COVID-19 Vaccine Update

Madison Medical Affiliates & Ascension are working together to vaccinate our patients & our community at several sites across SE Wisconsin. Please check our website for updates on eligibility & availability of the COVID-19 Vaccine.

  • Eligibility: Effective April 5th, the Wisconsin Department of Health Services (DHS) expanded vaccine eligibility to EVERYONE 16 and older. 
  • Availability: Madison Medical Affiliates has a small quantity of the Moderna COVID-19 vaccine. Click here to schedule your appointment online. 
  • *IMPORTANT*: The Moderna COVID-19 vaccine requires a 28 day booster shot. Do NOT schedule your 1st dose if you are unable to return for your 2nd dose. 

Click Here to Schedule Your COVID-19 Vaccine

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Joseph Regan, M.D.

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 Professional Building

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

Water Tower Medical Commons

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