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.
Thaslim Kassim, MD, FACC, is a board-certified cardiologist at the Cardiovascular Clinic of Arizona in Tempe, Arizona. He is highly skilled in all areas of cardiology, with more than a decade of experience.
Dr. Kassim completed medical school, including a one-year rotatory internship, at TD Medical College in India. Afterward, he gained clinical experience at the Regional Cancer Center and Primary Health Center in India. He then completed an internal medicine residency and a cardiovascular medicine fellowship as a chief cardiology fellow at Howard University Hospital in Washington D.C.
Dr. Kassim is board-certified in internal medicine and general cardiology by the American Board of Internal Medicine. He’s also certified by the National Board of Echocardiography and the Board of Nuclear Cardiology.
Dr. Kassim specializes in transthoracic, trans-esophageal, and stress echocardiograms, as well as nuclear stress testing, peripheral vascular ultrasounds, coronary angiograms, heart catheterization, and pacemaker placement.
He has extensive research experience, having published numerous studies in prestigious medical journals and presented at medical conferences nationwide.
Dr. Kassim is a member of the American College of Cardiology, American Heart Association, American Society of Echocardiography, American Society of Nuclear Cardiology, the Heart Failure Society of America, and Society of Cardiovascular Computed Tomography.
He welcomes new and existing patients to the Cardiovascular Clinic of Arizona and looks forward to improving their heart health.
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.
Patrick lives in Gilbert, AZ and is thrilled to bring his skillset closer to home. Patrick’s undergraduate degrees in Neuroscience and Psychology were attained at Washington State University, for which he was awarded the ‘Honored Graduate’ upon commencement and was the department representative for the College of Veterinary Medicine, Comparative Anatomy, Pharmacology, and Physiology. After a brief career in histopathology, nanoparticle research, and bioengineering, he moved to Boston to begin managing the Special Chemistry and Infectious Disease departments of the highest volume clinical laboratory in the country. He still provides laboratory direction and oversight for in-office labs.
From the Northeast, he took his experience to matriculate to a graduate program in Physician Assistant Studies at A.T. Still University in Mesa, AZ. He is a board-certified Physician Assistant. Arizona has been home ever since. Patrick practiced the majority of his career in Internal Medicine and as a consultant for various specialty clinics in Arizona and Oregon. Clinical innovations and telemedicine are his primary focus, as delivering upon the need for more affordable and accessible patient-centered healthcare with maximum efficacy and efficiency is his passion.
Additional educational experience includes certification in Cognitive Behavior Therapy (CBT) from the Beck Institute, clinical doctorate studies in Behavioral Health at Arizona State University, and graduate business school at Harvard. Patrick is a member of the American Psychological Association, an International Member of Psi Chi, the Association of Physician Assistants in Psychiatry, the Harvard Extension Business Society, and the American Society for Men’s Health.
Dominika Zoltowska, MD, FACC, is an accomplished and affable cardiologist. She’s a proud member of the team of renowned physicians At Arizona Heart Rhythm Center, serving patients in their locations of Phoenix, Sun City (Peoria) and Prescott, Arizona.
Dr. Dominika Zoltowska received her medical degree from the Medical University of Gdansk in Gdansk, Poland, where she graduated Summa Cum Laude in 2013. Dr. Zoltowska then completed her residency in Internal Medicine from Western Michigan University in Kalamzoo and her Fellowship in Cardiovascular Diseases at the University of Florida College of Medicine.
While in Florida, she developed a passion for clinical excellence and research by participating in various studies to reduce events in non-obstructive coronary artery disease.
Her areas of interest include coronary artery disease, peripheral artery disease, venous reflux disease, adtult congenital heart disease, heart failure, advanced echocardiography, nulear cardiology, and preventative cardiology.
Dr. Dominika Zoltowska is a fellow of the American College of Cardiology. She is certified by the American Board of Internal Medicine in cardiovascular diseases. Dr. Zoltowska is also certified in Physicians Vascular Interpretation (RPVI). She is a member of the American Society of Echocardiography and the American Society of nuclear cardiology.
Dr. Zoltowska believes the relationship between a physician and patient is sacred, and they should work closely together to accomplish the desired healthcare goal. She considers her principal role is to provide the patient with the lates, accurate information about their condition or diagnosis and clearly define options of treatment that are currently available in managing their particular situation.
Vijay Swarup, MD, FACC, FHRS, is one of the physicians at Arizona Heart Rhythm Center, which has locations in Phoenix, Peoria, Gilbert, and Prescott, Arizona. He has been practicing clinical cardiac electrophysiology in Arizona since 2002. Before joining the practice, he completed a fellowship in clinical cardiac electrophysiology at the University of Chicago Hospitals and Loyola University Medical Center in Chicago, Illinois.
Dr. Swarup earned his bachelor's and medical degrees at the University of Delhi in New Delhi. He continued his education at St. Louis University School of Medicine, completing an internal medicine residency and a research fellowship in molecular cardiology. He completed a Cardiovascular Disease fellowship at the Thomas Jefferson University Hospital in Philadelphia. He then pursued a clinical cardiac electrophysiology fellowship at the University of Chicago Hospitals and Loyola University Medical Center in Chicago, Illinois.
Dr. Swarup has received specialized training in performing complex arrhythmia treatments, including trans-catheter ablations. He has a special interest in three-dimensional electroanatomical mapping techniques, left atrial appendage occlusion techniques, and ablative therapies for atrial fibrillation and ventricular tachycardia.
In Arizona, Dr. Swarup was among the first to perform epicardial and endocardial 3D mapping guided ablation of ischemic ventricular tachycardias, open irrigated ablations, robotic catheter ablations for arrhythmias, and implantation to left atrial appendage occlusion devices. Dr. Swarup has some of the most extensive experience in AF and VT ablations and implantation of LAA occlusion devices in the country. Dr. Swarup is also an active researcher of new ablation techniques, having authored numerous abstracts and manuscripts. He has been the principal investigator in many research protocols investigating promising new ablation techniques and devices for the treatment of arrhythmias.
Dr. Swarup is board certified in cardiovascular diseases and clinical cardiac electrophysiology.
Ijaz Ahmed, MD, MS, RRT, joined Arizona Chest & Sleep Medicine in July of 2022 as a Transitional Training Physician. He is a transitional training physician to join our group, receiving approximately 50 hours per week of medical education under the supervision of Dr. Muhammad Raza, who is board-certified in internal medicine, critical care medicine, and pulmonary disease by the American Board of Internal Medicine. Dr. Ahmed completed his undergraduate education at Allam Iqbal Medical College in Lahore, Pakistan. He then obtained his master’s in clinical science, majoring in Pulmonary Rehabilitation from the University of Texas Medical Branch in Galveston, Texas. He served as Director of Respiratory Care & Director of Allied Health at several institutions.
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. Sanjeev Gopal is a board-certified specialist in medical oncology and hematology with Arizona Center for Cancer Care and Virginia G. Piper Cancer Care Network.
With offices in Apache Junction, Mesa and Gilbert, Dr. Gopal is committed to providing the highest level of care with a priority of treating each patient and their families with utmost respect. It is important to Dr. Gopal to not only prolong lives of his patients, but to improve the quality of their lives.
"Dr Gopal is fabulous! He is really focused on you and what you are going through! Compassionate and knowledgeable!" -Pat
"Dr. Gopal and his staff are without a doubt the EXCEPTION TO TODAY'S IMPRESSION OF MEDICAL PROVIDERS! Dr. Gopal obviously took the time to hire his staff, because they are just as compassionate, caring, kind and loving as him. Trust me, I am qualified to make these statements; not my first rodeo, ya'll. I don't typically take the time for reviews, but for Dr. Gopal, I absolutely will make an exception as he deserves all the recognition for who he simply is, as a person (I think). Dr. Gopal took a personal interest in my care from the moment I was referred to him. "Bedside manner?" Dr. Gopal treated me like a "person" he cares for, like family. Therefore, that term is not relevant. If you ask me, that is a good thing!...' -Heidi
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.
"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.
"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.
"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.
"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. Singavi’s clinical interests include solid tumors and hematologic disorders (both malignant and non-malignant – thrombotic/bleeding disorders/etc.). His special interests include breast cancer, gastrointestinal cancers, brain tumors, and lung cancer.
When not working, Dr. Singavi enjoys spending time with his family, traveling, and watching sports.
"My father has been a patient of Dr Singavi for 3 years. Dr Singavi is an absolute gem! He is compassionate and very knowledgeable. He takes his time to listen to patient concerns and help the patient/family understand the treatment plan. I can’t say enough how grateful I am my father is in his care. It’s so rare to find a doctor that is both skilled in his field and has top notch bed side manor. Dr Singavi is both!!" -Laura
"Dr. Singavi is the most amazing Dr. He is kind, compassionate, and takes all the time in the world to make sure you understand your condition, and your treatment plan. His entire office staff is also very compassionate and carring. If you have to see an Oncologist, and let's face it, nobody wants to, Dr. Singavi and his staff are the people you want to be with during your care." -Sandy
Dr. Cory Heal is a radiation oncologist who has expertise in a full breadth of radiation oncology treatments for both malignant and benign diseases in children and adults.
Before joining Arizona Center for Cancer Care, Dr. Heal received a Bachelor of Science from Brigham Young University and his Medical Doctorate from Drexel University. He then completed an internship in Internal Medicine at Abington Memorial Hospital and a residency in radiation oncology at the University of Arizona, where he served as Chief Resident.
Dr. Heal specializes in the treatment of malignancies of the breast, prostate, lung, skin, head and neck, gynecological tract, gastrointestinal tract, central nervous system, hematologic/lymphatic systems, and musculoskeletal systems. He also treats a wide array of benign diseases that benefit from radiation. Dr. Heal utilizes the latest treatment techniques in his practice, including Stereotactic Radiosurgery (SRS), Intensity Modulated Radiation Therapy (IMRT), Image-Guided Radiation Therapy (IGRT), PLUVICTO, LUTATHERA, and Stereotactic Ablative Radiotherapy (SABR/SBRT). Dr. Heal has additional specialized training and research interests in the use of HDR brachytherapy for several anatomic sites. His other research interests include patient safety and quality improvement.
An Arizona native who grew up in the East Valley, Dr. Heal feels privileged to serve the community he loves. He always seeks to be an advocate for his patients as he guides them through treatment. He enjoys the lasting relationships he develops with his patients and their families and feels honored to take part in their care.
Dr. Heal and his wife, Emily, have four children. Outside of medicine, Dr. Heal loves spending his free time being a dad, cooking new foods in the kitchen, and making memories with his family outdoors.
"Dr. Heal and his team were so thorough and thoughtful with explanations which reduced my anxiety and made daily radiation appointments very easy to manage!" -Wendy
"Couldn't be more satisfied with Dr. Heal. He's a wonderful person both personally and professionally, making sure to explain every aspect of the treatment for my brain cancer, as well as being an all-around good guy! I'm a lucky man." - Daniel
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