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Sundarone Thihalolipavan, MD, or Dr “T” for short, is a cardiac electrophysiologist at Arizona Heart Rhythm Center, which has locations in Phoenix, Peoria, Gilbert, and Prescott, Arizona.

Dr. T completed advanced fellowships in cardiovascular disease and cardiac electrophysiology at Ochsner Medical Center in New Orleans, Louisiana. Dr. T has a particular interest in the treatment of complex arrhythmias. He has extensive training and experience in catheter ablation of atrial fibrillation, premature ventricular complexes/ventricular tachycardia, left atrial appendage occlusion techniques, and other cardiac arrhythmias. He also has expertise in the implantation of pacemakers, defibrillators, and biventricular devices (cardiac resynchronization therapy). 

Prior to relocating to Arizona from Little Rock, Arkansas, Dr. Thihalolipavan created one of the busiest electrophysiology practices in the country. His success there was attributed to exemplary patient care, a kind bedside manner, and excellent procedural outcomes. He was the first in the state to perform epicardial ablations and perform fluoroless (radiation-free) ablation procedures. Additionally, research and teaching are among his ongoing interests, and to date, he has peer-reviewed publications in the management of atrial fibrillation and is currently enrolled in multi-center international clinical ablation trials. Finally, he has an active consulting role with major medical device companies. 

Dr. Thihalolipavan was recruited to the Arizona Heart Rhythm Center and was drawn to Arizona to be closer to family.   

Dr. T was a ‘high honors’ graduate from Ross University School of Medicine and completed his internal medicine residency at Drexel University College of Medicine/Hahnemann University Hospital in Philadelphia, Pennsylvania. He also served an additional year as chief resident there. While pursuing his clinical training, Dr. Thihalolipavan achieved awards for excellence in clinical and academic arenas.  

Above all, Dr. Thihalolipavan believes that compassionate care begins with a patient-focused approach, as he incorporates clear and concise communication into his practice. 

Dr. Thihalolipavan is board-certified in internal medicine, cardiovascular diseases, echocardiography, and clinical cardiac electrophysiology.

Manish Sahni, MD, is a trusted internal medicine specialist at Centra Internal Medicine in Sun City and Phoenix, Arizona. Dr. Sahni has a distinct passion for preserving his patients’ health and well-being through high-quality medical care in a welcoming environment. He keeps communication open so his patients feel comfortable approaching him with questions about their conditions and feel confident in their decisions during treatment.

From a young age, Dr. Sahni knew he wanted to explore science through a career in medicine. He is the first doctor in his family and boasts an extensive educational background in his field. He earned his medical degree in Delhi, India, from the All India Institute of Medical Sciences.

After graduating, he moved to New York to complete his residency in internal medicine at Long Island College Hospital. After finishing his residency in 2004, he became certified by the American Board of Internal Medicine.

At Centra Internal Medicine, Dr. Sahni diagnoses, manages, and treats conditions in nearly every part of the body. His expertise includes chronic kidney problems, diabetes, hypertension, dementia, weight management, and more. He strives for excellence in giving personalized care to his patients and working alongside them to achieve each of their treatment goals.

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. 

Shani Saks, DO, MS, FACOI, is an experienced cardiologist with the team at Arizona Heart Arrhythmia Associates, with locations in Phoenix, Avondale, Tempe, Chandler, Sun City, Dewey, and Prescott Valley, Arizona. She specializes in general cardiology, treating conditions such as high cholesterol, diabetes, heart disease, and chest pain. Dr. Saks is especially well-versed in treating acute coronary syndrome, heart blocks, high blood pressure, and unstable angina.

Dr. Saks received her medical degree from Michigan State University College of Osteopathic Medicine in East Lansing, Michigan. Dr. Saks continued her medical education by completing an internal medicine residency at the Pontiac Osteopathic Hospital, where she served as Chief Medicine Resident. She also holds an undergraduate and Master of Science degree from Wayne State University in Detroit, Michigan, where she graduated cum laude. Dr. Saks completed additional training with a three-year invasive cardiology fellowship at the Pontiac Osteopathic Hospital in Pontiac, Michigan.

Dr. Saks has received several honors and awards, including Intern of the Year, Wayne State University Merit Scholarship, Michigan Competitive Scholarship, and Howard Hughes Medical Institute Summer Research Fellowship at Wayne State University. Dr. Saks is a Certified Internist by the National Board of Osteopathic Medical Examiners.

Due to significant and premature heart disease in her own family, Dr. Saks has a strong commitment to patient education, reducing the risk of heart disease, preventative medicine, and women’s health, and has served as Director of the Women’s Heart and Wellness Program at Abrazo Heart Institute.

Michelle Zyla, APRN, PMHNP-BC, is a Board Certified Psychiatric Mental Health Nurse Practitioner. She serves patients of all ages and diagnoses at Minds In Balance Psychiatry in Peoria, Arizona. 

Originally from New Jersey, Michelle has been a nurse for over 30 years. Her background and experience in medicine offers her a wealth of first-hand experiences, giving her an unmatched skillset in understanding medical systems and providing mental health care.

Professionally, Michelle has a history of diverse roles in numerous care settings, from working as a Critical Care Nurse in the ICU of the hospital and holding Nursing Leadership positions in the hospital as well as mental health behavioral hospitals. 

Throughout these years of experience, she faced numerous situations where understanding and recognizing a patient’s mental health was essential. 

In these care situations, she developed an unwavering passion for mental health, ultimately leading her to pursue a Post Master’s Degree in Nursing at Maryville University in Missouri, to obtain her Psychiatric Mental Health Nurse Practitioner.

Michelle has a unique ability to connect with individuals, a capacity to understand them, and the empathy to meet them where they are. She is genuine, warm, and exuberant and thrives on seeing others succeed. She is also direct, honest, and to the point.

When working with Michelle, you have a straightforward, dedicated ally on your side.

Charlie Piermarini, PA-C, MSPAS, MS, MPH, is a certified Physician Associate (PA-C) providing individualized care to people of all ages at Complete Injury & Wellness in Phoenix, Arizona. 

After completing his Bachelor of Science and Master of Science from The University of Arizona in Tucson, Arizona, he went on to receive his Master of Public Health and Joint Master of Science Physician Assistant Studies from Touro University in Vallejo, California. 

During this time, Charlie spent his summers as an EMT at Lions Camp Tatiyee in Show Low, Arizona, a special needs summer camp serving physically and mentally challenged children and adults. His passion for medicine was solidified by the experience of caring for individuals there. 

Charlie went on to work as a Physician Assistant at several urgent cares and at different pain management specialists in Arizona, before co-founding and acting as a Physician Assistant and CEO of The Healing Joint and Integrative Medicine in Scottsdale, Arizona. 

He was the Health Center Manager and director of operations at Premise Health at the U-Haul corporate site in Phoenix, Arizona, before joining Clinica Medica Hispana in Phoenix as a clinical manager and Physician Assistant. Charlie co-founded, is COO, clinical director and Physician Assistant at Complete Injury & Wellness in Phoenix.

Charlie is passionate about blending Western and Eastern methods and specializes in procedures like trigger point injections, dry needling, knee injections, and wellness exams that focus on treating the whole patient. 

He holds certifications from the National Commission on Certification of Physician Assistants, The Arizona Regulatory Board of Physician Assistants and the American Heart Association, is a certified health coach through The National Society of Health Coaching, and holds a certification in dry needling through the American Academy of Manipulative Therapy.

Charlie speaks nationally and publishes writings regarding his medical experience using cannabis and CBD. He offers restorative cannabis coaching, founded and is CEO of Restorative CBD, and is the chief medical advisor at Nirvalla CBD, LLC.

Charlie enjoys spending time with his wife and baby boy, staying active, being outside, cooking and always finding new ways to treat his patients like family. 

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. 

Shani Saks, DO, MS, FACOI, is an experienced cardiologist with the team at Arizona Heart Arrhythmia Associates, with locations in Phoenix, Avondale, Tempe, Chandler, Sun City, Dewey, and Prescott Valley, Arizona. She specializes in general cardiology, treating conditions such as high cholesterol, diabetes, heart disease, and chest pain. Dr. Saks is especially well-versed in treating acute coronary syndrome, heart blocks, high blood pressure, and unstable angina.

Dr. Saks received her medical degree from Michigan State University College of Osteopathic Medicine in East Lansing, Michigan. Dr. Saks continued her medical education by completing an internal medicine residency at the Pontiac Osteopathic Hospital, where she served as Chief Medicine Resident. She also holds an undergraduate and Master of Science degree from Wayne State University in Detroit, Michigan, where she graduated cum laude. Dr. Saks completed additional training with a three-year invasive cardiology fellowship at the Pontiac Osteopathic Hospital in Pontiac, Michigan.

Dr. Saks has received several honors and awards, including Intern of the Year, Wayne State University Merit Scholarship, Michigan Competitive Scholarship, and Howard Hughes Medical Institute Summer Research Fellowship at Wayne State University. Dr. Saks is a Certified Internist by the National Board of Osteopathic Medical Examiners.

Due to significant and premature heart disease in her own family, Dr. Saks has a strong commitment to patient education, reducing the risk of heart disease, preventative medicine, and women’s health, and has served as Director of the Women’s Heart and Wellness Program at Abrazo Heart Institute.

Board-certified internal medicine specialist Hamidullah Falla, MD, offers compassionate health care services to patients throughout Sun City, Arizona, and the surrounding area. Dr. Falla and the team at Fala Medical Clinic are dedicated to providing the highest quality of care to their patients. 

Dr. Falla received his bachelor's degree in human biology from the University of Toronto in Toronto, Canada, before earning his medical degree from the Ross University School of Medicine. Following medical school, he completed his internal medicine residency at the State University of New York. 

After vast training, Dr. Falla moved to Arizona in 2009 to live and practice medicine closer to his family. Outside of his work at Fala Medical Clinic, he is also on faculty for the University of Arizona- College of Medicine, Phoenix campus, as well as for NAU and GCU. 

In addition to his superb clinical skills, Dr. Falla is also trained in orthopedics and allergy care for primary care physicians. His patients never spare accolades for the care they get from him.

Experienced mental health expert Kevin Lowrey, PMHNP, BC, is board-certified in child, adolescent, and adult psychiatry. At TimeToday Healthcare in Glendale, Arizona, he provides high-quality care to adults (including elders over 65 and veterans) and children from age 4.

Kevin has over a decade’s worth of experience working as a healthcare professional, and he served as a hospital corpsman in the United States Navy during Operation Iraqi Freedom II and Operation Enduring Freedom.

Kevin’s specialties include anxiety, attention-deficit hyperactivity disorder (ADHD), and anger management. Kevin is also highly experienced in treating patients with substance use disorder and addictions to drugs, alcohol, and gambling.

He also has extensive experience supporting children and adults with conditions ranging from bipolar disorder, depression, and other mood disorders to eating disorders, post-traumatic stress disorder (PTSD), obsessive-compulsive disorder (OCD), and developmental disabilities like autism spectrum disorder (ASD).

Kevin provides expert help to patients struggling with severe symptoms like psychosis, self-harm, and suicidal ideation. He also actively supports people in the LGBTQIA+ community. Kevin combines carefully prescribed medication with a range of talk therapies to create personalized treatment plans for every patient.

In addition to English, Kevin is a fluent Spanish speaker. He welcomes new patients to TimeToday Healthcare, where services are available in person and via telehealth.

Reshmaal Gomes, MD, FACC, MRCP, is a dedicated and compassionate cardiologist. She’s a proud member of the team of renowned physicians at Phoenix Heart, which has locations across the greater Phoenix area – Glendale, Goodyear, Scottsdale, Anthem, Cottonwood, and Black Canyon City, Arizona.

Dr. Gomes earned her doctorate in medicine and surgery from the University of Liverpool School of Medicine in Liverpool, England. She continued her medical training in London, where she completed an internship in general surgery and internal medicine at Mayday University Hospital and a residency in internal medicine, endocrinology, and critical care medicine at the Royal Free Hospital.

Dr. Gomes then turned her attention to emergency medicine, completing an additional fellowship and residency in England. She relocated to the United States to focus on cardiology, completing a residency in internal medicine at the University of Pennsylvania’s Pennsylvania Hospital in Philadelphia, and a fellowship in cardiovascular medicine at the University of Connecticut Health Center in Farmington, Connecticut.

Dr. Gomes is certified by the American Board of Internal Medicine in cardiovascular disease and nuclear cardiology. She is a fellow of the American College of Cardiology, a member of the Royal College of Physicians, and a member of the General Medical Council in London.

Punit Parasher, MD, FACC is a highly skilled and caring cardiologist. He’s a proud member of the team of renowned physicians at Phoenix Heart, which has locations across the greater Phoenix area – Glendale, Goodyear, Scottsdale, Anthem, Cottonwood, and Black Canyon City, Arizona.

Dr. Parasher earned his medical degree from New York Medical College in Valhalla, New York, and completed his residency in internal medicine at the Mayo Clinic in Rochester, Minnesota. He went on to a research fellowship in interventional cardiology at the University of California in San Francisco before continuing his medical training at the University of Texas Health Sciences Center in Houston, where he completed a fellowship in cardiovascular disease. During his fellowship, he served as the chief cardiology fellow and was named Outstanding Clinical Fellow.

Dr. Parasher is certified by the American Board of Internal Medicine in cardiovascular disease and interventional cardiology. He is highly active in his field and counts membership among the American Heart Association, the American College of Cardiology, the Texas Medical Association, the American College of Physicians, the Minnesota Medical Association, and the American Medical Association.

Shakeel Khan, MD, FACC, is an adept and attentive cardiologist. He’s is our managing partner and a proud member of the team of renowned physicians at Phoenix Heart, which has locations across the greater Phoenix area – Glendale, Goodyear, Scottsdale, Avondale, Laveen, Anthem, Cottonwood, and Black Canyon City, Arizona.

Dr. Khan was educated in India, where he graduated from the National Degree College in Bangalore and earned his medical degree from the Al-Ameen Medical School in Dharwad, Karnataka, India. He completed an internship at St. John’s Medical College Hospital in Bangalore before relocating to the United States, where he continued his medical training at Michigan State University. He completed an internship in internal medicine and served as the chief medical resident at the McLaren Regional Medical Center in Flint, Michigan, and completed two fellowships, one in cardiology at the University of Michigan’s East Lansing campus, and one in interventional cardiology at the university’s Borgess Medical Center in Kalamazoo.

Dr. Khan is certified by the American Board of Internal Medicine in cardiovascular disease, interventional cardiology, and endovascular (peripheral) medicine. He’s also certified in adult comprehensive echocardiography by the National Board of Echocardiography, and certified by the American Board of Nuclear Cardiology.

Prior to his work with Phoenix Heart, Dr. Khan served as the director of the cardiac catheterization lab at Banner Thunderbird Medical Center in Glendale, Arizona.

Dr. Dizon specializes in General Cardiology, Heart Failure & Transplantation, Cleveland, OH

Medical Education:

Doctor of Osteopathic Medicine and Surgery, Des Moines University, Des Moines, Iowa

Internship, Residency and Fellowship:

Fellowship in General Cardiology, Garden City Hospital, Garden City, Michigan

Residency in Internal Medicine (Osteopathic), Garden City Hospital, Garden City, Michigan

Internship in Traditional Osteopathic, Garden City Hospital, Garden City, Michigan

Board Certifications:

Fellow of the American College of Cardiology

Professional Appointments and Memberships:

Member, American College of Cardiology

Member, American Osteopathic Association

Member, American Medical Association

Member, Heart Failure Society of America

Member, American Society of Echocardiography

Andrew J. Kaplan, MD is a board-certified cardiologist at Phoenix Heart, with exemplary qualifications earned in Texas, North Carolina, and Georgia. Dr. Kaplan’s expertise in Electrophysiology is an invaluable asset to the Phoenix Heart team, which has locations across the greater Phoenix area – Glendale, Goodyear, Scottsdale, Anthem, Cottonwood, and Black Canyon City, Arizona.

Dr. Kaplan studied medicine at the University of Texas Southwestern Medical School. Once he received his medical degree, he completed his residency in internal medicine at Duke University Medical Center. After his residency. Dr. Kaplan continued his training with two fellowships in cardiovascular disease and cardiac electrophysiology at Emory University School of Medicine. In addition, he completed his Chief Residency in internal medicine at Grady Memorial/Emory University school of medicine.On top of this extensive training, Dr. Kaplan’s expertise and commitment to excellence have earned him certifications by American Board of Internal Medicine, with special focuses on cardiovascular disease and cardiac electrophysiology. He received his certification from the National Association of Physician and Surgeons, with special focuses on internal medicine, cardiovascular disease, and clinical cardiac electrophysiology. 

Professional Memberships:

Arizona ACC, member Board of Directors
Arizona EP Society
Fellow, Heart Rhythm Society
Fellow, American College of Cardiology
Arizona Medical Society
American Medical Association 

Kristine Sellberg, MD, FACC, is an accomplished and affable cardiologist. She’s a proud member of the team of renowned physicians at Phoenix Heart, which has locations across the greater Phoenix area – Glendale, Goodyear, Anthem, Buckeye, Laveen, Cottonwood, and Black Canyon City, Arizona.

Dr. Sellberg earned her medical degree from the University of Missouri Kansas City School of Medicine in Kansas City, Missouri. She finished her medical training in Phoenix with a residency in internal medicine at St. Joseph’s Hospital and Medical Center and a fellowship in cardiovascular medicine at the Carl T. Hayden VA Medical Center and the Banner Good Samaritan Medical Center, where she completed a second fellowship in interventional cardiology. She is certified by the American Board of Internal Medicine in cardiovascular disease and interventional cardiology.

In addition to her practice at Phoenix Heart, Dr. Sellberg is quite active in the cardiology community. Banner Thunderbird Medical Center in Glendale, Arizona, counts her as a member-at-large of their medical executive committee and a member of their professional review committee. She also serves as the medical director of cardiac rehabilitation at Abrazo West Campus hospital in Goodyear, Arizona. She’s also a member of the American Heart Association and a fellow of the American College of Cardiology. 

Shani Saks, DO, MS, FACOI, is an experienced cardiologist with the team at Arizona Heart Arrhythmia Associates, with locations in Phoenix, Avondale, Tempe, Chandler, Sun City, Dewey, and Prescott Valley, Arizona. She specializes in general cardiology, treating conditions such as high cholesterol, diabetes, heart disease, and chest pain. Dr. Saks is especially well-versed in treating acute coronary syndrome, heart blocks, high blood pressure, and unstable angina.

Dr. Saks received her medical degree from Michigan State University College of Osteopathic Medicine in East Lansing, Michigan. Dr. Saks continued her medical education by completing an internal medicine residency at the Pontiac Osteopathic Hospital, where she served as Chief Medicine Resident. She also holds an undergraduate and Master of Science degree from Wayne State University in Detroit, Michigan, where she graduated cum laude. Dr. Saks completed additional training with a three-year invasive cardiology fellowship at the Pontiac Osteopathic Hospital in Pontiac, Michigan.

Dr. Saks has received several honors and awards, including Intern of the Year, Wayne State University Merit Scholarship, Michigan Competitive Scholarship, and Howard Hughes Medical Institute Summer Research Fellowship at Wayne State University. Dr. Saks is a Certified Internist by the National Board of Osteopathic Medical Examiners.

Due to significant and premature heart disease in her own family, Dr. Saks has a strong commitment to patient education, reducing the risk of heart disease, preventative medicine, and women’s health, and has served as Director of the Women’s Heart and Wellness Program at Abrazo Heart Institute.

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.