Scott J. Greenberg, M.D. was raised in Denver, CO, and completed his undergraduate education at the University of Colorado where he earned his B.S. in computer science engineering. He remained at the University of Colorado for his medical school training, then completed his internship and residency in internal medicine at Cornell University - New York Presbyterian and Memorial Sloan Kettering Cancer Center in New York, NY.

Following residency, he completed his cardiovascular disease fellowship and clinical cardiac electrophysiology fellowship at the world-renowned Texas Heart Institute – Baylor College of Medicine in Houston, TX, with training at St. Luke's Episcopal Hospital, Texas Children's Hospital, and MD Anderson Cancer Center. Dr. Greenberg was elected Chief Cardiology Fellow in 2014 and Chief Cardiac Electrophysiology Fellow in 2015. He joined the Woodlands North Houston Heart Center and Baylor College of Medicine in 2016.

Dr. Greenberg has been recognized as a national leader in healthcare policy for cardiac electrophysiologists, having participated on the Heart Rhythm Society National Taskforce for CMS Reimbursement, the National Taskforce for Private Practice Cardiac Electrophysiologists, and the Heart Rhythm Society Health Policy and Regulatory Affairs Committee. He has been elected to the Board of Governors and as Treasurer for Heart Rhythm Advocates, the advocacy arm of the Heart Rhythm Society. Beginning in 2026, he is the Co-chair for Cardiac Electrophysiology for CommonSpirit Health nationally.

Vincent Aquino, M.D., F.A.C.C. is a recognized leader in cardiovascular medicine, born in Brooklyn, New York, and educated at Florida State University. He received his medical degree from the University of Florida College of Medicine and completed internal medicine training at the University of Texas–Houston Health Science Center, followed by his cardiovascular fellowship at UT–Houston affiliated hospitals.

Dr. Aquino has been in practice since 1985 and has led the development of the Woodlands North Houston Heart Center into one of Houston's most respected cardiology groups. He has been instrumental in developing the North Houston Division of the American Heart Association and served as president of the Houston Cardiology Society in 2000. He has held positions including Chief of Staff at Houston Northwest Medical Center, Chief of Staff at Baylor St Luke's - The Woodlands Hospital from 2003 to 2007, Medical Director of Cardiovascular Services, and Director of Cardiology at Memorial-Hermann Hospital–The Woodlands.

Bruce S. Lachterman, M.D., F.A.C.C. was born in St. Louis, Missouri, received his undergraduate degree from the University of California, Santa Cruz, and completed his medical training at the Autonomous University of Guadalajara, Mexico, and the University of California Irvine School of Medicine. Following internal medicine training at Irvine, he completed his cardiovascular training at the University of Texas–Houston Health Science Center, with training at Hermann Hospital and St. Luke's Texas Heart Institute.

Dr. Lachterman has been practicing in The Woodlands area since 1993. He was instrumental in bringing endovascular interventions to The Woodlands and North Houston area more than 25 years ago. He has served as Chairman of the Departments of Cardiology and Internal Medicine at Houston Northwest Medical Center and Baylor St Luke's - The Woodlands Hospital as well as Chief of Staff at Lakeside St Luke's The Woodlands Hospital. He previously served as Medical Director of the cardiac cath lab at St. Luke's–The Woodlands. He holds a particular interest in coronary intervention and peripheral vascular disease diagnosis and treatment.

Dr. Gary M. Coleman is a board-certified cardiologist with more than three decades of distinguished service to patients in The Woodlands and North Houston area. A native of Wichita Falls, Texas, Dr. Coleman has built a reputation as one of the region's foremost experts in cardiovascular disease prevention, advanced diagnostics, and interventional techniques. Since initiating his practice in 1990, he has remained deeply committed to an integrated and holistic model of care — one that centers on proactive, evidence-based strategies to protect patients from life-threatening cardiac events before they occur.

Dr. Coleman's clinical practice places special emphasis on the prevention of coronary artery disease and stroke, utilizing state-of-the-art cardiovascular diagnostics, coronary artery and peripheral arterial interventional techniques, and advanced atherosclerosis risk factor assessment. He was among the inaugural class of physicians to receive board certification in Interventional Cardiology from the American Board of Internal Medicine in 2000 — a recognition that underscores both his early mastery and ongoing leadership in the field. His areas of expertise include coronary artery disease, arrhythmias, atherosclerosis, hypertension, pulmonary heart disease, and peripheral arterial disease, among others. Dr. Coleman is also proficient in Spanish, allowing him to serve a broader and more diverse patient community.

Beyond his clinical work, Dr. Coleman served for ten years as a Clinical Instructor in the Department of Internal Medicine at the University of Texas Medical School at Houston, where he helped shape the next generation of physicians. His scholarly contributions include numerous clinical reports and basic research articles published in peer-reviewed journals, including the prestigious journal Circulation.

Driven by a personal commitment to communication, listening, and compassion, Dr. Coleman advocates strongly for an aggressive preventive approach to cardiovascular illness — identifying and treating at-risk patients before a cardiac event occurs. Whether guiding a patient through lifestyle changes or performing a complex interventional procedure, Dr. Coleman's goal remains the same: to provide each patient with the personalized, highest-quality care they deserve.

Chacko Alexander, M.D., is a board-certified cardiologist whose approach to patient care is deeply rooted in a philosophy of empathy, active listening, and shared decision-making. He believes that the most effective treatment plans are created in partnership with his patients, ensuring their voices are heard and their values are respected every step of the way.

This patient-first perspective was shaped significantly by his international medical training. Dr. Alexander earned his medical degree from Stanley Medical College (University of Madras), where he developed a broad, humanistic foundation in medicine. He further refined his clinical acumen by earning the prestigious MRCP (UK) qualification, a rigorous, standards-based credential from the Royal Colleges of Physicians in the United Kingdom known for emphasizing deep clinical knowledge and diagnostic skill. He then completed his residency at the University of Missouri–Columbia, blending his international experiences with the American medical tradition.

A Fellow of the American College of Cardiology (F.A.C.C.), Dr. Alexander is certified in interventional cardiology and has been a trusted presence in The Woodlands area for decades. He served as the first Medical Director of the Cardiac Catheterization Laboratory at Memorial Hermann - The Woodlands, a pioneering role that helped build the very infrastructure of cardiac care in the region. Prior to that, he was Chief of Cardiology at the Texas Tech University Medical Sciences Center in El Paso, where he was instrumental in developing the medical school's cardiology program and remained actively engaged in teaching and research.

Today, Dr. Alexander continues to practice with the belief that listening is the most important part of any diagnosis, and that true spiritual and physical healing comes from a partnership built on trust and mutual respect. He is fluent in English, Malayalam and Tamil languages.

Born in Querétaro, Mexico, Dr. Bernardo De La Guardia earned his medical degree from the Instituto Tecnológico y de Estudios Superiores de Monterrey (ITESM), where he ranked second in his graduating class. He pursued research at Baylor College of Medicine and served as Chief Medical Resident at the University of Arizona, followed by cardiovascular and interventional cardiology training at UT Medical School Houston.

Dr. De La Guardia is a Diplomate of the American Board of Internal Medicine and a Fellow of the American College of Cardiology. He previously served as Medical Director for the Cardiac Catheterization Laboratory and as Chairman of the Cardiology Department in The Woodlands, leaving a lasting impact on the structural development of cardiology care in the region. He currently serves as Medical Director of the Cardiac Catheterization Laboratory at St. Luke's–The Woodlands, continuing his leadership in advancing interventional cardiac care for the North Houston community.

Dr. Kedar A. Vaidya received his medical degree from Armed Forces Medical College, Poona University, India. He completed his residency and cardiology fellowship at Montefiore Medical Center / Albert Einstein College of Medicine in the Bronx, New York, followed by an interventional cardiology fellowship at Rhode Island Hospital / Brown University.

Dr. Vaidya is board-certified in Nuclear Cardiology, a Diplomate of the National Board of Echocardiography, and board-certified by the ABIM in both Interventional Cardiology and Cardiovascular Disease. He is a Fellow of the American College of Cardiology, bringing extensive experience in interventional procedures to patients across The Woodlands.

A native of Katy, Texas, Dr. Robert A. Aertker graduated summa cum laude from Texas A&M University in Biomedical Sciences, earning the Thomas Gathright Outstanding Academic Scholar Award. He received his medical degree from UT Houston McGovern Medical School, where he was inducted into the Alpha Omega Alpha honor medical society. He then completed his internal medicine residency at Duke University Hospital.

Dr. Aertker returned to Texas to complete cardiology and interventional training at the Texas Heart Institute, where he was elected Chief Cardiology Fellow — a reflection of both his clinical excellence and leadership abilities. He specializes in preventive cardiology and the percutaneous treatment of coronary, peripheral vascular, and valvular heart disease. He leads the structural heart team at St. Luke's Woodlands Hospital, where the TAVR program was recognized as a Center of Excellence within the CommonSpirit system in 2025 for its outstanding clinical outcomes.

David Kuten, M.D., F.A.C.C. grew up in Houston, Texas, and completed his undergraduate education at The University of Texas at Austin in the prestigious Plan II Honors Program. He received his medical degree from Baylor College of Medicine, then completed his Internal Medicine residency at Johns Hopkins Hospital in Baltimore — one of the most highly regarded training programs in the country.

Dr. Kuten returned to Houston for his fellowship training in Cardiovascular Diseases and Interventional Cardiology at The Texas Heart Institute, a world-renowned center for cardiovascular medicine. During his fellowship, he was honored with the Tauber Award for Outstanding Cardiology Fellow — a distinction recognizing exceptional clinical skill, academic achievement, and dedication to patient care.

Dr. Kuten’s clinical interests span all aspects of noninvasive and interventional cardiology, with particular expertise in coronary interventions and the endovascular treatment of peripheral vascular disease. He has co-authored peer-reviewed publications on these topics. Board certified by the American Board of Internal Medicine in Internal Medicine and Cardiovascular Diseases, he brings a rigorous academic foundation and a deeply compassionate approach to every patient encounter.

Dr. Shareez Peerbhai is an interventional and structural cardiologist dedicated to delivering exceptional, patient-centered cardiovascular care. He specializes in the diagnosis and treatment of complex heart disease using both advanced medical therapies and minimally invasive catheter-based procedures. Known for his thoughtful approach and attention to detail, Dr. Peerbhai prioritizes building meaningful relationships with his patients and ensuring they fully understand their condition and treatment options.

Dr. Peerbhai earned his undergraduate degree from Baylor University before receiving his medical degree from St. George's University School of Medicine. He then completed his internal medicine residency, cardiovascular disease fellowship, and advanced training in interventional and structural cardiology at the University of Texas Health Science Center at Houston (UTHealth). During his training he was selected for numerous leadership roles, serving as Chief Resident, Chief Cardiology Fellow, and Chief Interventional & Structural Cardiology Fellow, reflecting the respect of both his peers and faculty.

In recognition of his academic achievements, dedication to teaching, and commitment to patient care, Dr. Peerbhai was inducted into Alpha Omega Alpha, the prestigious national medical honor society.

Dr. Peerbhai is board certified in Internal Medicine, Cardiovascular Disease, Adult Echocardiography, and Interventional Cardiology. His clinical expertise includes coronary artery disease, complex coronary interventions, structural heart disease, heart failure, and cardiovascular imaging.

Patients consistently describe Dr. Peerbhai as a physician who truly listens and takes the time to explain complex medical conditions in clear, understandable terms. He believes that the best care comes from combining cutting-edge cardiovascular science with a compassionate, individualized approach for every patient.

Outside of medicine, Dr. Peerbhai enjoys spending time with family and traveling to experience different cultures and cuisines around the world.

Christopher H. LaVergne, M.D., F.A.C.C. was born in Houston, Texas, and attended Baylor University for his undergraduate education. He then attended the University of Texas Medical School at Houston, followed by his internship and residency in internal medicine at the University of Texas–Houston Health Science Center. Dr. LaVergne was honored as Chief Cardiology Fellow during his final academic year, where he finished his clinical fellowship in cardiovascular diseases.

Dr. LaVergne has been working in The Woodlands area since 1998 and has participated in several clinical investigations and authored research published in the New England Journal of Medicine. His primary focus is non-interventional cardiology with special expertise in nuclear cardiology, echocardiography, and the treatment of vein disease.

Brenda K. Peabody, M.D., F.A.C.C. is a proud native Houstonian who received her medical degree from Texas A&M University in College Station. She completed her residency in Internal Medicine and a fellowship in Cardiovascular Disease at Texas A&M Health Sciences Center, Scott & White, in Temple, Texas. Dr. Peabody has been practicing since 1995 and joined The Woodlands North Houston Heart and Vein Center in 2002.

Dr. Peabody specializes in all aspects of non-invasive cardiology. She has been an active community educator, speaking for the Montgomery County Division of the American Heart Association on the topic of women and heart disease, and has served on the board of the American Heart Association of Northwest Harris County. Her philosophy is that good medical care must involve a cooperative effort between patient and physician.

Margit Nemeth, M.D., F.A.C.C. was born in Mendoza, Argentina, but grew up in Houston, Texas. Her undergraduate training at the University of Texas at Austin was in Mechanical Engineering, and she holds a Master's degree in Cancer Biology from the UT Graduate School of Biomedical Sciences in Houston. She then attained her medical school degree from the University of Texas Health Science Center in San Antonio, followed by an internal medicine residency at the University of Virginia in Charlottesville.

She returned to Houston to complete her cardiology fellowship at the Texas Heart Institute – St. Luke's Episcopal Hospital, where she was honored as CCU Fellow of the Year in 2003. Dr. Nemeth has additional training in all aspects of cardiac imaging, including echocardiography, nuclear cardiology, cardiac MRI, and cardiac CT. She has done extensive research with many peer-reviewed publications on topics including cancer biology, cytogenetics, cardiac MRI, and optimization of biventricular pacemaker function. She serves as Medical Director of Noninvasive Cardiology at Baylor St Luke's - The Woodlands Hospital.

Dr. George A. Kantis is a non-invasive cardiologist in The Woodlands, Texas, with a lifelong commitment to compassionate, patient-centered cardiovascular care. He received his medical degree from St. George's University School of Medicine and is certified by the American Board of Internal Medicine in Cardiovascular Disease and Internal Medicine. He completed his residency and cardiology fellowship at the University of Connecticut.

Dr. Kantis specializes in adult heart disease, echocardiography, nuclear cardiology, and non-invasive cardiology — disciplines he approaches with the conviction that the heart is best understood not only through imaging and physiology, but through the stories, fears, and hopes his patients entrust to him. His clinical practice is anchored in communication: clear, compassionate, and culturally attuned. Fluent in German, English, Greek, and Spanish, he meets patients where they are, ensuring that no nuance of their experience is lost and no question goes unanswered.

Over the course of his career, Dr. Kantis has cultivated a reputation for listening as intently as he diagnoses — translating complex cardiovascular concepts into language that empowers patients and fostering relationships built on trust. His multilingual abilities are not an accessory to his work; they are central to his mission of delivering care that is humane, accessible, and deeply personal. For Dr. Kantis, communication is not a task to be performed — it is the foundation of his practice and the medium through which healing begins.

Kelly Shum, M.D. is a cardiologist dedicated to helping patients better understand and care for their heart health. She believes that great cardiology care begins with listening — taking the time to understand each patient's concerns, explaining complex heart conditions in clear and approachable terms, and working together to develop a treatment plan that fits each person's life and goals. Patients appreciate her thoughtful, thorough approach and her commitment to making them feel comfortable and informed throughout their care.

Her clinical work focuses on the diagnosis and management of cardiovascular conditions including Atrial Fibrillation, Heart Failure, and Congenital Heart Disease, with additional expertise in cardio-oncology and women's cardiovascular health. Dr. Shum combines evidence-based medicine with a personalized approach to help patients prevent, manage, and better understand heart disease. She is board-certified in Cardiovascular Disease and Internal Medicine, has authored and co-authored peer-reviewed publications on congenital heart disease and cardiovascular risk in oncology patients, and is affiliated with Baylor St. Luke's–The Woodlands Hospital and Baylor St. Luke's–Lakeside Hospital.

Dr. Jessica Brown grew up in Florida, and graduated from Vanderbilt University in Nashville, TN, with a degree in Molecular & Cellular Biology. She moved to Texas for medical training and graduated from the University of Texas Health Science Center at San Antonio School of Medicine. She then completed an Internal Medicine Residency at the University of Texas Health Science Center at Houston, followed by a General Cardiology Fellowship at the Texas Heart Institute — where she received several research awards and was named Most Outstanding Cardiology Fellow and Chief Cardiology Fellow.

Dr. Brown completed an additional fellowship in Advanced Heart Failure & Transplant Cardiology at Houston Methodist. She joined The Woodlands North Houston Heart Center in August 2016 and is board-certified in Cardiovascular Disease, Echocardiography, Nuclear Cardiology, and Advanced Heart Failure & Transplant Cardiology. She has special interests in valvular heart disease, heart failure, and care of the athletic heart. Dr. Brown is also a recognized Texas Rising Stars honoree.