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 September 24th, the CDC is recommending booster vaccinations for certain individuals who have previously received the Pfizer-BioNTech COVID-19 vaccine.
  • Availability: Madison Medical is only offering the Moderna COVID-19 vaccine at the time. To locate the Pfizer-BioNTech COVID-19 vaccine in your area, please visit vaccines.gov.
  • *IMPORTANT*: We will continue to monitor further developments around booster vaccinations and update our website accordingly.
COVID-19 Vaccine Update Close

Rachel Oosterbaan, M.D.

Rachel Oosterbaan, M.D.

Dr. Rachel Oosterbaan attended medical school at Wayne State University in Detroit, and she completed her residency in Internal Medicine at Harvard Medical School during her postdoctoral training. In addition to serving as an attending physician at Northwestern Medicine® Lake Forest Hospital in Lake Forest, Illinois and at Northwestern Memorial Hospital in downtown Chicago over the past 16 years, Dr. Oosterbaan also worked as an assistant professor at Northwestern University’s Feinberg School of Medicine since 2000. Dr. Oosterbaan is board certified in Internal Medicine. Her most recent achievements include being voted by Castle Connolly as a “Top Doctor” in the Chicago metropolitan area, as well as voted by US News Report as a “Best Doctor.”

LEARN MORE ABOUT INTERNAL MEDICINE »

Office Locations:

Seton Professional Building

13133 N Port Washington Rd, Suite G18 | Mequon, WI 53097
Appointments: (262) 243-5000