
Overview
Dr. Marlos Fernandes earned his medical degree from Federal University of Rio de Janeiro in Brazil. He completed his internship and residency training in internal medicine at McGovern Medical School at UTHealth in Houston, followed by his fellowship in cardiology and interventional cardiology at Baylor College of Medicine and the Texas Heart Institute in Houston. Board certified in internal medicine, cardiovascular disease, interventional cardiology, nuclear cardiology and echocardiography, Dr. Fernandes specializes in clinical and interventional treatment of cardiovascular diseases as well as endovascular treatment for peripheral vascular diseases and critical limb ischemia. He performs complex coronary and peripheral vascular interventions, including abdominal aortic aneurysm stenting and transcatheter aortic valve replacements (TAVR). Dr. Fernandes educates his patients about their cardiovascular conditions, preventive care and treatment options to help them make the best decisions that will lead to the best outcomes. He makes himself accessible to his patients and provides individualized, evidence-based cardiovascular care. Dr. Fernandes treats patients 18 years and older and speaks Portuguese and Spanish. He has authored several papers on interventional cardiology.
Dr. Fernandes is highly rated in 22 conditions, according to our data. His clinical expertise encompasses Apoplexy, Heart Failure, Pulmonary Edema, Heart Failure with Preserved Ejection Fraction (HFpEF), and Pacemaker Implantation.
He is actively involved in clinical research, co-authoring 8 peer reviewed articles.
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Clinical Research
Clinical research consists of overseeing clinical studies of patients undergoing new treatments and therapies, and publishing articles in peer reviewed medical journals. Providers who actively participate in clinical research are generally at the forefront of the fields and aware of the most up-to-date advances in treatments for their patients.
Dr. Biswajit Kar earned his medical degree from the University of Delhi in New Delhi, India. He completed his residency in internal medicine at Baylor College of Medicine in Houston, where he also finished a fellowship in cardiology and interventional cardiology. During his residency, he was inducted into Alpha Omega Alpha Honor Medical Society. A professor of medicine in the Center for Advanced Cardiopulmonary Therapies and Transplantation at McGovern Medical School at The University of Texas Health Science Center at Houston (UTHealth), He Dr. Kar is chief of the medical division of the Center for Advanced Heart Failure at Larry D. Johnson Heart & Vascular Institute at Memorial Hermann-Texas Medical Center. Dr. Kar has practiced medicine in Houston since 1995 and is board certified in advanced heart failure and transplant cardiology, cardiovascular disease and interventional cardiology. He specializes in cardiovascular disease, interventional cardiology, advanced heart failure and heart transplantation, and his clinical interests include advanced heart failure, cardiac transplantation, mechanical assist devices, high-risk coronary interventions, structural heart disease and cardiogenic shock. Patients value Dr. Kar’s exceptional listening skills and his ability to explain conditions and answer questions. They also say he doesn’t rush through appointments. Dr. Kar is a member of the American College of Cardiology, American Society of Artificial Organs, American College of Physicians, Heart Failure Society of America and International Society of Heart and Lung Transplantation. Dr. Kar is highly rated in 40 conditions, according to our data. His clinical expertise encompasses Cardiogenic Shock, Aortic Valve Stenosis, Heart Attack, Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).
Dr. Smalling is a native Texan who received a degree in Aerospace Engineering, master’s degree in Bio-Medical Engineering (ME Department), and Ph.D. from The University of Texas. He is an AOA graduate of The University of Texas Medical School at Houston and completed residency and cardiology fellowship at UCSD. Dr. Smalling is board certified in internal medicine, cardiovascular medicine, and interventional cardiology and is past president of the American Heart Association, Texas Affiliate. He has been honored as a Distinguished Alumnus of UTHealth in Houston and the College of Engineering, University Texas at Austin. Named an America’s Top Doctor for the past fourteen years, Dr. Smalling has received a number of professional and service awards including the Distinguished Service Award from the AHA Texas Affiliate. He is on the editorial boards of Catheterization and Cardiovascular Interventions and The Journal of Interventional Cardiology. In addition, he holds several patents and has co-founded a company, Windmill Cardiovascular Systems, to produce a new implantable left ventricular assist device. Dr. Smalling specializes in the treatment of adult congenital heart disease, and valvular heart disease percutaneously as well as peripheral vascular disease interventions including carotid stenting and percutaneous endovascular repair of abdominal aortic aneurysm. Additionally, his team is experienced in utilizing left ventricular assist devices to support high risk coronary angioplasty and complicated valve treatment procedures. His research interests include advanced intravascular imaging procedures for coronary artery disease, mechanical and pharmacologic reduction of ischemic myocardial injury and developing advanced heart attack treatment systems. Dr. Smalling is the author of over 240 Scientific Papers, 145 abstracts, 25 book chapters, 2 books, and more than 15 web based CME articles. He and his wife Sharon have 3 children, Geoffrey, Elizabeth and Stephanie and 2 grandchildren. They enjoy cooking, cycling, skiing and traveling together. Board Certifications American Board of Internal Medicine American Board of Internal Medicine - Cardiovascular Disease American Board of Interventional Cardiology Areas of Interest: Interventions including LVAD supported PCI; Structural Heart Interventions including Percutaneous ASD and PFO Repair, Mitral Valvuloplasty, Percutaneous Mitral Valve Repair, Aortic Valvuloplasty and Percutaneous Aortic Valve Replacement; Peripheral Vascular interventions including Limb Salvage Revascularization, Carotid Stenting and Percutaneous Repair of Abdominal Aortic Aneurysms. Dr. Smalling is highly rated in 18 conditions, according to our data. His clinical expertise encompasses Mitral Valve Regurgitation, Patent Foramen Ovale, Atrial Septal Defect (ASD), Aortic Valve Replacement, and Transcatheter Aortic Valve Replacement (TAVR).
Baylor Medicine Atherosclerosis
Christie Ballantyne is a Cardiologist practicing medicine in Houston, Texas. He has been practicing medicine for over 44 years. Dr. Ballantyne is highly rated in 24 conditions, according to our data. His clinical expertise encompasses Familial Hypertriglyceridemia, High Cholesterol, Atherosclerosis, Coronary Artery Bypass Graft (CABG), and Heart Bypass Surgery.
Frequently Asked Questions about Dr. Marlos Fernandes
How do I make an appointment with Dr. Marlos Fernandes?
You can book an appointment with Dr. Marlos Fernandes by calling their office at 281-506-8720. MediFind provides direct contact information so you can schedule visits, second opinions, or consultations without navigating third-party calendars.
Is Dr. Marlos Fernandes a top-rated expert for Apoplexy?
MediFind is an objective health platform that identifies experts based on real-world data. Dr. Marlos Fernandes is classified as an Distinguished expert for Apoplexy, meaning they are among the top experts in the country for this condition. This ranking is based on their volume of patients, published research, and peer connections.
What conditions does Dr. Marlos Fernandes specialize in?
While Dr. Marlos Fernandes is a Cardiology, they have specific expertise in Apoplexy, Heart Failure, and Pulmonary Edema. MediFind analyzes a doctor's articles and referral patterns to identify their specific areas of focus within Cardiology.
Does Dr. Marlos Fernandes participate in research or clinical trials?
Yes. Dr. Marlos Fernandes has published 8 articles and abstracts on conditions like Apoplexy. You can view a list of Dr. Marlos Fernandes's latest peer-reviewed publications and clinical trial participation on their profile to see if they are active in new treatments.
Does Dr. Marlos Fernandes accept my insurance?
Dr. Marlos Fernandes accepts most major insurance plans, including Aetna and Anthem BCBS. We recommend calling the office directly at 281-506-8720 to verify that your specific plan is currently accepted before your visit.
Areas of Expertise
MediFind evaluates expertise by pulling from factors such as number of articles a doctor has published in medical journals, participation in clinical trials, speaking at industry conferences, prescribing and referral patterns, and strength of connections with other experts in their field.
Learn more about MediFind’s expert tiers
- Distinguished
- ApoplexyDr. Fernandes isDistinguished. Learn about Apoplexy.
- Advanced
- AnginaDr. Fernandes isAdvanced. Learn about Angina.
- ArrhythmiasDr. Fernandes isAdvanced. Learn about Arrhythmias.
- Arterial EmbolismDr. Fernandes isAdvanced. Learn about Arterial Embolism.
- Atrial FibrillationDr. Fernandes isAdvanced. Learn about Atrial Fibrillation.
- FaintingDr. Fernandes isAdvanced. Learn about Fainting.
- Familial Neurocardiogenic SyncopeDr. Fernandes isAdvanced. Learn about Familial Neurocardiogenic Syncope.
- Experienced
- Aortic Valve StenosisDr. Fernandes isExperienced. Learn about Aortic Valve Stenosis.
- AtherosclerosisDr. Fernandes isExperienced. Learn about Atherosclerosis.
- Atrial TachycardiaDr. Fernandes isExperienced. Learn about Atrial Tachycardia.
- Atrioventricular Nodal Reentrant Tachycardia (AVNRT)
- Bidirectional TachycardiaDr. Fernandes isExperienced. Learn about Bidirectional Tachycardia.
- Cardiac ArrestDr. Fernandes isExperienced. Learn about Cardiac Arrest.

