The Chamber of St Matthews Elkhorn Primary Care, LLC. Share: Medical Systems Elkhorn Primary Care, LLC. 112 East Main St. Louisville, KY 41522 (606) 754-5793 Rep Info Map Whom to Contact Crystal Branham owner 112 East Main St. Louisville, KY 41522 Phone: (606) 754-5793 What's Nearby? Distance: 5 10 15 20 25 50 mi.