Knoxville Chiropractor. Dr. Manuel M. Mendez provides Chiropractic, Back Pain, Neck Pain, Headaches, Pain Management, X-ray, Pain Treatments, back pain relief, neck pain relief to the following locations: 37912, 37849, East Tennessee, 37918, Powell. 37912 Chiropractor providing Chiropractic, Back Pain, Neck Pain, Headaches, Pain Management, X-ray, Pain Treatments in Knoxville, 37912, 37849, East Tennessee, 37918, Powell, Tennessee.