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Important Update Regarding UnitedHealthcare (UHC) Coverage

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:

  • Review your insurance benefits to understand how out-of-network coverage works under your specific plan.
  • Visit UnitedHealthcare’s website or call the customer service number on your insurance card for more information about your options.
  • Reach out to our office with questions - we will do our best to guide you and provide support.

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.

Important Update Regarding UnitedHealthcare (UHC) Coverage Learn More

Surgery

Surgery is the medical specialty used to diagnose and treat illnesses and injuries through manual or operative procedures. Different areas of the body require specific surgical treatments, each tailored to address unique patient needs. Madison Medical's team of highly qualified, board-certified surgeons in the Milwaukee and Mequon area offers services in several areas of expertise, including General Surgery and Bariatric Surgery, ensuring patients receive specialized care across a wide range of conditions.

Meet Our Surgery Physicians

How do I make an appointment with a Madison Medical Surgeon?

Ask your doctor for a referral or call the number below.
For more information or to schedule an appointment with a surgeon, please call:

Dr. Richard Cattey

(262) 243-0064
Specializes in general, laparoscopic and vascular surgery, and the diagnosis and treatment of sports hernias.

Dr. Alysandra Lal, M.D., M.P.H.

(414) 298-7227
Specializes in general, breast and oncologic surgery.

Dr. Joseph Regan

(262) 243-0070
Specializes in general, advanced laparoscopic and bariatric surgery.

Dr. Craig Siverhus

(414) 298-7222
Specializes in general, bariatric, laparoscopic and vascular reconstruction surgery.

Dr. Jasna Coralic

(414) 298-7233
Specializes in general, colon and rectal surgery.

Dr. Jacob Thayer

(414) 298-7176
Specializes in plastic, breast reconstruction, aesthetic and hand surgery.

Schedule An Appointment

Get started on the road to healing by scheduling an appointment with our experienced team of physicians. Call for an appointment or complete our contact form.

Schedule an Appointment