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. Christopher Biggs specializes in radiation oncology and is an expert in radiosurgery and gynecological oncology.
Dr. Biggs co-founded Arizona Center for Cancer Care in 2008 with Drs. Devinder Singh, Daniel Reed and Terry Lee. He attended the University of Arizona, where he received his Bachelor of Science degree in Molecular and Cellular biology. His interest in cancer research took him to the University of Southern California, under the Borchard Cancer Research Fellowship. There, he performed research on the molecular genetics of cancer at the Norris Cancer Center and at LA Children’s Hospital. After completing his Doctor of Philosophy degree, he moved to Stanford University, where he earned his medical degree, and developed an interest in radiation oncology. Dr. Biggs completed his residency in radiation oncology at the University of California, San Francisco, where he eventually served as chief resident.
For five years, Dr. Biggs performed radiosurgery at Barrow Neurological Institute and also served as director of the Baptist Oncology Center.
Dr. Biggs is certified by the American Board of Radiology and is a Diplomat of the American Society of Therapeutic Radiation Oncology. He is a member of the American Association for Cancer Research, Radiology Society of North America, American Society of Therapeutic Radiation Oncology and the American Association of Advancement of Science.
Dr. Biggs is a multi-year “Top Doc” honoree by Phoenix Magazine.
"My experience was great I even had to travel from Yuma AZ for my treatments. DR Biggs made everything go as easy and painless for me. his staff were extremely kind and professional just like him! I appreciate so much for their empathy they had for me and my battle with cancer. Thank you from the bottom of my heart. I highly recommend this office." -Jen
"The office visit was for my husband Jessie Wilson. Dr. Biggs is excellent at relieving any anxiety we had going in. He took the time to explain everything as well as talking about personal info to get to know us better. We left feeling very relaxed and confident in his care moving forward. We highly recommend Dr. Biggs and his entire staff to anyone who needs treatment!" -Linda
Dr. Scott P. Tannehill is Board Certified in Radiation Oncology with over two decades of clinical experience. He has been in practice in Arizona since 2008 and was a co-founder of Arizona Breast Cancer Specialists and Arizona Radiation Oncology Specialists, both of which joined Arizona Center for Cancer Care in 2012.
Dr. Tannehill earned his medical degree and specialty training at the University of Wisconsin. He has held faculty positions at several top-tier universities, including the University of Wisconsin, the University of Florida, and the University of Arizona. He was Chair of the Oncology Curriculum for the University of Wisconsin for several years. He worked a sabbatical year at the Peter MacCallum Cancer Centre in Melbourne, Australia before moving to Arizona and joining the faculty at the University of Arizona - Tucson, where he served as the Program Director for the Radiation Oncology Residency. Dr. Tannehill continues to hold the academic title of Clinical Associate Professor of Radiation Oncology with the University of Arizona and continues to educate medical trainees.
Dr. Tannehill has extensive clinical expertise in brachytherapy, Intensity-Modulated Radiation Therapy (IMRT), and LUTATHERA. He has been invited to present on his techniques and experience both nationally and internationally. His research interests include treatment techniques for breast cancer, brachytherapy for breast and other cancers, and participation in cooperative group clinical research.
Dr. Tannehill is a member of the European Society for Therapeutic Radiology and Oncology, American Society of Hematology, American Society of Clinical Oncology and American Society for Therapeutic Radiology and Oncology. He is board certified in Radiation Oncology by the American Board of Radiology.
Dr. Tannehill is a multi-year “Top Doc” honoree by Phoenix Magazine and has been named among the “Best Doctors in America” by Best Doctors, Inc since 2003.
"Dr. Scott Tannehill, MD was not only professional, he was kind, caring and made the process that much easier. His staff was kind and caring and they are all very efficient and helpful. I would recommend Dr. Tannehill to anyone!" -Nancy
"Dr. Tannehill is the best doctor I have ever meet. He’s very professional and informative he makes me feel very comfortable to express my problems." -Khlem
Dr. Steven Sckolnik is a board certified radiation oncologist and has expertise in the management of breast, prostate and gastrointestinal cancers. He has a particular interest in utilizing new and advanced treatment techniques to minimize side effects. He most enjoys developing long-lasting relationships with his patients that extend beyond their treatments. He is a Scottsdale native and returned home to join Arizona Center for Cancer Care in 2016. He received a bachelor’s degree from Northwestern University in Chicago and a medical degree from the University of Arizona in Tucson.
Dr. Sckolnik is a member of the American Society for Therapeutic Radiology and Oncology, American Brachytherapy Society, American College of Radiology and the Arizona Radiological Society.
Dr. Sckolnik also enjoys cooking, traveling, colorful socks, skiing and Arizona Wildcats basketball.
"Marissa and Dr. Sckolnik are 2 of the most compasionate, supportive people you could ask for in a difficult medical situation. They are kind, thoughtful, and in your corner to make sure you get the best possible care available. I'm very grateful they are the team taking care of me." -Sue
"Very bright, great algorithms for diagnosis and treatment..excellent coordination between urology radiology, and oncology, great follow-up ( a lost art theze days.) Extremely personable couldn't ask for a better person or physician!!!" -Walter
Janice is a dedicated hematology/oncology nurse practitioner who collaborates closely with physicians and other healthcare team members to deliver comprehensive care, offering unwavering support to patients and caregivers during treatment and beyond. With over 12 years of experience as a hematology, oncology, and bone marrow transplant nurse, Janice has worked with medically complex neonates, pediatrics, and adults in both inpatient and outpatient settings. She earned both a bachelor's and a master's degree from the University of Phoenix and is nationally certified as a Nurse Practitioner by the American Association of Nurse Practitioners. Passionate about patient advocacy and education, Janice seeks to empower patients by listening to their health needs and goals and working in partnership with them and their families to manage their health effectively.
Getting diagnosed with cancer is very difficult for patients and their families but getting treatment for cancer should not be. Dr. Agarwal approaches all cancer patients with the goal of giving them the most up-to-date and individualized cancer treatment in an efficient way so they can continue to live their lives as close to normal as possible
Dr. Agarwal specializes in all different types of cancer and blood related problems such as lung, gastrointestinal, prostate, genitourinary, gynecologic, neurologic, lymphomas, leukemia, anemia, platelets clotting disorders, etc. He is also interested in clinical trials and has completed advanced training in clinical trials and research. In addition, he has published several papers and has presented at national and international cancer meetings.
In his free time, Dr. Agarwal enjoys traveling, watching movies, playing tennis and golf.
Dr. Terry Lee specializes in radiation oncology, and has extensive experience in brain, head and neck, lung, and gastrointestinal cancer.
Dr. Lee co-founded Arizona Center for Cancer Care in 2008 with Drs. Devinder Singh, Christopher Biggs and Daniel Reed. He received his Bachelor of Science degree in Mechanical Engineering from the University of California, Los Angeles, and his Master of Science degree in Nuclear Engineering from the Massachusetts Institute of Technology, where he explored new treatment options for brain tumors using Boron Neutron Capture Therapy. Dr. Lee attended medical school at Tufts University School of Medicine, where he would also complete his internship, before completing his residency at the University of California, San Francisco, where he would eventually serve as chief resident.
Dr. Lee certified by the American Board of Radiology, and he is a Diplomat of the American Society of Therapeutic Radiation Oncology. He is a multi-year “Top Doc” honoree by Phoenix Magazine.
"Dr. Lee and all personnel are very good the Dr. explained with details my problem and all personnel are professional and treated me with care." -Sylvia
"Dr. Lee was great, kept us updated with treatment. Checking how everything thing was going & answered all questions. The staff was always very will to help! Thanks again!!!!!!!!!!" -Tom
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.
"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
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.
Robin is a certified nurse practitioner at the Arizona Center for Cancer Care, working alongside Dr. Parmjeet Banghar. She obtained her Bachelor of Science in Nursing at Ameritech College of Nursing in Draper, Utah, and completed her Master of Nursing at Grand Canyon University, as an Acute Care Nurse Practitioner, with an emphasis on Adult Gerontology.
Prior to becoming a nurse practitioner, Robin worked as a registered nurse for Virginia G. Piper Cancer Care. Having extensive experience working in oncology/hematology, she understands the importance of providing a patient-centered approach. Robin is passionate about providing individualized treatment plans and promoting patient advocacy.
In her spare time, Robin enjoys spending time with her family. Shehas three adult children, two boys, Gabriel and Rowan, and one daughter Baylee. She also has an Aussiedoodle, named Bajie. She loves to travel, explore the outdoors, and on occasion play a round of golf.
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. Sigalove specializes in treating both benign and malignant diseases of the breast. Experienced in minimally invasive techniques, she focuses on care with compassion, and emphasizes the team approach in fighting cancer. She strives to achieve the most optimal treatment with the best possible cosmetic outcome.
Dr. Sigalove has helped advance novel surgical techniques that minimize pain, maximize recovery, and enhance the appearance of the breast whether that is in the setting of lumpectomy or mastectomy. She holds multiple publications on nipple-sparing mastectomy with pre-pectoral reconstruction and has lectured extensively on this topic both nationally and internationally.
Dr. Sigalove has held the position of Breast Program Director at Northwestern Medicine Central DuPage Hospital and was Health System Clinician at Northwestern University Feinberg School of Medicine. She was selected by her peers as “Top Breast Cancer Surgeon” in Phoenix Magazine in 2023, “Top Cancer Doctor” in Chicago Magazine in 2017, and was chosen as “Top Doctor” by Castle Connolly in 2014 and 2017.
Certified by the American Board of Surgery, Dr. Sigalove completed her surgical residency at Rush Medical Center and Cook County Hospital in Chicago. She graduated from Rush Medical College and obtained her undergraduate degree in Neurobiology and Physiology from Northwestern University.
In her spare time, Dr. Sigalove loves to garden and hike with her husband and dogs, and she looks forward to every single visit of her now grown twins.
"I was diagnosed with breast cancer that had traveled to my lymph node in December 2021. Dr Sigalove's approach was absolutely professional. She explained the diagnosis by listening to my concerns and questions in a very thorough patient and caring manner, while outlining her best recommended approach for treatment. Dr. Sigalove completed my surgery to remove the cancerous tumor in February 2022. The surgical procedure went without a hitch and left little scarring. I was absolutely pleased with the care I received from Dr. Sigalove. I highly recommend her in the unfortunate event you are ever diagnosed with cancer. Happy to inform, I am in remission and my mammograms have been clean. I feel my best decision in finding a qualified surgeon for treatment was when I found Dr. Sigalove. P.S. Staff and timeliness for appointments were also above reproach! Was never in waiting room for more than five minutes!" C. Nelson
"Dr. Sigalove operated on me over a year ago and continues to follow me. She diagnosed cancer before I knew I had it. She has been very supportive and kind following me through my cancer journey. She is very proficient in her field. I could not ask for a more professional caregiver. Her office staff are also very efficient and friendly. I would be happy to recommend her to anyone needing surgery."
A licensed and certified physician assistant, Perry has worked in a variety of healthcare settings throughout her career and particularly enjoys working alongside Dr. Brenda Moorthy at the Virginia G Piper Cancer Care Network Comprehensive Breast Center of Arizona. Perry holds a bachelor's degree from the University of Arizona and a Master of Medical Science in Physician Assistant Studies from Midwestern University.
Perry works closely with patients both in the office and during surgery. She is passionate about patient education and makes sure patient questions are always answered.
When Perry is not caring for patients, she loves spending time with her husband, two children, and Boston Terrier. She also enjoys camping, swimming, traveling, and especially, shopping!
Arizona Center for Cancer Care is a cancer center without walls, offering the best doctors, best treatments, best technologies, and best research to give patients the best care possible. With offices in Avondale, Chandler, Gilbert, Glendale, Mesa, Phoenix, Scottsdale, Surprise, Anthem, Peoria, Fountain Hills, Wickenburg, Apache Junction, Sun City, Sun City West, Goodyear, Prescott Valley, and Tempe, Arizona, the multi-specialty practice cares for more than 30,000 patients across the Valley.
The practice uses the most current treatment options available, including various forms of radiation oncology and medical oncology, and hematology. The center also includes experts in gynecologic oncology and breast surgery and has a newly diagnosed breast cancer clinic.
The board-certified radiation oncologists at Arizona Center for Cancer Care use positron emission tomography/computed tomography (PET/CT) imaging to reveal the presence and severity of cancer and create an effective treatment plan.
Dedicated to providing its patients with the most current drugs and therapies available, Arizona Center for Cancer Care participates in multiple clinical trials.
Cancer is a disease of survivors, and Arizona Center for Cancer Care is keeping it that way.
For comprehensive, high-quality cancer care, call Arizona Center for Cancer Care or schedule an appointment online today. Telemedicine appointments are available.
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. 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. Devinder Singh obtained his MD from the Government Medical College in Patiala (Punjab), India. He completed his internship and residency in Internal Medicine from Wayne State University in Detroit, Michigan. Shortly after, he completed his fellowship in Medical Oncology and Hematology from the City of Hope National Medical Center in Duarte, California in 1992. He is board certified in Internal Medicine, Oncology, and Hematology.
In August of 1992, he founded the Arizona Center for Hematology/Oncology and has been servicing the greater Phoenix area since then with his other medical oncology associates. In 2008, in collaboration with Drs. Biggs, Lee, and Reed, the radiation oncology division was established, and the practice name was changed to Arizona Center for Cancer Care. Among his many accomplishments, in 2019 Dr. Singh received the “Oncology Service Award” from Phoenix Cancer Support Network and was nominated as “Best Doctor in Oncology” by Phoenix Magazine. He is a clinical assistant professor at Midwestern Medical University (Glendale campus) and is actively involved in teaching medical students.
Dr. Singh has been married to his wonderful wife, Randeep, since 1982. They have three beautiful children, two daughters, Raman and Rimpi, and one son, Aman, all attending different universities. They also have two Yorkshire terriers, Rusty and Musty, and a playful cat, Millie. In his free time, Dr. Singh enjoys playing golf.
"Dr Singh is by far the BEST oncologist out there!!! He is very knowledgeable and really cares for his patients!!! My hubby had stage 4 lymphoma cancer in 2005 and Dr Singh saved his life!! My hubby is still cancer free today!!!" -Kirsten
"Dr. Devinder Singh was amazing. Not only having great knowledge in treating cancer but very patient and caring when my husband and I walked this journey. Dr. Singh fought alongside us to the very end, he would call and check on my husband after treatments and procedures, his team helped with any insurance issues and approvals and we always felt very special and like we were family. Thank you so much for making this journey a little easier." -Debra
Dr. Kaplan treats a wide variety of medical oncology, malignant hematology, and benign hematologic disease. She is especially interested in treating breast cancer and general oncology.
Dr. Kaplan enjoys cooking, reading, watching sports, traveling, and spending time with family and her 2 dogs named Penny.
"Dr. Kaplan was a major part of my father-in-love’s cancer treatment and was one of his biggest champions. Her bedside manner was incredibly personalized, kind, and intentional. He couldn’t say enough wonderful things about her. I highly recommend her!" -Leanne
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.
