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Cyber Security Incident

Madison Medical Affiliates is currently experiencing a business interruption associated with the cyber security incident at Ascension Health. As a result, access to electronic medical records and patient schedules have been impacted. Despite these limitations, Madison Medical remains open at all locations to meet your health care needs. If you are visiting our clinics during this interruption, please bring a list of your current medications. 

We are working diligently to ensure this disruption has minimal impact on our clinic operations. We will share more information as it becomes available. Thank you for your patience and thank you for entrusting Madison Medical with your care. 

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Joseph Regan

Joseph Regan, M.D.

Dr. Joseph Regan received his bachelor's degree from the University of Michigan in Ann Arbor and went on to complete a degree in medicine at Northwestern University in Chicago. He completed his residency in General Surgery at the University of Maryland Medical System in Baltimore and fellowship in Laparoscopic Digestive Surgery at Mount Sinai Medical Center in New York. Dr. Regan is Board Certified in Surgery and his focuses include advanced Laparoscopic Surgery and Bariatric Surgery. He is a staff surgeon at Columbia St. Mary's and an Assistant Clinical Professor of Surgery at the Medical College of Wisconsin. He is also Medical Director for the Columbia St. Mary's Bariatric Center.

Office Locations

Seton Surgery - Dr. Regan

13133 N. Port Washington Road
Suite 224
Mequon, WI 53097
Appointments: (262)-243-0070

WTMC Surgery - Dr. Regan

2350 N. Lake Drive
Suite 304
Milwaukee, WI 53211
Appointments: (262)-243-0070

Additional Surgery Physicians

Schedule An Appointment

Get started on the road to healing by scheduling an appointment with our Joseph Regan, M.D. Call for an appointment or complete our contact form.

Seton Professional Building (262) 243-0070

Water Tower Medical Commons (262) 243-0070

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