Medical services, namely, treatment and management of chronic pain; medical treatment and therapy in the field of pain management; medical clinics providing diagnostic and therapeutic interventional pain procedures, namely, epidural injections, discogram and discography procedures, facet joint injections, intrathecal pump implants, kyphoplasty procedures, vertebroplasty procedures, minimally invasive lumbar decompression, nerve, root and medical branch blocks, percutaneous discectomy procedures, nucleoplasty procedures, radiofrequency ablation procedures, rhizotomy, spinal cord stimulation, joint injections, trigger point injections, neurolytic blocks and sympathetic blocks for acute and chronic pain management; medical services in the field of pain management, medical management of pain, pain treatment, pain prevention, diagnostic procedures for pain, therapeutic interventional procedures for pain, and testing for pain; medical services in the field of physical rehabilitation, namely, evaluation, identification, and management of pain to restore, maintain, and promote physical function; providing medical advice in the field of pain management and pain prevention; minimally-invasive surgical services, treatments and pain management therapy; performing diagnosis of diseases; medical services namely, evaluating, diagnosing and providing interventional therapeutics for pain management; providing medical advice in the field of interventional diagnostics and therapies; medical services; providing medical information