Our Physicians
Dr. Marcus established RANJ - one of the first rheumatology practices in Bergen County in 1976. A graduate of Cornell University, he received his M.D. degree from the Albert Einstein College of Medicine. After completing an internship at Coney Island/Maimonides Hospital, he was selected to serve two years at the National Institute of Health (NIH) where he was a Lieutenant Commander in the U.S. Public Health Service Research Associate studying cartilage metabolism. After completing this tour of duty, he was a medical resident at the Mount Sinai Hospital in New York and then completed a Rheumatology Fellowship at the Hospital for Special Surgery.

Dr. Marcus served as Chief of Rheumatology at Holy Name Medical Center for 28 years and Chief of Rheumatology at Hackensack University Medical Center for 13 years. A noted expert in the diagnosis and treatment of of Osteoporosis, he established the Osteoporosis Centers at both hospitals. Since 1988 he has analyzed more than 100,000 bone density tests, more than any other physician in the state. He is the author of 13 medical journal articles, abstracts of national scientific presentations, and textbook chapters. He has been an innovator in aggressively treating patients with Rheumatoid Arthritis with multiple Disease Modifying Anti-Rheumatic Drugs and in treating lupus, vasculitis, scleroderma, and other connective tissue disorders with novel biologic drugs. He was the first rheumatologist in NJ to employ hylan gel injections to treat Osteoarthritis of the knees, and he was one of the first rheumatologists, along with Dr. Gonter, to use ultrasonography for diagnostic purposes and ultrasound-guided joint injections. A leading clinical researcher, he been an investigator in more than 50 trials of drugs for the treatment of Rheumatoid Arthritis, Osteoporosis, Lupus, Osteoarthritis, Gout, and Polymyalgia Rheumatica. He has been on the faculty of UMDNJ for 34 years and is Associate Professor of Medicine at the Rutgers Robert Wood Johnson School of Medicine.

Dr. Marcus has been honored by his peers who voted him as one of the "Top Doctors" in the New York/New Jersey area for an unprecedented 17 consecutive years.
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Dr. Gonter received his M.D. degree from SUNY Syracuse. He performed his residency in Internal Medicine at UMDNJ at Newark and fellowship in rheumatology at SUNY Downstate in Brooklyn. Dr. Gonter is an Assistant Professor of Clinical Medicine at Columbia University College of Physicians and Surgeons in New York City and is active on the voluntary teaching staff there attending clinics and consultations. He has been elected many times to NJ Top Doctors  as well as the prestigious Castle Connolly Top Doctors.  

Dr. Gonter is board certified in rheumatology and has served as a primary investigator in numerous clinical research studies in rheumatoid arthritis, osteoarthritis, gout, SLE, and osteoporosis for academic institutions as well as pharmaceutical companies. He has written a blog on osteoporosis for a few years and has been interviewed for many media outlets including CBS in NY, U.S. News and World reports and News 12 NJ, among others. 
Dr. Kimel has been actively practicing medicine since 2003. He was awarded his Doctorate in Medicine from The University of The State of New York after completion of his schooling at New York Medical College.  He completed his internship and residency at Mount Sinai School of Medicine at Jersey City Medical Center in Internal Medicine. He also served as chief medical resident at the same institution where he worked under Dr. Robert G. Lahita, a world renowned Lupus and Autoimmune Disease expert and author.  He completed a rigorous fellowship at Robert Wood Johnson School of Medicine in Rheumatology and Connective tissue diseases. He is an active member of the American College of Physicians (ACP), American Medical Association (AMA), and the American College of Rheumatology (ACR). He is board certified by the American Board of Internal Medicine.

Dr. Kimel continues to be active in the American College of Rheumatology at the Fellows Mentoring session and in various committees with assisting in the fellows transitioning into private practice. He has published several papers regarding rheumatological diagnosis and care.  His primary interests are the inflammatory myopathies, rheumatoid arthritis, Polymyalgia Rheumatica, Systemic Lupus Erythematosus, vasculitis and gout. His care is highly sought after as he enjoys managing complicated medical cases.

He presently teaches medical students at New York Medical College. He has been awarded various teaching and accomplishment awards from his past institutions.

Dr. Kimel is fluent in Spanish and Romanian.
Dr. Silverberg received her Medical Degree with Honors from the University of Toronto. She completed residency in Internal Medicine at Columbia Presbyterian Medical Center followed by fellowship in Rheumatology at the Hospital for Special Surgery/Weill-Cornell Medical Center in New York.

Following fellowship Dr. Silverberg served as Research Assistant Professor in the Department of Rheumatology at the State University of New York – University at Buffalo where she taught and conducted clinical research. She has a Masters degree in Clinical Epidemiology and has published several articles in prominent medical journals on gout, osteomalacia, rheumatoid arthritis, and the antiphospholipid antibody syndrome.

Dr. Silverberg joined Rheumatology Associates of North Jersey in 2010.
Dr. Miceli was born and raised in Monmouth County, New Jersey, where he attended Christian Brothers Academy. He subsequently studied biological sciences and Spanish at Fordham University; while there, he was elected to Phi Beta Kappa and graduated summa cum laude in cursu honorum. He received his medical degree from Albert Einstein College of Medicine.

Following medical school, Dr. Miceli pursued his residency in internal medicine at Mount Sinai-Beth Israel in New York, where upon completion, he was the recipient of the Dr. Ira B. Cohen Award in recognition of the most outstanding house officer. He served an additional year there as Chief Medical Resident, during which time he taught and mentored innumerable medical trainees and participated in a variety of institution-wide quality improvement projects. 

Dr. Miceli completed his rheumatology fellowship at New York-Presbyterian/Columbia University Medical Center, where he currently is a Clinical Instructor of Medicine.

Dr. Miceli has a particular interest in medical education and systemic lupus erythematosus (SLE, "Lupus"). He has conducted research on the monitoring of hydroxychloroquine levels among lupus patients, the results of which were presented nationally at the annual meeting of the American College of Rheumatology. Collaborating with investigators at Columbia, his most recent project investigated the clinical use of blood hydroxychloroquine level monitoring in lupus. In addition, Dr. Miceli is an active member of the American College of Physicians, having served multiple times as an abstract reviewer for their annual national meeting.

Dr. Miceli speaks Spanish fluently and is an excellent addition to our team of rheumatology specialists



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Ralph E. Marcus, M.D., F.A.C.R.
Neil J. Gonter, M.D., F.A.C.R.
Alexandru F. Kimel, M.D., F.A.C.R.
Miriam Silverberg, M.D., F.A.C.R.
James Miceli, M.D. F.A.C.R.
Dr. Sary Aristy has returned back to Rheumatology Associates of North Jersey. She has specific interests in Rheumatoid Arthritis, Systemic Lupus Erythematosus, Gout, Osteoarthritis, and tendonitis and bursitis.

She is a native of the Dominican Republic where she grew up with a love of the specialty as her parents are both practicing Rheumatologists. 

Dr. Aristy was the valedictorian of her class with the highest test scores in medicine at the Universidad Iberoamericana. After completing her Medical Residency at St. Luke’s Roosevelt Hospital in New York and attaining Board Certification in Internal Medicine, Dr. Aristy was a Rheumatology Fellow at SUNY Downstate, where she was trained by a world renowned lupus expert and other nationally famous rheumatologists. 

To further her training and expertise, she completed an additional training program at Mt. Sinai St. Luke’s-Roosevelt Hospital in Geriatrics, with experience in pain management.

Dr. Aristy speaks Spanish fluently and is an excellent addition to our team of rheumatology specialists
Sary Aristy, M.D. F.A.C.R.