Dr. Sheldon R. Lewis

Bob H. Sun, MD, a rheumatologist at Endeavor Health, provides care for autoimmune and inflammatory conditions affecting the joints and connective tissues. His clinical expertise includes rheumatoid arthritis, osteoarthritis, ankylosing spondylitis and crystalline arthropathies. Dr. Sun offers comprehensive evaluations and evidence-based treatment to help reduce pain and support joint function. Dr. Sun is rated as a Distinguished provider by MediFind in the treatment of Necrotizing Vasculitis. His top areas of expertise are Chondrocalcinosis 2, Calcium Pyrophosphate Arthritis, Rhizomelic Pseudopolyarthritis, and Polymyalgia Rheumatica.

Justin B. Gan, MD, a rheumatologist at Endeavor Health, specializes in the treatment of autoimmune and inflammatory conditions. He manages complex diseases such as lupus, dermatomyositis, gout and ankylosing spondylitis. Dr. Gan performs procedures like arthrocentesis and steroid injections to help relieve joint inflammation and improve mobility. Dr. Gan is rated as a Distinguished provider by MediFind in the treatment of Necrotizing Vasculitis. His top areas of expertise are Calcium Pyrophosphate Arthritis, Polymyalgia Rheumatica, Rhizomelic Pseudopolyarthritis, and Relapsing Polychondritis.

Janusz Dudek is a primary care provider, practicing in Internal Medicine in Glenview, Illinois. Dr. Dudek has been practicing medicine for over 42 years and is rated as an Advanced provider by MediFind in the treatment of Necrotizing Vasculitis. His top areas of expertise are Temporal Arteritis, Juvenile Temporal Arteritis, Giant Cell Arteritis (GCA), and Necrotizing Vasculitis.