At Ameli | Dadourian Medicine, we provide highly personal, concierge-level, multi-specialty care that integrates advanced cardiology, endocrinology, rheumatology, internal medicine, and preventive health strategies. Our expert team of board-certified physicians delivers powerful cutting-edge diagnostics, evidence-based treatments, and personalized health management to ensure the best outcomes for our patients.
With a patient-first approach, our team focuses on early detection, proactive treatment, and long-term disease prevention—giving clients unparalleled access to top-tier healthcare in Las Vegas.
A proactive, concierge approach to lifelong health
Specializing in Atherosclerosis, Acute Coronary Syndrome (ACS), Hypertension & Lipid Disorders
Treating diseases related to the endocrine system which regulates hormones in the body. Specializing in metabolic disorders, growth and development issues, and reproductive health concerns.
Treating diseases that affect the joints, muscles, bones, and connective tissue. Specializing in managing chronic pain, inflammation, and immune system dysfunction
State-of-the-art cardiac imaging, EKG, and lipid testing for early detection & prevention
Complete Care – Seamless coordination of care across all specialties
Delivering exceptional, concierge-level primary and speciality care services to the Las Vegas community.
Princeton Longevity Center is led by a distinguished team of board-certified physicians specializing in preventive medicine, cardiology, radiology, and longevity medicine. Our medical experts are dedicated to guiding you toward optimal health with a truly personalized approach.
A renowned cardiovascular and internal medicine specialist, Dr. Ameli trained at Northwestern University Feinberg School of Medicine and completed his residency and cardiology fellowship at Cedars-Sinai Medical Center. With a distinguished background in Atherosclerosis, Lipid Disorders, Acute Coronary Syndrome, Hypertension, and Preventive Cardiology, Dr. Ameli is dedicated to evidence-based, patient-centered care.
A highly accomplished cardiologist, Dr. Dadourian is board-certified in Cardiovascular and Internal Medicine and specializes in Interventional Cardiology, including coronary stents and angioplasty. A former Governor of the American College of Cardiology in Nevada and Director of the Las Vegas Chapter of the American Heart Association, Dr. Dadourian is committed to advancing heart health through innovation and personalized treatment.
Dr. Brian Alfred Berelowitz was born in Cape Town, South Africa. He is a proud graduate of the University of Cape Town Medical School. Postgraduate training included internships in general internal medicine, pediatrics, surgery, neurosurgery, and obstetrics and gynecology. After time spent in the United Kingdom working in the National Health System, “Dr B” was then accepted to residency at Michael Reese Hospital affiliated with the University of Chicago. Following completion of his internal medicine residency, he moved to Boston, Massachusetts, where he completed his diabetes fellowship at the Joslin clinic, New England Deaconess Hospital at Harvard Medical School, and his Endocrinology fellowship training at Boston University Hospital. He moved to Las Vegas in 1990 & has built a successful, thriving endocrinology practice and has earned the respect of his colleagues and the love of his patients. Dr. Berelowitz’s diverse experience and excellent bedside manner have made him one of the most sought-after physicians in his field. Dr. Berelowitz has received numerous successive Top Doctor awards in his field during his years in Las Vegas. He is a member of the American Diabetes Association, the Endocrine Society, and the National Lipid Association to remain abreast of the latest advancements.
He is an avid guitar player currently recording an album of his own compositions, and also enjoys vigorous long-distance swimming.
Dr. Elham Taherian has been practicing Rheumatology since 2011. She completed her internal medicine training at the University of Nevada School of Medicine, where she was elected and served as chief resident. After residency, Dr. Taherian pursued a fellowship program in Rheumatology at University Hospitals Case Medical Center in Cleveland, Ohio. Following her fellowship, she returned to Las Vegas and worked as faculty at the University of Nevada School of Medicine for two years. Dr. Taherian then joined Dignity Health Medical Group’s multi-specialty clinic, where she practiced from 2014 until July 2024.
As a Rheumatologist, Dr. Taherian diagnoses and treats autoimmune conditions such as Rheumatoid Arthritis, Psoriatic Arthritis, Systemic Lupus Erythematosus, Sjogren’s Syndrome, Myositis, Vasculitis, Scleroderma, Polymyalgia Rheumatica, Giant Cell Arteritis, as well as Gout and osteoporosis. Additionally, she performs joint aspiration and joint injections.
In her personal life, Dr. Taherian enjoys working out, cooking, and traveling.
Experience concierge-level, expert-driven multi-specialty medical care that puts prevention and overall well-being first. Schedule a consultation today to take a proactive approach to your health.
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