The 20 Best Inappropriate Sinus Tachycardia (IST) Doctors Near Me in Lewisville, TX
Find the Top Inappropriate Sinus Tachycardia (IST) Experts and Specialists
Texas Health Heart And Vascular Specialists
Dr. Geetha Ramaswamy was always inspired by her uncle, who practiced family medicine for more than 40 years. When she decided to attend medical school, she knew early on that she wanted to focus on cardiology because of the ever-evolving nature of the field. Dr. Ramaswamy is an interventional cardiologist with subspecialty board certification in adult echocardiology and nuclear cardiology. She is a Fellow of the American College of Cardiology and has been serving the heart and vascular needs of patients since 2006. After serving North Texas communities for several years, Dr. Ramaswamy spent more than a decade in Northern Arkansas as a trailblazer in the fields of radial interventional cardiology, women’s heart care and heart valve treatments. She returned to the DFW area in 2021 to continue her work in interventional/structural cardiology.Dr. Ramaswamy earned her Bachelor of Medicine and Surgery from Chennai Medical College in India. She completed her internal medicine residency at the University of Louisville in Kentucky. Dr. Ramaswamy completed her clinical cardiology fellowship at Barnes-Jewish Hospital-Washington University School of Medicine in St. Louis, Mo.She is also fellowship trained in advanced nuclear cardiology and interventional cardiology through Yale University School of Medicine in New Haven, Conn.Dr. Ramaswamy is fluent in the Tamil and Hindi languages. When not with her patients, she enjoys meditating and the practice of yoga to strengthen not only her physical being but also for the mental strength and emotional balance they provide. Dr. Ramaswamy is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 47 other conditions, according to our data. Her clinical expertise encompasses Unstable Angina, Angina, Coronary Heart Disease, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).
Texas Health Heart And Vascular Specialists
John Lee, M.D., is fellowship-trained and board-certified in internal medicine, cardiovascular disease, interventional cardiology, echocardiography and vascular medicine. His areas of specialization include catheter-based treatments for coronary artery disease, cardiac imaging and peripheral vascular disease including complex coronary disease, carotid disease, and claudication. Lee graduated Cum Laude from Trinity University in San Antonio, Texas, with a bachelor's degree in biochemistry and molecular biology. While there, he received the Outstanding Teaching Assistant Award in chemistry. He earned his medical degree from University of Southern California Keck School of Medicine in Los Angeles. While there, Lee was awarded the Stanley J. Sarnoff Endowment for Cardiovascular Sciences.He went on to complete his internship and residency in internal medicine at the University of Texas Southwestern Medical Center in Dallas.Lee completed clinical and research fellowships in cardiology at the University of California Los Angeles and his interventional cardiology fellowship at Texas Heart Institute, Baylor College of Medicine/St. Luke's Episcopal Hospital Program in Houston. He is twice the recipient of the Tibor Fabian Research Award from the David Geffen School of Medicine in UCLA's STAR program. He is a Diplomat of the National Board of Echocardiography and a fellow in the American College of Cardiology. Dr. Lee is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 35 other conditions, according to our data. His clinical expertise encompasses Pediatric Myocarditis, Necrosis, Aortic Regurgitation, and Hypertension.
Texas Health Heart And Vascular Specialists
Ashesh Parikh is a Cardiologist and an Internal Medicine provider practicing medicine in Plano, Texas. Dr. Parikh is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 30 other conditions, according to our data. His clinical expertise encompasses Pediatric Myocarditis, Aortic Regurgitation, Glucocorticoid-Remediable Aldosteronism, and Hypertension.
Texas Health Family Care
Brian Meusborn is a Physician Assistant practicing medicine in Flower Mound, Texas. Mr. Meusborn is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His clinical expertise encompasses Vitamin B12 Deficiency, Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Vitamin D Deficiency, and Opioid Induced Constipation.
Texas Health Family Care
Samantha Myers earned her certification as a physician assistant in 2021 after graduating Magna Cum Laude from Salus University in Elkins Park, Penn. with her master’s degree in physician assistant studies. She also earned an undergraduate degree in nutrition at The University of Texas at Austin. Samantha is clinically trained in a variety of disciplines, including family and internal medicine, pediatrics, behavioral health and women’s care. She is also experienced in the areas of wound care and emergency medicine. Samantha is a member of the American Academy of Physician Assistants. Ms. Myers is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). Her clinical expertise encompasses Chronic Rhinosinusitis with Nasal Polyps (CRSwNP), Seasonal Affective Disorder (SAD), Menopause, and Vitamin D Deficiency.
Texas Health Heart And Vascular Specialists
"Shirley Ann Williams, M.D., was born in Peoria, Ill. Raised in a family with 12 children, she received her B.S. in Biology from Peoria's Bradley University, where she graduated cum laude. After completing medical school in 1977 at the University of Iowa School of Medicine, Iowa City, Iowa, Williams continued her education at the Cleveland Clinic Foundation in Cleveland, Ohio, where she completed a residency in internal medicine and a fellowship in noninvasive cardiology.Upon completion of her formal medical training, Williams became a staff cardiologist at the Veterans Administration Center in Temple, Texas. While there, she also served as assistant professor in the Department of Medicine at the Texas A&M University College of Medicine. These experiences inspired Williams to expand her skills by pursuing an additional fellowship in invasive cardiology at Hahnemann University Hospital in Philadelphia, Pa., in 1990. Prior to her move to Dallas, she was in private practice in Macon, Ga., for 4 1/2 years. A Fellow of the American College of Cardiology, Williams is board-certified by the American Board of Internal Medicine (ABIM), and the ABIM Subspecialty Board of Cardiovascular Diseases.In 2011, Williams was nominated as ""Cardiologist of the Year"" for Denton County. She serves as medical director and chairman of the quality improvement committee and utilization review committee at Lewisville Medical Center, where she is also a member of the leadership team and serves as secretary of the medical staff. Williams is also a member the hospital's critical care committee and open heart committee. She received the Thomas F. Frist humanitarian award from Lewisville Medical Center in April 2011. Williams also serves on the HCA North Texas Division physician quality advisory committee for the nine north Texas hospitals.Williams holds active medical staff privileges at Texas Health Flower Mound, Lewisville Medical Center and Texas Health Denton.Williams joined Cardiovascular Specialists P.A. in April, 1995. One of her strengths is an ability to relate to different kinds of people much of which she attributes to growing up with so many siblings. She also has a special fondness for the elderly, and counts her experiences in caring for older patients as some of her most rewarding.". Dr. Williams is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 46 other conditions, according to our data. Her clinical expertise encompasses Orthostatic Hypotension, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Pediatric Myocarditis.
Texas Health Heart And Vascular Specialists
Mary Youssef, M.D. was born in Egypt, then moved with her family to Nigeria in West Africa where she spent her formative years. Influenced by her father, a physician, she returned to her native Egypt to attend the Alexandria University Medical School in Alexandria, where she graduated with top honors in 1991. After serving as a hospital-based physician in Egypt from 1992 to 1994, she continued her education at The Institute for Child Health, University of London in London, England, where she was honored to receive her graduate diploma, granted with distinction.Following graduation, she moved to the United States, completing her residency in internal medicine and fellowship in cardiovascular diseases at Seton Hall University. She joined the medical staff of the East Texas Medical Center, where she practiced as an invasive cardiologist from 2002 through 2008, then joining the Holy Family Memorial Hospital System in Wisconsin. Having enough of the cold weather, she returned to Texas, where she has practiced since 2011.Board-certified in internal medicine and cardiovascular diseases, she also holds special board certifications in nuclear cardiology, echocardiography, and cardiovascular computed tomography. Youssef's special interest is in women's health and women's heart disease.She holds active staff privileges at the Texas Health Flower Mound, The Medical Center of Lewisville, and Texas Health Denton.Married with a young son and daughter, her favorite activities outside of medicine include cooking and doing handicrafts with her family. Dr. Youssef is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Aortic Regurgitation, Pediatric Myocarditis, Hypertension, and Glucocorticoid-Remediable Aldosteronism.
Texas Health Heart And Vascular Specialists
Dr. Deval Desai is a board-certified internist with advanced training in cardiovascular disease. He has been caring for cardiac patients since 2020 with special focus on providing and advancing treatments for structural and ischemic heart disease. Dr. Desai is also passionate about helping his patients manage their heart disease risk factors and avoid complications. He uses cardiac imaging techniques and therapies, including echocardiography, nuclear cardiology and transesophageal echocardiography (TEE), to assess and improve patient heart health.Dr. Desai earned his medical degree from Drexel University College of Medicine in Philadelphia, Pa. He completed his internal medicine residency at Temple University Hospital, also in Philadelphia. He went on to complete his cardiovascular disease fellowship through the Deborah Heart and Lung Center in Browns Mills, N.J.When not with his patients, Dr. Desai enjoys staying active through photography, travel, tennis, biking and cooking. He is a member of the American College of Physicians, American Heart Association, American Society of Preventative Cardiology and Heart Failure Society of America. He speaks fluent Hindi and Gujarati. Dr. Desai is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). His clinical expertise encompasses Pediatric Myocarditis, Glucocorticoid-Remediable Aldosteronism, Hypertension, and Atrial Fibrillation.
Texas Health Internal Medicine
Dr. Afeefa Chaudhry is board-certified in internal medicine and specializes in geriatric medicine. She began her medical career in 1997 working in the area of women’s health. Dr. Chaudhry settled in North Texas in 2008 and previously worked for seven years in a senior care clinic in the Lewisville area before joining Texas Health Physicians Group in 2022. She is experienced in caring for patients with dementia and other challenging disorders associated with the aging population. Dr. Chaudhry earned her medical degree at King Edward Medical College in Lahore, Pakistan. She completed her internal medicine residency through the College of Physicians and Surgeons of Columbia University in New York City. She went on to complete a geriatric medicine fellowship at the University of Medicine and Dentistry of New Jersey in Newark. Dr. Chaudhry is a Diplomat of the American Board of Internal Medicine. Dr. Chaudhry is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 27 other conditions, according to our data. Her clinical expertise encompasses Tracheitis, Renovascular Hypertension, Type 2 Diabetes (T2D), and Maturity Onset Diabetes of the Young.
Texas Health Family Care
Natalia Gutierrez is a primary care provider, practicing in Family Medicine in Carrollton, Texas. Dr. Gutierrez is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Idiopathic Neutropenia, Type 2 Diabetes (T2D), Glucocorticoid-Remediable Aldosteronism, and Hypertension.
Texas Health Family Care
James Havemann is a primary care provider, practicing in Family Medicine in Flower Mound, Texas. Dr. Havemann is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 5 other conditions, according to our data. His clinical expertise encompasses Hashimoto Thyroiditis, Vitamin D Deficiency, Sitosterolemia, and Familial Hypopituitarism.
Texas Health Family Care
Christopher Regan is a primary care provider, practicing in Family Medicine in Plano, Texas. Dr. Regan is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 8 other conditions, according to our data. His clinical expertise encompasses Familial Combined Hyperlipidemia, Xanthoma, Cirrhosis, and Infant Hyperglycemia.
Cardiovascular Specialists PA
Mitchel Kruger is a Cardiologist practicing medicine in Lewisville,, Texas. Dr. Kruger is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 46 other conditions, according to our data. His clinical expertise encompasses Atrial Fibrillation, Metabolic Syndrome, Stable Angina, Glucocorticoid-Remediable Aldosteronism, and Pacemaker Implantation.
Baylor Scott & White Cardiovascular Consultants - Grapevine
Dr. Balaji Veerappan is a board-certified cardiologist with a particular interest in clinical cardiology, preventative cardiology and advanced cardiac imaging. He holds additional certifications from the Certification Board of Nuclear Cardiology and the National Board of Echocardiography. He was named one of the top cardiologists in Fort Worth Magazine’s Top Doc issue every year, for the past 15 years. His love of people is what led to his passion for medicine and led him to become a physician and has been practicing as a general cardiologist in the DFW Metroplex for 20 years. When away from taking care of patients, he spends time working out, watching sports and spending time with his family. Dr. Veerappan is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 15 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Arrhythmias, Atherosclerosis, and Angina. Dr. Veerappan is board certified in Cardiovascular Disease- American Board Of Internal Med/Cardiovascular Disease and Cardiovascular Disease- American Board Of Internal Medicine.
Baylor Scott & White Cardiovascular Consultants - Grapevine
Dr. Bhella is a board-certified specialist in general cardiology with expertise in valvular heart disease, heart failure, and the prevention and treatment of coronary artery disease. Following his fellowship training in cardiology, Dr. Bhella completed two additional fellowships in advanced cardiac imaging and cardiovascular research. His research has led to over 30 published manuscripts in peer-reviewed journals in the fields of cardiovascular physiology, heart failure and cardiac imaging. In addition to his clinical practice, Dr. Bhella is a Professor of Medicine at Texas Christian University School of Medicine, where he was an inaugural faculty member and has taught patient safety and quality improvement since 2019. Dr. Bhella is married with four children. Away from work, he enjoys spending time with his family and engaging in regular exercise, such as running, cycling and playing tennis. Dr. Bhella is rated as an Advanced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 23 other conditions, according to our data. His clinical expertise encompasses Coronary Heart Disease, Heart Failure with Preserved Ejection Fraction (HFpEF), Heart Failure, and Cor Triatriatum. Dr. Bhella is board certified in Cardiovascular Disease- American Board Of Internal Med/Cardiovascular Disease, Internal Medicine- American Board Of Internal Med, Internal Medicine- American Board Of Internal Medicine, Cardiovascular Disease- American Board Of Internal Med, Internal Medicine- American Board Of Cardiovascular Disease, and Cardiovascular Disease- American Board Of Internal Medicine.
Texas Health Family Care
Dr. Lowell Koppel has been a practicing physician in the Lewisville area since 2005. He is board-certified in family medicine. When not caring for his patients, Dr. Koppel is an avid runner. In 2011, he completed the Boston Marathon and raised nearly $5,000 for cancer research as part of the Dana-Farber Marathon Challenge. Dr. Koppel is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). He is also highly rated in 9 other conditions, according to our data. His clinical expertise encompasses Sitosterolemia, High Cholesterol, Glucocorticoid-Remediable Aldosteronism, and Hypertension.
Texas Health Heart And Vascular Specialists
Terrie Branson began her nursing career in 2004, and she has been caring for the Denton community ever since. She became certified as an adult-gerontology acute care nurse practitioner in 2016. Previously, she worked in the area of cardiovascular and electrophysiology care. Her experience includes managing open-heart surgery patients; performing exercise nuclear tests, chemical stress tests and other diagnostic services; and providing cardiovascular consultations in collaboration with a physician.Terrie earned her undergraduate and master’s degrees in nursing from The University of Texas at Arlington. She is a member of the American Association of Critical-Care Nurses, American College of Cardiology and Texas Nurse Practitioners. Ms. Branson is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Heart Failure with Preserved Ejection Fraction (HFpEF), Inappropriate Sinus Tachycardia (IST), Atrioventricular Nodal Reentrant Tachycardia (AVNRT), and Paroxysmal Supraventricular Tachycardia (PSVT).
Texas Health Family Care
Hilary Bates is a certified physician assistant dedicated to the health and wellness of the Flower Mound community. Her areas of special focus include prevention-based medicine, chronic disease management and urgent care. Hilary is a Kentucky native who has worked in the medical field since 1991. Ms. Bates is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 1 other condition, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Menopause, Seasonal Affective Disorder (SAD), and Vitamin B12 Deficiency.
Texas Health Heart And Vascular Specialists
Certified physician assistant Katrina J. Holley is a Texas native committed to the heart and circulatory health of North Texans. She graduated from Prairie View A&M University in Prairie View, Texas, with a bachelor's degree in biology before going on to earn her master's degree in physician assistant studies at the University of Texas Southwestern Medical Center in Dallas. While at UT Southwestern, Holley was the recipient of the Dean's Scholarship. Her clinical experience includes rotations in pediatric cardiology and cardiovascular intensive care, surgery, family medicine, infectious diseases and internal medicine. Ms. Holley is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). Her clinical expertise encompasses End-Stage Renal Disease (ESRD), May Thurner Syndrome, and Inappropriate Sinus Tachycardia (IST).
Texas Health Family Care
Dr. Sandra Adair has served the Flower Mound community since 2002 as a family medicine physician. She is board-certified and her areas of special focus include prevention-based medicine, management of chronic diseases and adult health. She has received recognition for promoting quality in care coordination. Dr. Adair is rated as an Experienced provider by MediFind in the treatment of Inappropriate Sinus Tachycardia (IST). She is also highly rated in 11 other conditions, according to our data. Her clinical expertise encompasses Vitamin D Deficiency, Hypothyroidism, Subacute Combined Degeneration, and Pelvic Floor Dysfunction.
Last Updated: 04/28/2026


















