
As of October 1, 2025, Madison Medical Affiliates is considered out-of-network with all UnitedHealthcare insurance plans. This change follows the expiration of the contract between Ascension WI & UHC.
We understand how concerning and frustrating this news may be. UHC covers many of our patients and their families, including our own staff. Please know that this development does not change our commitment to providing you with compassionate, high-quality care.
At this time, patients with UHC may experience higher out-of-pocket costs when receiving care at Madison Medical. We encourage you to:
While Ascension WI & UHC may continue discussions, we must move forward under this out-of-network status until further notice. We will keep you updated on any changes as soon as we learn more.
For more information, you can visit the official negotiation pages for each organization:
Thank you for your patience, understanding, and trust in Madison Medical Affiliates. We are grateful for the opportunity to care for you and your family.
Dr. Unchu Ko earned her degree in medicine from the University of Virginia School of Medicine in 1997 and completed her Internal Medicine Residency at the Cleveland Clinic Foundation in June 2000. Board-Certified in Internal Medicine, she joined the staff of Madison Medical Affiliates in the summer of 2000. Dr. Ko is dedicated to delivering personalized care and emphasizes a preventative approach to long-term health.
788 N. Jefferson Street
Suite 300
Milwaukee, WI 53202
Appointments: (414) 272-8950
Get started on the road to healing by scheduling an appointment with our Unchu Ko, M.D. Call for an appointment or complete our contact form.
Madison Medical - Cathedral Square (414) 272-8950