Dr. Barrett A. Johnston, MD, Baton Rouge, LA, 70809

Dr. Barrett Johnston is a board certified, fellowship trained pain management physician and founder of the Interventional Pain Institute in Baton Rouge, Louisiana. Dr. Johnston specializes in the diagnosis and pain management treatment to individuals with chronic spine conditions and disorders. He employs a multimodal approach of therapies and disciplines to individualize pain management treatment plans.

Prior to practicing pain management in the Baton Rouge area, Dr. Johnston held Anesthesiology positions in Massachusetts. Currently, he is the Medical Director of the Advanced Pain Institute Treatment Center in Hammond, Louisiana and is also the elected Vice President of the Young Physicians Section of the Louisiana State Medical Society. Dr. Johnston believes it is important to maintain a presence throughout Louisiana in order to make patient care a top priority.

Type of Spine Professional

  • Pain Medicine and Management Physician
  • Anesthesiologist

Areas of Expertise


  • Abdominal Pain
  • Arthritis
  • Back Pain
  • Bursitis
  • Cancer Pain
  • Cervical Radiculopathy
  • Coccydynia
  • Degenerative Disc Disease
  • Facet Joint Syndrome
  • Fibromayalgia
  • Fibromyalgia
  • Headaches
  • Herniated Discs
  • Joint Pain
  • Low Back Pain
  • Migraines
  • Muscle and Joint Stiffness
  • Neck Pain
  • Post Laminectomy Syndrome
  • Sciatica
  • Spinal Stenosis
  • Spondylosis
  • Trigeminal Neuralgia
  • Upper / Lower Limb Pain
  • Whiplash


  • Celiac Plexus Block
  • Cervical Epidural Steroid Injection
  • Discography
  • Facet Joint Injections
  • Fluoroscopic Guided Injections
  • Injections
  • Intrathecal Pump Implant
  • Kyphoplasty
  • Lumbar Epidural Steroid Injections
  • Lumbar Sympathetic Nerve Block
  • Medial Branch Block
  • Medication Management
  • Minimally Invasive Procedures
  • Nerve Root Blocks
  • Nerve Stimulation
  • Physical Therapy
  • Radio Frequency Facet Rhizotomy
  • Radiofrequency Neurotomy
  • Sacroiliac Joint Steroid Injection
  • Spinal Cord Stimulator
  • Steroid Injections
  • Thoracic Epidural Injection
  • Ultrasound Guided Injections


Languages Spoken: English


  • Board Certified, American Board of Anesthesiology
  • Board Certified, American Board of Anesthesiology Pain Medicine

Professional Distinctions

  • Pain Fellowship - Harvard School of Medicine, Boston, Massachusetts
  • Medical Director - Advanced Pain Institute Treatment Center, 2011 - present
  • Vice President of the Young Physicians Section of the Louisiana State Medical Society

Professional Affiliations

  • American Society of Anesthesiologists
  • American Society of Regional Anesthesia and Pain Medicine
  • American Society of Interventional Pain Physicians
  • International Spine Intervention Society