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 November 19th, the CDC is recommending booster vaccinations for all individuals 18+ at least 6 mos after having received their second dose of either Pfizer or Moderna.
  • Availability: Madison Medical is not offering any COVID-19 vaccines at the time. To locate the COVID-19 vaccine in your area, please visit
  • *IMPORTANT*: We will continue to monitor further developments around booster vaccinations and update our website accordingly.
COVID-19 Vaccine Update Close

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