Sanford Vermillion Medical Center Doctors
Ann Berens, APRN, CRNA
Anesthesiology
Anthony Burbach, PA-C
Family Medicine
Sydney Davis, APRN, CRNA
Anesthesiology
Thomas Flesher, MD
Orthopedic Surgery
Kimberly Hinz, PA-C
Emergency Medicine
Christina Lankhorst, MD
Nephrology
Roy Mortinsen, MD
Family Medicine - Emergency
Tara Oren, PA-C
Emergency Medicine
Jacob Quail, MD
General Surgery
Nicole Schimelpfenig, APRN, CNP
Emergency Medicine
Anastasia Searcy, DO
Family Medicine
Tonja Winekauf, DNP, APRN, CNP
Emergency Medicine
Learn More
Sanford Health News
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College students: Find your dorm, then find a clinic
In the excitement of being on campus, don’t neglect health care needs
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Social anxiety might be behind worry of rejection
This type of anxiety disorder can make you panic or withdraw from others out of fear
Classes & Events
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Boo to the Flu
Sat 10/25/25 9:00 AM - Sat 10/25/25 12:00 PM
Sanford Aberdeen Clinic -
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Boo to the Flu
Sat 10/25/25 9:00 AM - Sat 10/25/25 12:00 PM
Sanford Health Brookings Clinic