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About Dr. Dhillon:

Dr. Dhillon is fellowship trained in Hematology and Medical Oncology. His clinical interests include a broad spectrum of disorders including solid tumors, hematologic malignancies, and benign hematologic disorders. His special interests include pancreatic cancer, breast cancer, myeloma, lymphoma, gastrointestinal malignancies, prostate cancer, and lung cancer. Dr. Dhillon also specializes in treatment of blood disorders.

Dr. Dhillon has participated in a number of research projects. He has presented his work at national meetings, and published in journals, including the New England Journal of Medicine.  

He is an advocate of collaborative and patient-centered cancer care that delivers effective treatment while maintaining quality of life.

Dr. Dhillon enjoys golf, writing, activities related to personal fitness, hiking, traveling, and spending time with friends and family.

Patient Reviews:

"I am a snowbird and had no idea who would be a good oncologist during the winter to treat me. When I read about him online, he was one of my top choices and I’m glad I picked him. He has been the perfect fit for me. Not only does he have a friendly personality, but he is very thorough and caring. He is also very efficient as well. If he says he will do something, you can depend on him to do it. I feel that I am in very good hands here. Thank you Dr. Dhillon! I will tell my Idaho friends about you." -Marilyn

"When I come to Dr Dhillon’s office I can honestly say that I have never felt so loved and cared for in any physician’s office. The staff there is excellent beginning with checking in. They are so polite and helpful. All of the nurses take a personal interest to aid me to get my most outstanding care. The encouragement I get from all of them is phenomenal!
I may come in down and dejected but by the time I leave I feel like there is a bright light at the end of the tunnel!!" [click the link below to read the rest] -Linda

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.

Patient Reviews:

"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. 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.

Patient Reviews:

"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

About Dr. Dhillon:

Dr. Dhillon is fellowship trained in Hematology and Medical Oncology. His clinical interests include a broad spectrum of disorders including solid tumors, hematologic malignancies, and benign hematologic disorders. His special interests include pancreatic cancer, breast cancer, myeloma, lymphoma, gastrointestinal malignancies, prostate cancer, and lung cancer. Dr. Dhillon also specializes in treatment of blood disorders.

Dr. Dhillon has participated in a number of research projects. He has presented his work at national meetings, and published in journals, including the New England Journal of Medicine.  

He is an advocate of collaborative and patient-centered cancer care that delivers effective treatment while maintaining quality of life.

Dr. Dhillon enjoys golf, writing, activities related to personal fitness, hiking, traveling, and spending time with friends and family.

Patient Reviews:

"I am a snowbird and had no idea who would be a good oncologist during the winter to treat me. When I read about him online, he was one of my top choices and I’m glad I picked him. He has been the perfect fit for me. Not only does he have a friendly personality, but he is very thorough and caring. He is also very efficient as well. If he says he will do something, you can depend on him to do it. I feel that I am in very good hands here. Thank you Dr. Dhillon! I will tell my Idaho friends about you." -Marilyn

"When I come to Dr Dhillon’s office I can honestly say that I have never felt so loved and cared for in any physician’s office. The staff there is excellent beginning with checking in. They are so polite and helpful. All of the nurses take a personal interest to aid me to get my most outstanding care. The encouragement I get from all of them is phenomenal!
I may come in down and dejected but by the time I leave I feel like there is a bright light at the end of the tunnel!!" [click the link below to read the rest] -Linda

Dr. Justin Famoso specializes in radiation oncology treating a wide variety of malignant and benign diseases with innovative radiation technologies. He promotes continuity of care and emphasizes a multidisciplinary approach in his practice.

Dr. Famoso specializes in the treatment of malignancies of the breast, prostate, lung, head and neck, gynecologic tract, gastrointestinal tract, skin, central nervous system, hematologic/lymphatic systems, and musculoskeletal systems. He has extensive training with modern radiation treatment technologies and techniques including external beam radiation therapy, IMRT, SBRT, PLUVICTO, and brachytherapy.

Dr. Famoso has authored numerous research articles focused on the combination of immunotherapy and radiation therapies leading to improved patient outcomes. 

He earned a B.S. degree from West Virginia University with a double major in biology and chemistry. He went on to receive his M.D. from West Virginia University before completing his internship at the University of Pittsburgh Medical Center. He completed his radiation oncology residency training at the University of Arizona, where he would ultimately serve as chief resident.

Dr. Famoso enjoys golfing, skiing, playing piano, traveling, and viticulture. He is also a passionate West Virginia University Mountaineers sports fan.

Patient Reviews

"I love Dr Famoso and his entire office staff! They are all very caring and attentive. Listens and provides answers and/or options. Highly recommend!!!" -Tamis

"Dr. Famoso and his staff took such good care of me and are so kind and supportive. I look forward to seeing them always. I could not be in in better hands. Thanks so much!" -Davis

Physician Spotlight

Dr. Justin Famoso specializes in radiation oncology treating a wide variety of malignant and benign diseases with innovative radiation technologies. He promotes continuity of care and emphasizes a multidisciplinary approach in his practice.

Dr. Famoso specializes in the treatment of malignancies of the breast, prostate, lung, head and neck, gynecologic tract, gastrointestinal tract, skin, central nervous system, hematologic/lymphatic systems, and musculoskeletal systems. He has extensive training with modern radiation treatment technologies and techniques including external beam radiation therapy, IMRT, SBRT, PLUVICTO, and brachytherapy.

Dr. Famoso has authored numerous research articles focused on the combination of immunotherapy and radiation therapies leading to improved patient outcomes. 

He earned a B.S. degree from West Virginia University with a double major in biology and chemistry. He went on to receive his M.D. from West Virginia University before completing his internship at the University of Pittsburgh Medical Center. He completed his radiation oncology residency training at the University of Arizona, where he would ultimately serve as chief resident.

Dr. Famoso enjoys golfing, skiing, playing piano, traveling, and viticulture. He is also a passionate West Virginia University Mountaineers sports fan.

Patient Reviews

"I love Dr Famoso and his entire office staff! They are all very caring and attentive. Listens and provides answers and/or options. Highly recommend!!!" -Tamis

"Dr. Famoso and his staff took such good care of me and are so kind and supportive. I look forward to seeing them always. I could not be in in better hands. Thanks so much!" -Davis

Physician Spotlight

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.

Patient Reviews:

"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

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.

Patient Reviews:

"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

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.

Patient Reviews:

"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. Abhimanyu Ghose clinical interests include treating patients with all types of cancer, including lung, gastrointestinal, breast, genitourinary (bladder, prostate, renal), skin, myeloma, lymphomas, and other blood disorders. Dr. Ghose has more than 25 published peer reviewed articles in field of oncology and has presented at national and international conferences.

Dr. Ghose believes in treating his patients with the same level of respect and compassion he would offer to his family members. He is a strong advocate for his patients. His approach is individualized to each patient because each patient’s condition and situation in life is unique.

In his free time, Dr. Ghose enjoys spending time with his family, dining out, hiking, and traveling. He is also an avid tennis player.

Patient Reviews:

"I have been treating with Dr. Abhimanyu Ghose since my diagnosis in December of 2018. I was diagnosed with Stage IV, Non Small Cell Lung cancer. I began treatment March of 2019 with chemotherapy and Keytruda. After completing chemotherapy I have remained on Keytruda since the beginning. I have been in remission for over a year and my CT scans continue to confirm no evidence of disease. I trust Dr. Ghose and his team to continue to make the best treatment plans possible for me. I also believe Keytruda has been a life saver for me! I continue to have infusions every 3 weeks with little to no adverse reactions. I am grateful to have Dr. Ghose and the infusion nurses taking care of me." -Nancy

"Have had wonderful care by Dr. Ghose thru my cancer treatment and follow ups for last 4 years. He is attentive and caring and positive. Easy to understand his explanations and thorough. Office experiences always efficient." -Jeff

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.

Patient Reviews:

"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

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.

Patient Reviews:

"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

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.

HonorHealth Profile

LinkedIn Profile

Patient Reviews:

"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. 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.

HonorHealth Profile

LinkedIn Profile

Patient Reviews:

"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. 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.

Patient Reviews:

"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

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.

Languages spoken: English

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.

Languages spoken: English