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.
Caleb attended Grand Canyon University earning his BSN in 2008 and has practiced at various hospitals in Phoenix, AZ. He attended Wilkes University completing his MSN in psychiatric mental health and is currently a board-certified psychiatric mental health nurse practitioner at 2nd Chance Treatment Center. He has been in the Valley of the Sun for over three decades and considers himself a local. Caleb has a true passion for treating various mental health conditions, believing that every individual can achieve their best vision of who they want to be and perhaps more. He strives to provide excellent care based on current research and methods. Furthermore, he endeavors to treat each individual with dignity and respect. He has practiced as a registered nurse for more than 15 years in various roles before transitioning to mental healthcare.
When he isn’t providing care, he may be encountered outside or indoor rock climbing, pursuing his hobby with dedication. He is involved in the local rock-climbing community, where he has served as a guide and continues to provide instruction for PCGI. Personal recreation is an essential aspect of physical health that Caleb often integrates into treatment, as a healthy body creates a more resilient mind, increasing the capacity for mental healing.
Caleb’s true passion is celebrating and supporting his wife and four children. He shares in their personal hobbies and interests, and they share in his. You may see them on the trails, mountain biking, climbing, or camping.
Melissa Austin, MD, is a board-certified obstetrician and gynecologist at North Valley Wellness in Glendale, Arizona. As an Arizona native, Dr. Austin gives women in her home state top-notch, women-led holistic care.
Dr. Austin’s educational background includes attending medical school at the University of Arizona in Tucson, Arizona. After graduation, she completed residency training in obstetrics and gynecology at Banner Good Samaritan Medical Center, a top-ranked hospital in Phoenix, Arizona.
Once in practice, Dr. Austin earned her certification from the American Board of Obstetrics and Gynecology. At North Valley Wellness, she provides her patients with the routine care they need, like pelvic exams and diagnostic testing, as well as treatments for conditions like polycystic ovary syndrome.
Dr. Austin specializes in caring for high-risk pregnancies, including multiple gestations, preeclampsia, and diabetes. She also routinely performs minimally invasive and robotic surgeries using the daVinci® robotic system.
Outside the office, Dr. Austin enjoys spending time with her spouse, Alex, their twin children, and two Labradors. She loves taking her kids to the park, traveling, watching movies, and caring for her health with CrossFit and cycling.
Dr Balakrishnan is a cardiologist and clinical cardiac electrophysiologist at Arizona Heart Arrhythmia Associates. He is thorough, compassionate, and unwavering in his commitment to providing quality care for his patients.
Dr Balakrishnan was born and raised in Coimbatore, India. He completed his medical degree from Coimbatore Medical College and Hospital, India, and moved to the United States to pursue further medical training. He completed his Internal Medicine residency at the University of Arizona College of Medicine - South Campus and his Cardiology and Clinical Cardiac Electrophysiology fellowships at the University of Arizona College of Medicine - Tucson Campus hospitals. He is the recipient of several awards throughout his training, including outstanding performance in Cardiology and Electrophysiology, outstanding graduating fellow in Cardiology, and the Mark J. Friedman Outstanding Fellow Award. He also served as the chief fellow during his Cardiology fellowship at the University of Arizona. He has authored numerous publications in Cardiology and Electrophysiology and has presented at several national and international conferences.
Dr Balakrishnan joined the practice in 2024. He is trained in complex device implants, ablation of atrial and ventricular arrhythmias, and laser lead extractions.
Mohamed Abdelrahman, MD, is a cardiologist and clinical cardiac electrophysiologist at Arizona Heart Arrhythmia Associates, with locations in Phoenix, Avondale, Tempe, Chandler, Sun City, Dewey, and Prescott Valley, Arizona. Dr. Abdelrahman joined the team in 2020 and is well-known for his exceptional rapport and dedication to his patients. He strives and is committed to providing compassionate, sincere, and honest patient care.
Dr. Abdelrahman was born and raised in Cairo, Egypt. He earned his medical degree from Ain Shams University, one of the oldest and most prestigious medical schools in Egypt. He then pursued further medical training in the United States and completed his internal medicine residency at the University Hospitals in Cleveland, Ohio, and his cardiology training at Geisinger Medical Center in Pennsylvania. During his training, Dr. Abdelrahman was acknowledged by receiving multiple awards, including the Fellow of the Year award and the award for Academic Excellence.
To further his training, Dr. Abdelrahman completed his cardiac electrophysiology training at Weill Cornell Medical Center in New York. He was specially trained in advanced electrophysiology diagnostic and management techniques, including complex ablation of atrial and ventricular arrhythmias and robotic-assisted mapping and ablation. He also trained in complex device implantation, including biventricular devices, bundle pacing subcutaneous defibrillators, leadless pacemakers, and complex laser lead extraction.
Dr. Abdelrahman also actively participates in research and is a fellow of the American College of Cardiology. He has authored numerous manuscripts and abstracts and has presented in multiple national and international cardiology and cardiac electrophysiology meetings.
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.
Banner Estrella Medical Center, Chief of Cardiology 2023 to present
Abrazo Hospital
Shishir Murarka, MD, is the Chief of Cardiology at Banner Estrella Medical Center.
Dr. Murarka is a board-certified interventional cardiologist at Affiliated Cardiologists of Arizona in the Phoenix and Goodyear locations. He is a young cardiologist with excellent clinical skills and patient rapport. He offers a fresh approach to cardiovascular care.
Dr. Murarka completed his training at the University of Maryland Prince George's Hospital Center in Cheverly and Banner University Medical Center in Phoenix, Arizona.
He is board-certified in interventional cardiology, cardiovascular disease, internal medicine, and nuclear cardiology. Dr. Murarka has co-authored more than 20 publications in various medical journals, over a dozen abstracts, and two book chapters in the subjects of percutaneous mitral valve repair and recanalizing total occlusion in the periphery.
He is currently accepting new patients and looks forward to helping them on their health care journey.
Dr. Faran Bashir received his training at the Cleveland Clinic Foundation in Cleveland, Ohio, University of California, Irvine, and the University of Colorado in Denver. Dr. Bashir is board certified in the fields of cardiovascular diseases, Nuclear and Interventional Cardiology. Additionally, he has received specialized training in the performance of intracardiac echocardiography, percutaneous closure of patent foramen ovale and atrial septal defects, valvuloplasty and Watchman device implantation. He has presented several studies at national Cardiology meetings and has published many journal articles in major Cardiology journals.
Dr. Bashir is currently serving as Chief of Cardiology and CVT Surgery at Banner Estrella Medical Center. He also holds the position of Clinical Assistant professor of Medicine at Banner University Medical Center – Phoenix. He is a member of faculty both in the Cardiology as well as Interventional Cardiology Fellowship Programs and is actively involved in teaching future cardiologists. Dr. Bashir’s clinical skills are outstanding and he will be happy to provide timely and professional care.
Dr. Bashir is currently accepting new patients. Schedule an appointment by calling the office or booking a consultation online today.
Mohammad Nasser, MD, founder of Leading MDs in Goodyear, Tempe, Sun City, and Mesa, Arizona, is a board-certified internal medicine physician and population health specialist. Dr. Nasser has a special interest in complex patient care, gaining extensive experience as a hospitalist and internist providing care in hospitals, long-term acute care centers, and subacute rehabilitation.
With a well-known reputation as an exceptional health care innovator, Dr. Nasser creates and implements programs that improve the quality of care and diminish costs for hospitals and skilled nursing facilities.
Born and raised in Michigan, Dr. Nasser received his bachelor’s degree from Wayne State University in Detroit Michigan. After receiving his medical degree at the American University of the Caribbean School of Medicine in Sint Maarten, he completed his internship and internal medicine residency at Ascension Providence Hospital, Michigan State University College of Human Medicine in Grand Rapids, Michigan.
Dr. Nasser is known for numerous accomplishments in his field. He was the medical director at Arkos Health and managed more than 200,000 patients through his transitional care management program.
During his tenure at Arkos Health, Dr. Nasser developed an inpatient program that shortened hospital stays and mobilized patients to the next level of care. He also implemented a skilled nursing program that improved the post-discharge process.
As a respected author, Dr. Nasser published articles in medical journals as well as the well-known book, “Management of Chronic Kidney Disease.” He also served as a manuscript reviewer for medical journals, including the Journal of the American College of Cardiology.
Dr. Nasser is a proud member of the Phoenix community, where he welcomes patients and is highly regarded for his quality of care and leadership roles.
“I’ve seen Dr. Nasser for a few months, and right from the first visit he was trying to problem solve ways to get my (many) health issues better managed. He is very attentive during the visit, is always on time, and has gone above and beyond! I would highly recommend Dr. Nasser and his practice.”
Board-certified internal medicine physician, William Nassour, MD, provides integrative health care at Leading MDs in Goodyear, Tempe, Sun City, and Mesa, Arizona. His expertise includes all aspects of adult health care, however, he has a special interest in cardiovascular disease, diabetes, geriatrics, and post-acute care.
Dr. Nassour is well-respected for go-to advice, with peers seeking his assistance and guidance in geriatrics and post-acute care, and patients depending on his understanding to provide honest evaluations and recommend individualized care.
Dr. Nassour received his medical degree from Tishreen University in Latakia, Syria, and completed his residency training in internal medicine at the New York University Langone Health in Brooklyn, New York.
With more than a decade of experience as a practicing physician in hospital medicine, including outpatient and subacute care, Dr. Nassour has developed extensive knowledge and skills that help him better understand each patient and create effective treatment plans.
He has successfully filled leadership roles as the medical director in different medical settings. He also remains active on various hospital committees.
Dr. Nassour welcomes new and current patients at Leading MDs, where he collaborates with each person to improve their health and well-being.
“Dr Nassour was very concerned with the fact I when came in I was diagnosed with strep throat and am allergic to penicillin. He found the correct antibiotic to treat this and gave me detailed instructions for caring for myself”
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
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.
"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.
"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. 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. 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
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.
"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
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