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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.

Charanjit Kapoor, MD, FACC, is board-certified in general, nuclear, and interventional cardiology. Dr. Kapoor has been practicing medicine since 2000 and joined Cardiac Care Consultants in Peoria, Glendale, and Sun City West, Arizona, in 2010. He specializes in coronary artery disease, heart failure, pacemaker implants, and loop implants.

Dr. Kapoor received his medical degree from Government Medical College in Patiala, India. He completed his internship and residency at Maricopa Medical Center in Phoenix, where he was appointed chief medical resident. Dr. Kapoor received his advanced heart failure, cardiac transplantation, and cardiology fellowship training at the Ochsner Clinic and Medical Foundation in New Orleans. 

After completing his fellowship, Dr. Kapoor completed an interventional cardiology fellowship at Brown University in Providence, Rhode Island. He is board certified by the American Board of Internal Medicine and the American Board of Cardiovascular Disease.

Dr. Kapoor looks forward to welcoming new patients to Cardiac Care Consultants and being a part of their health care team. Schedule an appointment by calling the office or booking online.

About Ashim Aggarwal, MD, FRCP (London), FACC, FSCAI, FASE

Ashim Aggarwal, MD, FRCP (London), FACC, FSCAI, FASE, is board certified in general cardiology, echocardiography, nuclear medicine, and interventional cardiology. Dr. Aggarwal joined Cardiac Care Consultants in Peoria, Glendale, and Sun City West, Arizona, in 2018. 

He specializes in complex coronary interventions, including Impella LVAD support and percutaneous structural heart disease treatment, transcatheter aortic valve replacement (TAVR) for aortic stenosis, MitralClip™ therapy for severe mitral regurgitation, CardioMEMS™ HF System, Watchman™ implantation, and PFO Closures. 

Dr. Aggarwal went to medical school at KMC Mangalore (Manipal University) in India. He then finished his residency and obtained the prestigious MRCP (MD equivalent) from the Royal College of London in the United Kingdom. He then relocated to the United States and completed his internal medicine residency at Unity Health System, affiliated with the University of Rochester in New York. 

Afterward, he completed an advanced heart failure/cardiac transplant fellowship from Advocate Christ Medical Center, affiliated with the University of Illinois. Dr. Aggarwal did his general cardiology fellowship at the University of Illinois College of Medicine at Peoria, where he was appointed a Chief Cardiology Fellow. He then completed his interventional cardiology fellowship at the University of Utah in Salt Lake City. 

Dr. Aggarwal has published extensively and has authored multiple articles/manuscripts in many prestigious peer-reviewed journals. He has also presented abstracts and oral presentations at all major national and international cardiology conferences. 

Dr. Aggarwal is an External Examiner for Residency/Fellows training programs in the United Kingdom. He was also nominated in the prestigious Top Doctors 2021.

Jeffrey Pakula, DO, FACC, is board-certified in internal medicine and cardiology. He provides a wide range of cardiology services at Cardiac Care Consultants in Peoria, and Sun City West, Arizona. Dr. Pakula has been practicing medicine in Arizona since 1997 and joined Cardiac Care Consultants in 2001. He specializes in coronary artery disease and heart failure.

Dr. Pakula received his medical degree from Kansas City University in Missouri. He completed his internal medicine training at the University of Illinois and received his cardiology fellowship at the University of Health Sciences at the Chicago Medical School in Illinois. After completing his fellowship, he served as the Director of Medical Education at John H. Stroger Jr. Hospital of Cook County in Chicago, Illinois. 

Dr. Pakula welcomes both new and existing patients to Cardiac Care Consultants and is excited to be a part of their health care journey. To schedule an appointment with Dr. Pakula, call the office or book a consultation online

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.

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.

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.

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.

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.

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.

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.

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. 

Randall Piette, MD, is a skilled internal medicine physician at The Maxwell Group in Sun City, Arizona. He is board-certified in internal medicine through the American Board of Internal Medicine.

Dr. Piette was born in West Allis, Wisconsin, and attended the University of Wisconsin at Milwaukee. There, he earned his bachelor’s degree in medical science. Dr. Piette received his medical degree at the Medical College of Wisconsin in Milwaukee, graduating in 1997. 

He completed his internship and residency at Good Samaritan Regional Medical Center in Phoenix, Arizona. He has a passion for geriatric medicine and has been in private practice for over 22 years. He joined The Maxwell Group in 2000.

Dr. Piette enjoys helping his patients achieve the best quality of life possible. He holds leadership positions on various medical committees and boards.

Dr. Piette enjoys spending time with his wife and two beautiful children, traveling, golfing, and hiking in his free time. He loves music and being a drummer in his church’s praise and worship band.

Dr. Piette warmly welcomes his patients to The Maxwell Group and looks forward to helping them maintain exceptional health and wellness.

Born and raised in Argentina. He received his medical degree from the Universidad del Salvador in Argentina in 1998. He moved to the US after graduating and finished his residency at Danbury Hospital, a major affiliate of Yale University in 2003. Dr. Nagata is a board-certified internal medicine physician. He moved to Oregon where he practiced traditional medicine (outpatient/inpatient) in the rural community of Ontario. He became a hospitalist in Meridian Idaho. He moved from Oregon to Arizona in 2015 and has been practicing outpatient medicine in the valley. He has been practicing for 20 years building relationships with his patients helping them manage their medical conditions, coordinating care with the specialists and preventing illness by maintaining a healthy lifestyle.

He is fluent in Spanish and Japanese. He enjoys spending time with his family, biking and hiking.

Srinivasa R. Palnati, M.D. was born in Venice Itlay. He perused his medical degree at the college of DR Ambedkar Bangalore, graduating in 1988. He completed his Internal Medicine residency at St. Louis University Community Hospital, MO. Srinivasa R. Palnati has been in private practice for over 17 years in Sun City and has now joined The Maxwell Group Dr. Palnati is Board Eligible with the American Board of Internal Medicine.

He is married and blessed with 3 children. In his leisure time, Dr. Palnati enjoys spending time with his family, traveling and he also actively participates in community services.