Cornerstone Chiropractic Share: Chiropractors Cornerstone Chiropractic Visit Website 804 North 16th Street Montevideo, MN 56265 269-3211 866-442-4673 Hours: M/W/F: Dr. Sam 9:30am-5:30pm Tu/Th:Dr. Sam 7-10am, Dr. Jennie 10am-4:30pm E/O Sat:Dr. Jennie 9a-12 About Map About Cornerstone Chiropractic is owed by Drs. Sam & Jennie Gunlogson. We see patients of all ages & health concerns. We also offer pediatric & pregnancy care and DOT & sports physicals. What's Nearby? Distance: 5 10 15 20 25 50 mi.