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Robert Katz, MD


Robert S. Katz, MD is one of the foremost rheumatologists in Chicago, recognized as one of Chicago Magazine’s ‘Best Doctors’ every year since the list was created in 1998. He has been cited as among the top 1% of rheumatologists nationally by US News & World Report and has received the highest honor from the American College of Rheumatology: Master of the American College of Rheumatology.


In addition to seeing patients in his offices at Rush University Medical Center and Northwestern Medicine, Dr. Katz is a long-time Professor of Medicine at Rush Medical College and an Attending Physician at Northwestern Medicine. He has served as the Joan and Paul Rubschlager Chair for Arthritis Research, Rush University Medical Center

With an early passion for becoming a physician, Dr. Katz received his bachelor’s degree at Columbia University, New York and his medical degree from the University of Maryland Medical School, Baltimore. He completed his medical internship and residency at Barnes Hospital, Washington University Medical Center, St. Louis, and his fellowship in rheumatology at the Johns Hopkins Hospital, Baltimore.

Board-certified in both rheumatology and internal medicine, Dr. Katz is well known for his bedside manner and commitment to research.

Regularly sought out for his expertise in rheumatology, Dr. Katz brought together a group of researchers to change the criteria for the diagnosis of fibromyalgia which have been accepted by the American College of Rheumatology. Additionally, he has published more than 450 original book chapters, papers, and abstracts on a variety of diseases from the mid 1980’s to today. He was involved in research for new drugs to treat rheumatoid arthritis, including the first successful trial of a biologic medicine–Enbrel. He has also participated in many clinical trials to achieve approval for other drugs accepted by the FDA over the last 50 years. He continues to participate in active research to discover the causes and treatment of a variety of diseases.

Making community service a priority, Dr. Katz has been involved with the following organizations: Arthritis Foundation, Northern Illinois Chapter Chairman and Member, Board of Directors; Lupus Foundation of America, Chairman of the Medical Advisory Board; Chairman, Board of Directors; Lupus Society of Illinois; Rheumatology Consultant, U.S. Health and Human Services Agency.

He formerly served as Medical Reporter, CBS2 Chicago, and Medical Editor, Chicago Sun Times.

Dr. Katz is pleased to be in practice with his daughter Alexandra Katz Small, MD and her husband, Ben Small, MD, both board-certified rheumatologists. He is married to wife Carlen and enjoys spending time with his 11 grandchildren. Besides spending time with family, he enjoys traveling.

Dr. Robert Katz can be reached at 312.226.8228 for more information or to schedule an appointment.


Dr. Robert Katz’s many accomplishments include:

Master, American College of Rheumatology, its highest accolade

Professor of Medicine, RUSH Medical College

President, Chicago Rheumatism Society

Named Top Doctor (Top 1% of US physicians) by U.S. News & World Report

Named to each Chicago Magazine Best Doctors list

Chairman of the Board, Lupus Society of Illinois

Patients’ Choice award, top 5% of US physicians

Pioneer award for innovative research, Lupus Foundation of America

Official Team Rheumatologist, Chicago White Sox

Former Medical editor, CBS-TV

Medical editor, Chicago Sun Times.

Reporter, American Medical Association CNBC

Medical editor, FOX-TV

Completed first pilot study of Enbrel, which became approved by the FDA

Developed a new diagnostic technique for fibromyalgia

Medical practices at both RUSH University Medical Center and Northwestern Medicine

Published close to 400 academic papers and abstracts in the field of rheumatology

Medical training includes Johns Hopkins University Rheumatology fellowship program


Chicago Office

1725 W Harrison St #365, Chicago, IL 60612
TEL: 312-226-8228


1725 W Harrison St #365, Chicago, IL 60612

Chicago Office

676 N St Clair St #1717, Chicago, IL 60611
TEL: 312-226-8228


676 N St Clair St #1717, Chicago, IL 60611

Westchester Office

2450 S Wolf Rd, Westchester, IL 60154
TEL: 312-226-8228



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