Dr. Jonathan Kushi, M.D., is board-certified by the American Board of Internal Medicine and a Fellow of the American College of Rheumatology. He is fellowship-trained in Rheumatology. He earned his medical degree from the University of Southern California, Keck School of Medicine, and completed his residency at the Medical College of Wisconsin. Dr. Kushi brings over a decade of experience to the Rheumatic Disease Center in Milwaukee and Glendale.
Dr. Jonathan Kushi, M.D., is board-certified by the American Board of Internal Medicine and a Fellow of the American College of Rheumatology. He is fellowship-trained in Rheumatology. He earned his medical degree from the University of Southern California, Keck School of Medicine, and completed his residency at the Medical College of Wisconsin. Dr. Kushi brings over a decade of experience to the Rheumatic Disease Center in Milwaukee and Glendale.
The reviews listed below were collected independently of Rheumatic Disease Center through rater8. Each review represents an authentic and verified patient experience.
Dr Kushi spoke to my concerns and did physical exam. Ordered appropriate labwork. Polite and friendly.
(1 week ago)
Feb-2026
Knowledgeable, kind, compassionate care
(1 month ago)
Jan-2026
Very understanding and listens to what you have to say.
(1 month ago)
Jan-2026
I never received an after visit comments so I don’t know how much Tylenol to take every day. I would’ve liked those papers.
(1 month ago)
Jan-2026
Dr Kushi did my hand injections for trigger thumb in my right hand.
Incredible bedside manner, gentle hands during procedure and described every single step along the way.
I am very greatful for the introduction to Dr Kushi.
(1 month ago)
Jan-2026
Dr. Kushi listens when I talk. He is empathetic, kind and thorough. I highly recommend him! I'm so grateful for the care I receive from him.
(1 month ago)
Jan-2026
Dr. Kushi is doing a great job with my rheumatoid arthritis.👊🏻
(2 months ago)
Dec-2025
Extremely professional, knowledgeable, polite, caring and kind person. He doesn’t stop until he figures things out.
(2 months ago)
Dec-2025
Jonathan is a caring individual who was easy to talk to. He also explains things you can understand what's happening with your body and your disease. I would highly recommend him to anybody.
(2 months ago)
Dec-2025
Not to professional unorganized rude receptionist could never call to make appointment always have to leave a message it's just very unprofessional needs improvements
(2 months ago)
Dec-2025
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Rheumatic Disease Center - Glendale
7080 N. Port Washington Rd. Glendale, WI 53217
Rheumatic Disease Center - Layton Avenue
2500 W. Layton Ave. Suite 250 Milwaukee, WI 53221
Dr. Jonathan Kushi, M.D., is an accomplished rheumatology specialist who brings a wealth of experience to his role at Rheumatic Disease Center. With locations in Milwaukee and Glendale, Wisconsin, the practice is a wonderful resource for the community, and Dr. Kushi is proud to be part of the team.
Education has always shaped Dr. Kushi’s path. He began his studies at Johns Hopkins University in Baltimore, Maryland, where he earned his undergraduate degree. He remained at John Hopkins for his Master of Health Science with a concentration in molecular biology and biochemistry.
Dr. Kushi earned his medical degree at the University of Southern California, Keck School of Medicine in Los Angeles. He refined his skills and knowledge through an internship and residency at the Medical College of Wisconsin in Milwaukee.
In more than a decade of experience in rheumatology, Dr. Kushi has refined his bedside manner and communication skills to enhance his efficacy in patient care further. He enjoys getting to know those who rely on him for treatment and watching them reach their goals.
Board-certified by the American Board of Internal Medicine, Dr. Kushi strives to maintain close connections with his peers. He is also a Fellow of the American College of Rheumatology and enjoys seeking out opportunities to learn about new tools and techniques.
Dr Kushi spoke to my concerns and did physical exam. Ordered appropriate labwork. Polite and friendly.
Knowledgeable, kind, compassionate care
Very understanding and listens to what you have to say.
I never received an after visit comments so I don’t know how much Tylenol to take every day. I would’ve liked those papers.
Dr Kushi did my hand injections for trigger thumb in my right hand. Incredible bedside manner, gentle hands during procedure and described every single step along the way. I am very greatful for the introduction to Dr Kushi.
Dr. Kushi listens when I talk. He is empathetic, kind and thorough. I highly recommend him! I'm so grateful for the care I receive from him.
Dr. Kushi is doing a great job with my rheumatoid arthritis.👊🏻
Extremely professional, knowledgeable, polite, caring and kind person. He doesn’t stop until he figures things out.
Jonathan is a caring individual who was easy to talk to. He also explains things you can understand what's happening with your body and your disease. I would highly recommend him to anybody.
Not to professional unorganized rude receptionist could never call to make appointment always have to leave a message it's just very unprofessional needs improvements