About A/Professor Sammel

Associate Professor Sammel is a Sydney based rheumatologist and vasculitis specialist. He sees patients with all forms of inflammatory, connective tissue and musculoskeletal diseases and has subspecialist expertise in vasculitis. Vasculitis refers to a family of conditions where the immune system attacks blood vessels and includes conditions such as giant cell arteritis, Takayasu arteritis, ANCA associated vasculitis, cryoglobulinaemia, IgG4 and Behcet disease.

A/Prof Sammel has public hospital appointments at Prince of Wales and Sydney Eye Hospitals. At these sites he leads the rheumatology vasculitis service and coordinates clinical trials. He admits and consults on patients with general rheumatological conditions including gout, rheumatoid arthritis, ankylosing spondylitis, SLE (lupus), osteoarthritis, myositis and bursitis. He also provides rheumatology support for the uveitis, interstitial lung disease and pulmonary hypertension teams.

He completed rheumatology training at Prince of Wales and Royal North Shore Hospitals before undertaking a vascular medicine fellowship at St Vincent’s Hospital, Darlinghurst. Subsequently he undertook a clinical observership with the rheumatology vasculitis service at Mayo Clinic, Rochester, USA.

In addition to clinical work, A/Prof Sammel is a conjoint Associate Professor at the University of New South Wales and has published extensively on giant cell arteritis, a condition which was the focus of his PhD. He has spoken on vasculitis at national and international conferences.

A/Prof Sammel
Rheumatologist & Vasculitis Specialist


Rheumatology is a medical specialty which focuses on musculoskeletal (joints, muscles and bones) and autoimmune systemic (body-wide) conditions. Conditions can relate to aging and mechanical loading (eg osteoarthritis, lower back pain), overactivation of the immune system (eg rheumatoid arthritis, psoriatic arthritis, ankylosing spondylitis, systemic lupus erythematosus), and disorders of metabolism (eg gout)…



Vasculitis refers to a group of rare disorders in which the immune system attacks blood vessels (arteries, veins and/or capillaries). Patients may feel generally unwell and symptoms can involve any part of the body. The combination of typical symptoms, blood test results and either advanced imaging or a biopsy of an affected area is usually required to confirm a diagnosis. Patients may describe one of more…