Yale Medical Group extends a welcome to its newest physicians

New group brings impressive expertise in a variety of fields

Raj Ayyagari

Diagnostic Radiology

Raj Ayyagari, MD, is a board-certified diagnostic radiologist and an assistant professor of diagnostic radiology. He has clinical interests in biliary interventions, hepatic chemoembolization, general interventional radiology procedures, genitourinary interventions, hepatic radioembolization, interventional oncology, percutaneous tumor ablation, trauma interventions, thoracic duct embolization and uterine fibroid embolization. Dr. Ayyagari completed his medical degree at Yale School of Medicine, and residencies in urology at University of Washington, and diagnostic radiology at Brigham and Women’s Hospital, where he was also a DIRECT Pathway fellow in interventional radiology.

Wassim Fares

Internal Medicine

Pulmonary & Critical Care Medicine

Wassim Fares, MD, MSc, is an assistant professor of pulmonary medicine, board-certified in internal medicine and pulmonary disease. His clinical interests include pulmonary hypertension, pulmonary vascular disease, acute lung injury and heart-lung interactions. Dr. Fares completed his medical degree at American University of Beirut and his master’s at the University of North Carolina. He completed his residency in internal medicine at Saint Vincent Charity Medical Center. He held fellowships in medicine/pulmonary hypertension and heart failure at Hackensack University Medical Center, and in medicine/pulmonary and critical care at University of North Carolina.

Meir Kryger

Meir Kryger, MD, is a pulmonologist, board-certified in internal medicine, pulmonary disease and sleep medicine. His clinical interests include narcolepsy, pediatric sleep disorders, sleep breathing problems, obstructive sleep apnea and sleep disorders in women. Dr. Kryger was previously director of Sleep Research and Education at Gaylord Sleep Medicine, in Wallingford. Before that he was a professor of medicine at the University of Manitoba and director of the Sleep Disorders Centre at St. Boniface Hospital Research Centre, the first clinical laboratory to study patients with sleep breathing problems in Canada. Dr. Kryger wrote several books about sleep and is chief editor of the most widely used text book in sleep medicine, “The Principles and Practice of Sleep Medicine.” He was the first to diagnose and report obstructive sleep apnea in North America. He completed his medical degree at McGill University and his internal medicine residency at Royal Victoria Hospital. He was a fellow in pulmonary physiology at Meakins-Christie Laboratories at McGill and pulmonary medicine at the University of Colorado Medical Center.

Praveen Mannam

Praveen Mannam, MBBS, MS, an instructor in pulmonary medicine, is board–certified in critical care medicine, internal medicine and pulmonary disease. His clinical interests include critical care, lung injury and sepsis. He completed his MBBS at MGR Medical University in India and his master’s at Oregon State University. He finished his residency at Drexel University College of Medicine and a fellowship in pulmonary and critical care at Yale School of Medicine.

Cristina Maria Brunet


Cristina Maria Brunet, MD, is a rheumatologist, board-certified in internal medicine and rheumatology, and an assistant professor of rheumatology. Dr. Brunet completed her medical degree at Yale University, her internal medicine residency at Yale-New Haven Hospital, and a rheumatology fellowship at Yale School of Medicine. She has been a member of the clinical faculty since 1994, before joining the full-time faculty in September 2011. Her clinical interests are in the diagnosis and treatment of inflammatory arthritis and osteoporosis associated with rheumatic diseases.

Daniel Pelletier


Daniel Pelletier, MD, is the new chief of the Multiple Sclerosis Center and Neuroimmunology division, and an associate professor of neurology and diagnostic radiology. His clinical and clinical research interests include multiple sclerosis, neuroimmunology, and quantitative in vivo imaging. He completed his medical degree and residency in neurology at Universite Laval, and fellowships in MR spectroscopy at McGill University, and in neurology and radiology at the University of California in San Francisco.

Neil David Romberg


Neil David Romberg, MD, is board-certified in pediatrics, and joins the practice as an instructor in pediatric immunology. His main clinical interest is in primary immune deficiency diseases. Dr. Romberg completed his medical degree at Penn State University, his pediatric residency and a chief residency at New York University, and a fellowship in allergy and clinical immunology at Yale School of Medicine.