Dr. Bruce Freundlich received a BA in psychobiology from New York University and an MD degree from the Mount Sinai School of Medicine in New York. He completed his training in internal medicine at Jackson Memorial Hospital, University of Miami, then went on to do a fellowship in rheumatology at the University of Pennsylvania. While at Penn he researched natural killer cells with Dr. Giorgio Trinchieri at the Wistar Institute, and later on prostaglandin physiology.

Dr. Freundlich was involved in research at Penn which demonstrated the inhibitory effects of interferon on human fibroblast collagen synthesis. He then translated these findings into one of the first clinical studies in the field of rheumatology to use a recombinant cytokine. He has pioneered new treatments in patients with scleroderma. Dr. Freundlich has also published scientific articles regarding the role of sleep disturbance and viruses on fibromyalgia and the association of environmental products and autoimmune diseases.

Dr. Freundlich remained at the University of Pennsylvania for 12 years and attained the title of Chief of Clinical Rheumatology with an appointment as Clinical Associate Professor of Medicine. He won the "Best Teacher of the Year" award at the University of Pennsylvania in 1992. In 1993 he became the Chief of Rheumatology at the Graduate Hospital in Philadelphia where he currently continues treating rheumatology patients. He is on the executive committees of the Philadelphia Rheumatism Society and the Eastern Pennsylvania chapter of the Arthritis foundation.

Dr. Freundlich is recognized in The Best Doctors in America: Northeast Region and has been cited several times as one of the best physicians in Philadelphia by Philadelphia magazine.