Best Pediatric Cardiology Specialists in Bronx, NY

We are committed to delivering the best care and an exceptional patient experience. We are devoted to providing services that are patient-centered and compassionate, and care for you as a person.

Oksana Lekarev, DO is the Associate Medical Director of the Comprehensive Care Center for Congenital Adrenal Hyperplasia (CAH) at Weill Cornell Medicine, the first multi-disciplinary center of excellence in the United States dedicated to patients with CAH. She is also an Assistant Professor of Clinical Pediatrics at Weill Cornell Medicine and Assistant Attending Pediatrician at NewYork-Presbyterian/Weill Cornell Medical Center. Dr. Lekarev is board certified in Pediatric Endocrinology and Pediatrics. Dr. Lekarev received a BA in Linguistics from Barnard College of Columbia University in New York City, graduating cum laude and with departmental honors. She received her medical degree from the University of Medicine and Dentistry - School of Osteopathic Medicine. She completed her Internship in Pediatrics at the Robert Wood Johnson Medical Center and went on to complete her Residency in Pediatrics at Tufts-New England Medical Center. Dr. Lekarev then moved back to New York City where she completed a fellowship in Pediatric Endocrinology at Mount Sinai Medical Center. She remained at Mount Sinai for two more years as a faculty member in the Division of Adrenal Steroid Disorders, where she was actively involved in research, clinical practice and medical education. In addition to her expertise in CAH and adrenal steroid disorders, Dr. Lekarev's areas of interest include disorders of growth, disorders of pubertal and sexual development, and thyroid disease. She has published a number of original and review articles in peer-reviewed journals and has presented her work at national and international meetings.

Dr. Maria Thanjan is the Director of the Division of Pediatric Cardiology at New York Hospital Queens. She has a particular interest in pediatric echocardiography and cardiac imaging. Dr. Thanjan also specializes in fetal echocardiography allowing her to make the diagnosis of congenital heart lesions prenatally.She feels that it is her goal as a pediatric cardiologist to empower families and patients to make the best most educated decisions in the management of their condition.

Zvi S. Marans, MD, associate professor of Pediatrics at Columbia University Medical Center, is a full time faculty member of the Division of Pediatric Cardiology at Columbia. He is based in northern New Jersey, and is the founding and managing partner of a large, regional pediatric cardiology practice in Paramus, NJ. His practice, established in 1990, provides the highest quality academic specialty care in the context of a compassionate and nurturing environment. He specializes in congenital and acquired heart disease in children, and has a specialty interest in fetal cardiology. Dr. Marans is a skilled educator, and teaches a regular class in cardiac anatomy to the Columbia pediatric cardiology fellows. In addition, he is an attending at the pediatric cardiac neonatal intensive care unit at Morgan Stanley Children's Hospital at Columbia. His partners are also graduates of the Columbia training program and are full time faculty members at Columbia. He is married to Nina Kampler, a lawyer and retail real estate strategist, and is the father of four children.

We are committed to delivering the best care and an exceptional patient experience. We are devoted to providing services that are patient-centered and compassionate, and care for you as a person.

We are committed to delivering the best care and an exceptional patient experience. We are devoted to providing services that are patient-centered and compassionate, and care for you as a person.

Jeffrey Kern is a Clinical Associate Professor of Pediatrics in the Division of Pediatric Cardiology at the Weill Cornell campus of the NewYork-Presbyterian Hospital. He is a assistant attending physician at NewYork-Presbyterian Queens Hospital as well.Dr. Kern performs a variety of non-invasive tests, including exercise stress tests, tilt-table tests, stress electrocardiography, holter monitoring and echocardiography. He sees patients at NewYork-Presbyterian Queens Hospital & NewYork-Presbyterian Medical Group Queens in Flushing.Dr. Kern completed his undergraduate degree at Yeshiva University and his medical degree at the Albert Einstein School of Medicine. After completing a residency in General Pediatrics at the Mount Sinai Medical Center in New York, Dr. Kern completed further training in pediatric cardiology at the Babies and Children's Hospital of Columbia Presbyterian where he completed a fellowship.In addition to his clinical work, Dr. Kern has published extensively on a variety of topics, including early results and developmental outcomes after surgical repair of hypoplastic left heart syndrome, arrhythmias and their management in the setting of congenital heart disease, and fetal echocardiography and its impact on modern pediatric cardiology.