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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.

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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. Clarence Adoo specializes in hematology, oncology and internal medicine. He joined Arizona Center for Cancer Care in 2008. Dr. Adoo is a member of the American College of Physicians/American Society of Internal Medicine, American Association of Blood Banks, American Society of Hematology and American Society of Clinical Oncologists amongst others. 

Dr. Adoo has publications in several journals and authored many chapters in books, including Acute Myeloid Leukemia, Alternative Management Strategies in Alloimmunized Thrombocytopenic Patients, Infection in the Neutropenic Host, Management of infection in Oncology Patients and Adult Leukemia: American Cancer Society Atlas. In addition to his published work, Dr. Adoo has participated in several presentations at the Hematology Oncology Fellowship Program, National Institute of Health, Leukemia and Lymphoma Society/Cure for Lymphoma Association and Phoenix Veterans Affairs Hospital.

He has been honored as a fellow by the American College of Physicians and lauded by America’s Registry of Outstanding Professionals, among other honors.

Patient Reviews:

"He was the best. always listened to me and addressed the issue. Vary caring." -Cliff

"We are amazed at how Dr. Adoo makes us feel, very welcoming, is ready to answer any questions we have and even calls other drs if necessary. His bedside manner is the best we have had from any doctor. We would recommend him to anyone and everyone needing a Dr. with his experience." -Casimir

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.     

Patient Reviews:

"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. 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.

Patient Reviews:

"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

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.

Patient Reviews:

"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

"Excellent Hematologist/Oncologist!!!" -Medi

After graduating from a premier medical school in India, Dr. Fernandes continued her training in Internal Medicine and obtained advanced training in the treatment of blood and cancer disorders in the United States. She was awarded an international prestigious scholarship from the European Society of Medical Oncology and spent time as a visiting fellow in Medical Oncology in Spain. 

Her areas of expertise include breast cancers in addition to treating other cancer disorders such as colon cancer, lung cancer, melanoma/skin cancers and blood disorders such as anemias, iron deficiency disorders, abnormal blood counts. She serves as a section editor for Breast Cancer on hemonc.org, an internationally accessed online resource for cancer physicians. She has presented cancer research at national and international cancer meetings in the United States and Europe and volunteers with the American Society of Clinical Oncology for peer review activities.

Dr. Fernandes believes in providing compassionate, exceptional and cutting-edge care to her patients. She strives to provide the most personalized treatment plan for her patients while taking into consideration their unique needs. Having had family members who have also been stricken with cancer, she understands and empathizes with the needs of caring for a loved one with cancer.

Dr. Fernandes enjoys spending time with family, travel, running, and watercolor painting.

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

Dr. Stephanie Lindauer specializes in Medical Oncology, Hematology and Internal Medicine. Her clinical interests include breast cancer and benign breast disease, gastrointestinal cancer and cancer survivorship.

Dr. Lindauer joined Arizona Center for Cancer Care in 2018. She has held a variety of leadership roles. She was Chief Resident of the Department of Internal Medicine, serving an additional year after completing her residency in San Antonio. She also served as Chief Fellow during her last year of fellowship in San Antonio. Dr. Lindauer has several abstracts and poster presentations at local and national meetings, including ASCO Survivorship Symposium, ASCO Quality Care Symposium and ASH Hematologic Malignancies. She is passionate about engagement within her community and has presented at Updates for the San Antonio Community from the San Antonio Breast Cancer Symposium in 2017.

Dr. Lindauer was drawn to the field of oncology from a young age, having seen the effects of cancer in loved ones. She feels honored to be able to fulfill such an important role now and strives for compassion and empathy with all her patients.

Dr. Lindauer is a member of the American Society of Clinical Oncology and American Society of Hematology. She enjoys spending time with her husband and her chocolate lab.

Patient Reviews:

"I have been seeing Dr. Lindauer for over 2 years. She came highly recommended to me by my Lymphedema Therapist. Dr. Lindauer has been very professional, compassionate and patient with me in informing me of my treatment plan for a rare form of cancer." -Vanessa

"I have been seeing Dr. Lindauer for a year now. I'm so glad my breast surgeon Dr. Naomi Sigalove recommended her. She is very compassionate about her patients. She works with all of my other Doctors to insure that I received the best possible care. She never rushed me through a visit and answered all of my questions. Her staff is awesome to. From the front desk to the treatment area. I can't tell you enough how wonderful everyone really is. I will miss everyone in the office when my treatment is over." -Mary

• Internal Medicine
• Cardiovascular Medicine
• Interventional Cardiology
• Endovascular Medicine
• Echocardiography
• Nuclear Cardiology

• Banner University Medical Center
• Chandler Regional Medical Center
• St. Joseph's Hospital
• Mercy Gilbert Medical Center
• Banner Estrella Medical Center
• Banner Desert Medical Center
• Cardiac Cath Lab of Phoenix
• Abrazo Hospital
• Arizona Heart Hospital
• Promise Hospital of Phoenix

Zaher Akkad, MD, FACC, is a cardiologist at Affiliated Cardiologists of Arizona, with four locations in Phoenix, Maricopa, Goodyear, and Chandler, Arizona. Dr. Akkad holds multiple board certifications, including internal medicine, cardiovascular disease, interventional cardiology, nuclear cardiology, and echocardiography, as well as Endovascular Medicine.

Dr. Akkad was trained at Wayne State University-affiliated hospitals in Detroit, Michigan. Before joining Affiliated Cardiologists of Arizona, Dr. Akkad was an Assistant Professor of Internal Medicine and Cardiology at Wayne State University. During this time, he was the Interim Director of the Echocardiography Lab. 

He has published multiple textbook chapters in the fields of cardiomyopathy, myocarditis, and congestive heart failure.

Dr. Akkad’s clinical skills are outstanding. He is a multi-talented cardiologist, he is experienced in all aspects of non-invasive cardiology, including echocardiography, transesophageal echo, and nuclear cardiology. He is a fully-trained interventional cardiologist with superb skills in all aspects of cardiac Catheterization and stents also endovascular, carotid and peripheral interventions as well as pacemaker implantation. He is experienced in Structural Cardiac interventions including TAVR and  Watchman procedures. 

Dr. Akkad is very compassionate and has exceptional patient skills. His philosophy is to treat his patients as if they are family and provides prompt, cutting-edge, and evidence-based treatments. He is currently accepting new patients and eager to help them get healthy as soon as possible. Please check the testimonials from some of our patients below.  On behalf of Dr. Akkad and his team, we look forward to taking care of you.

Soy cardióloga que habla español.

Testimonials

Dr. Kamalani Hanamaikai, DO, is a distinguished board-certified Diplomate of the American Board of Radiology, specializing in Vascular and Interventional Radiology. He is currently serving patients at HealthyU Clinics, with locations in Surprise, Paradise Valley, and Gilbert, Arizona.

Born and raised in Provo, Utah, Dr. Hanamaikai is of Hawaiian, Japanese, and Navajo descent, enriching his perspective and approach to patient care. He is fluent in Spanish, a skill honed during his LDS mission in Montevideo, Uruguay. After earning his undergraduate degree from Brigham Young University in Provo, Utah, he pursued his medical education at the A.T. Still University College of Osteopathic Medicine in Mesa, Arizona, graduating in 2014.

Dr. Hanamaikai furthered his medical training at The University of Arizona in Tucson, where he completed his internship in Internal Medicine, Residency in Diagnostic Radiology, and Fellowship in Vascular and Interventional Radiology. He has developed expertise in a wide range of advanced Interventional Radiologic procedures, including atherectomy, interventional oncology, interventional pain, vertebral augmentation, musculoskeletal procedures, trauma management, and many other advanced Interventional Radiologic procedures.

Beyond his clinical practice, Dr. Hanamaikai is passionate about education and knowledge sharing. He serves as a professor of Medical Imaging and Anatomy at his alma mater, A.T. Still University. He has also been a Grand Rounds speaker at The University of Chicago in 2022 and a keynote speaker at the Radiology Expo 2022, where he shared his journey and passion for Radiology.

As a member of the American College of Radiology, Society of Interventional Radiology, and Outpatient Endovascular and Interventional Society, Dr. Hanamaikai is committed to staying at the forefront of his field. His unique blend of cultural and professional expertise in Diagnostic and Interventional Radiology allows him to provide empathetic, comprehensive, personalized care to his patients. He is dedicated to incorporating the latest advancements in his field to ensure his patients receive the highest standard of care.

Dr. Shantha Kumar is an interventional cardiologist specializing in Interventional Cardiology and Adult Cardiology. He received his medical degree from Bangalore Medical College and has been in practice for more than 20 years. Dr. Kumar is qualified to deliver comprehensive care for your cardiovascular system and heart. Dr. Kumar may see patients for symptoms like difficulty breathing, dizziness or chest pain. Cardiovascular issues that may be identified and cared for by a cardiologist can include congenital heart defects, angina, arrhythmia, heart failure, rheumatic heart disease, heart aneurysms and coronary artery disease.

Dr. Divyashree Varma is a Clinical Cardiac Electrophysiologist based in Phoenix, Arizona, where she has been in practice since 2020. Born in India and raised in New Delhi, Dr. Varma completed her medical education at Padmashree Dr. D. Y. Patil Medical College in Navi Mumbai, Maharashtra, graduating as Valedictorian with honors in all subjects.

She moved to the United States for advanced training, completing her Internal Medicine residency at SUNY Upstate Medical University in Syracuse, New York, followed by a Cardiovascular Diseases Fellowship at UT San Antonio. She then pursued subspecialty training in Clinical Cardiac Electrophysiology at William Beaumont Hospital in Michigan.

Dr. Varma specializes in the full spectrum of cardiac electrophysiology, including complex catheter ablations, cardiac device implantation, left atrial appendage occlusion (LAAO), and the diagnosis and management of channelopathies and genetic arrhythmia disorders. Her professional interests focus on patient-centered clinical care and clinical research aimed at advancing treatments for cardiac arrhythmias. Outside of medicine, Dr. Varma enjoys spending time with her family and her dogs. She also enjoys cooking and gardening.

Dr Khosla is fellowship trained in
interventional pain management,
functional & regenerative medicine. He is
also board certified in multiple specialities
such as neurocritical care, headache
medicine, orthopedic regenerative
medicine and is also a certified brain
injury specialist.

He provides an array of pain treatments
such as platelet-rich plasma (PRP), stem
cell regenerative therapies along with
prolotherapy, epidurals, radio-frequency
ablations, peripheral nerve blocks, joint
injections, spinal cord stimulators, vertiflex
interspinous spacer implants,
percutaneous laser disc discectomy
(LASE), and more.