancer patients.
Dr. Gunia enjoys playing cards, country line dancing, relaxing by the pool with a good book, traveling, attending concerts, and spending time with her husband, Steve, their two tabby cats, and their two miniature dachshunds.
"Extremely nice stuff. They make you feel welcome. Dr. Gunia is a highly qualified professional that gave me reassurance everything is going to be okay. She is very kind and the best, she took the time to explain my options. Very pleased with my first time appointment." -Marie
"Dr. Gunia is hands down the best surgeon I’ve ever had. She was extremely personable and caring, and explained everything to me in “regular person”-speech, not doctor lingo. She ended up doing a partial mastectomy in my R breast, removing a large lump which was thankfully not malignant. I will definitely use her again if I have any further issues with my breasts. I HIGHLY recommend her as a surgeon and a breast doctor!" -Juleah
Dr. Justin Goldfarb specializes in medical oncology, internal medicine, and hematology.
Growing up in suburban Detroit, Dr. Goldfarb followed his true passion to become a hematologist and medical oncologist. A published author on topics including lymphoma and breast cancer, he is double board-certified in medical oncology and internal medicine, and fellowship-trained in hematologic disorders and solid tumors.
Dr. Goldfarb earned a bachelor’s degree from the University of Colorado at Boulder and holds a medical degree from Midwestern University in Chicago. He completed an internal medicine residency at Rush University Medical Center in Chicago, followed by a medical oncology fellowship at Baylor University Medical Center in Dallas. With academic appointments at Pritzker School of Medicine at the University of Chicago and Midwestern University, Dr. Goldfarb thoroughly enjoys teaching and mentoring medical students.
"The care I receive from Dr. Goldfarb is exceptional. He listens attentively to my concerns and he provided me with a treatment plan that yields positive results. The entire team at the clinic display a high level of professionalism and make me feel comfortable while I'm there . Nicole Lee is exceptional as well." -Christian
"Dr Goldfarb has been helping me fight lung cancer for two years and is a very caring person." -JC
Karlee grew up in a small town in Southern Wisconsin and went on to attend St. Cloud State University in Minnesota, where she played NCAA college soccer. After earning a degree in biomedical science with magna cum laude honors, she pursued her passion for medicine by obtaining a Physician Assistant degree from Northern Arizona University. During her time at Northern Arizona University she was an Arizona Area Health Education Center Scholar, engaging in a comprehensive two year interprofessional program that focused on preparing healthcare professionals for practice in underserved communities. This experience combined hands-on clinical training with community based learning, fostering a deep understanding of diverse patient needs.
Outside of work she enjoys reading, running, yoga, and spending quality time with family. Her commitment to ongoing learning and staying current with the latest medical advancements ensures that she is always equipped to deliver high quality care to her patients.
Dr. Joan Dahmer specializes in hematology, medical oncology, and internal medicine.
Dr. Dahmer joined Arizona Center for Cancer Care in 2008 when her team at Arizona Center for Hematology and Oncology partnered with the practice. Prior to joining Arizona Center for Hematology and Oncology in 2002, Dr. Dahmer developed the oncology program at both Maryvale and Memorial Hospitals in Phoenix. She was also Chief of Medicine at Laurentian Hospital in California and has served as a medical consultant for prominent centers and labs.
Dr. Dahmer has been active in the medical community as a past or current member of several organizations, most recently as a member of The Arizona Clinical Oncology Society, the American Society of Hematology, and the Association of Community Cancer Centers, to name a few.
She has also volunteered her time to many health-related causes, including serving as medical director for the HAVEN Program of Northeastern Ohio, a comprehensive program for those infected with and affected by HIV.
She has presented on a number of topics including, medical marijuana, cardiac assessment in home care to home health nurses, women in medicine, oral & lung cancer and medicine as a career.
"Dr. Dahmer is very good, kind, understanding, and very professional 👏." -Cozetta
"Virginia Piper cancer center has the nicest. Most accommodating staff and nurses. Doc Dahmer is the best doctor I have heard of. She is patient. Kind. Incredibly smart. Very thorough. I just love her. You wont be disappointed with her." -Samantha
Dr. Jason Samuelian is a Board-certified Radiation Oncologist, with expertise in novel radiation techniques including Intensity Modulated Radiation Therapy (IMRT), Image Guided Radiation Therapy (IGRT), Stereotactic Radiosurgery (SRS), and Stereotactic Ablative Radiotherapy (SABR). He has a particular interest in using new and advanced treatment techniques to minimize side effects. He derives great satisfaction from spending time with his patients and developing relationships with them that last long beyond their cancer care.
Dr. Samuelian joined Arizona Center for Cancer Care in 2015. He earned his Bachelor of Science degree in Exercise Physiology from Brigham Young University, where he graduated cum laude. He earned his medical doctorate at Midwestern University in Glendale, where he was awarded the MICA Scholastic Award in 2008, and graduated with Honors in 2010. He completed an internal medicine internship at Banner Good Samaritan Medical Center, followed by residency training at the Baylor College of Medicine, where he also served as chief resident. In addition, Dr. Samuelian has completed two brachytherapy fellowships — at the MD Anderson Cancer Center and the Seattle Prostate Institute.
Dr. Samuelian is a member of the American Society of Therapeutic Radiation Oncology, American Brachytherapy Society, American College of Radiology, American College of Radiation Oncology, and the American Society of Clinical Oncology. He has been invited to serve on the ASCO Professional Development Committee. He currently serves as Chairman of the Cancer Committee at Banner Boswell Medical Center in Sun City, a program accredited by the Commission on Cancer (CoC).
Dr. Samuelian actively participates in cooperative group clinical trials. His research has been published in peer-reviewed medical journals, and he has presented at national meetings on SABR for COPD patients with early-stage lung cancer, IMRT for the treatment of rectal cancer, and prostate cancer brachytherapy, among others.
"Dr. Samuelian has always been very honest and truthful in presenting us with our options I trust his opinion 100 present and would highly recommend him to anyone seeking his treatment." -Rick
"I have been very impressed with Dr. Jason Samuelian. He seems extremely knowledgeable. I have had several doctors that had horrible bedside manner. Dr. Samuelian has an incredible bedside manner. It was so obvious that he was really concerned with my welfare. I would also like to do a shout out to his support team. They were incredible, and kind. I can't say enough about the entire experience. I'd give him six stars if I could." -Peter
Dr. Nagaiah received his medical degree from MGR Medical University in India and has been in practice for more than 20 years. His residency and internship were completed at Mercy Catholic Medical Center in Pennsylvania, and he completed a fellowship at West Virginia University. He earned a Masters in Clinical Research from the MGH Institute of Health Professions in Boston. Dr. Nagaiah has expertise in treating lymphoma, lung cancer, and breast cancer, among other conditions.
PHILOSOPHY
I believe that being an oncologist is a privilege that is not to be taken lightly. I strive to provide evidence-based care that is appropriate to my patients’ particular problem, recognizing and respecting individual patient’s wishes. I take a multidisciplinary approach to care, including alternative therapies that have been shown to be effective.
RESEARCH PUBLICATIONS
Nagaiah G, Hossain A, Mooney CJ, Parmentier J, Remick SC. Anaplastic thyroid cancer: A review of epidemiology, pathogenesis, and treatment. J Oncol.2011;2011:542358. 2. Batalo M, Nagaiah G, Abraham J. Cognitive dysfunction in postmenopausal breast cancer patients on aromatase inhibitors. Expert Rev Anticancer Ther.2011;11(8):1277-1282. 3. Nagaiah G, Remick SC. Combretastatin A4 phosphate: A novel vascular disrupting agent. Future Oncol. 2010;6(8):1219-1228 4. Mooney CJ, Nagaiah G, Fu P, et al. A phase II trial of fosbretabulin in advanced anaplastic thyroid carcinoma and correlation of baseline serum-soluble intracellular adhesion molecule-1 with outcome. Thyroid. 2009;19(3):233-240. 5. Nagaiah G, Almubarak M, Khan M, Altaha R. Cerebrospinal fluid leak during treatment with bevacizumab and irinotecan after carmustine-impregnated wafers placement in patients with grade 2 oligodendroglioma and glioblastoma multiforme: Report of two cases and review of literature. Cancer Invest. 2010;28(10):1048-1053
Craig Hullett, MD, PhD, is a board-certified radiation oncologist with extensive experience in the treatment of a wide range of malignancies. He began his academic career in Communication, earning a Bachelor of Arts from Augustana College in Rock Island, Illinois, followed by a Master of Arts from Wake Forest University and a Doctor of Philosophy from Michigan State University. He later served as a tenured Associate Professor of Communication at the University of Arizona.
Inspired by his volunteer work at a local hospice, Dr. Hullett transitioned to medicine and earned his Doctor of Medicine degree from the University of Arizona. During medical school, he was inducted into the Gold Humanism Honor Society and Alpha Omega Alpha, recognizing his commitment to compassionate, patient-centered care and academic excellence. He completed his internship and residency training in Radiation Oncology at the University of Wisconsin.
Dr. Hullett has been practicing in Arizona since 2022 and is pleased to have returned to the state with his family. Outside of his clinical practice, he enjoys spending time with his family, exercising, and traveling.
Dr. Angeles is a board-certified general surgeon with advanced training in benign and malignant breast diseases. She is committed to a multidisciplinary approach to treating breast cancer, working closely with the other sub-specialists in oncology to provide the best treatment plan for each patient. She also incorporates oncoplastic techniques to provide optimal cosmetic outcomes after breast conservation surgery.
Dr. Angeles received her medical degree from Western University of Health Sciences, College of Osteopathic Medicine of the Pacific. She completed her general surgery residency at Philadelphia College of Osteopathic Medicine in Pennsylvania. Having a special interest in breast cancer, she went on to complete a breast surgical oncology fellowship at Medstar Washington Hospital Center in Washington, D.C
In her spare time, she loves to travel, support her sons at their basketball games, and hike during the cooler months in and around Arizona.
"I was referred to Dr. Angeles for a breast consult. I had been diagnosed with LCIS and she was very informative and thorough. She ended up doing another biopsy/lumpectomy and found a 2.5mm cancerous tumor. After another surgery to check my lymph nodes I was referred for radiation therapy. Dr. Angeles was so wonderful during this whole process. Her bedside manner is top notch. All her staff and nurses were amazing as well. I have had very little down time considering everything that has happened. She got the ball rolling quickly with all of my care and I am so grateful." -Cathie
"She is probably the most empathetic doctor I have ever met. She truly cares about her patients, not just the cancer, but your whole being. She reassuring and comforting when patients like me are at their worst. Highly recommend." -Ginny
Dr. Parmjeet Kumar Banghar specializes in hematology, medical oncology, and internal medicine. He joined Arizona Center for Cancer Care in 2008 when his team at Arizona Center for Hematology and Oncology partnered with the practice.
Currently, Dr. Banghar is a member of the American Society of Clinical Oncology and American Society of Hematology. He has participated in a research study involving cerebrovascular diseases and been published in several journals, including Leukemia Research and the Indian Journal of Medical Sciences. He has also presented on a number of topics, including sonographic evaluation of the spleen in sickle cell syndromes, lennox gastaut syndrome and sweet syndrome in a patient with acute myeloid leukemia.
"This doctor is smart and knows cancer. The staff is the best. My nurses who give me shots are the best! Highly reccomend this office." -Lina
"I have been Dr. Banghar's patient since 2019 and just found out I could give him a review. Wish I had been told this before. He is an excellent provider. He has made me feel confident about my treatment which I think has/had a tremendous amount of impact on my care and the outcome. I would recommend him and the facility in a heart beat." -Felicia
