Coronavirus Disease 2019 (COVID-19) Update

Madison Medical Affiliates & Ascension are working together to keep our community healthy during this time and prevent the spread of infection while also offering options for easier access to care.

  • If you have a fever, cough or other respiratory symptoms, please call (833) 978-0649 prior to visiting one of our facilities, so you can be screened by a nursing professional.
  • For ongoing COVID-19 updates, visit the Centers for Disease Control website.
  • Ascension Online Care is also offering video urgent care visits at a discounted rate of $20, valid through March, so you can talk to a doctor from home. No insurance required. Use the coupon code HOME at Ascension Online Care.
  • Madison Medical Affiliates & Ascension are implementing temporary visitor restrictions, in both inpatient and outpatient settings, to minimize the spread of viral respiratory infections including COVID-19. Please contact your site of care for instructions.

More about COVID-19 from Ascension

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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.”

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Office Locations:

Seton Professional Building

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