kernanchiro.com/ - Give us a call today at (904) 338-9400. Dr. Wetzork of Kernan Chiropractic Center, is dedicated to providing excellent patient care. The doctor specializes in massage therapy, nutritional counseling, and chiropractic care. The facility has state of the art equipment, a highly capable staff, and a professional demeanor for diagnosing and treating specific patients needs. The office is located in Jacksonville and serves the surrounding towns of Arlington and Windy Hill.