Roosevelt Cardiovascular Diagnostic is a specialized cardiology medical center in Jackson Heights, Queens, focused on preventing, diagnosing, and treating diseases of the heart and circulatory system. The center provides outpatient cardiovascular care and aims to deliver comprehensive, ethical, and patient-centered services, guided by evidence-based practices and attention to clinical quality and safety. Its team includes Physician Assistant Hans Jennerjahn, who provides cardiovascular care in collaboration with an off-site physician.

Services include cardiology consultations, sonograms, electrocardiograms (EKGs), Holter monitoring, and nuclear stress tests. The center also performs echocardiograms, carotid studies, lower-extremity vascular examinations, renal and abdominal imaging, and examinations of the lower extremities. These diagnostic services support the assessment of cardiovascular risk factors and help inform appropriate care.

Roosevelt Cardiovascular Diagnostic emphasizes collaboration with patients, families, and healthcare providers, as well as education about heart disease prevention and management. The center accepts private patients and most medical insurance plans. It is located at 37-51 90th Street, Jackson Heights, New York, and offers appointments on weekdays and alternating Saturdays.