About the Area – Kansas City, Missouri: Independence, MO is part of the greater Kansas City metro area, offering an affordable cost of living, short commutes, and access to some of the region's most desirable communities, including Lee's Summit, Overland Park, and Blue Springs. About Us: Located at 600 West 23rd St S in Independence, MO, Three Trails Animal Hospital is a full-service companion animal hospital committed to comprehensive, high-quality veterinary care with an emphasis on exceptional client service and patient outcomes.