Coronavirus Precautions

Update: IPI continues our commitment to keeping your office visit experience safe by following the latest CDC guidelines. Currently, telemedicine visits are offered on a case by case basis if arrangements have been made with your IPI provider.

Read more

Hours Of Operation

  • Monday
    8:00am - 4:00pm
  • Tues
    8:00am - 4:00pm
  • Wednesday
    8:00am - 4:00pm
  • Thursday
    8:00am - 4:00pm
  • Friday
    8:00am - 4:00pm
  • Sat-Sun


Our team is standing by to help answer any questions you have. Dr. Johnston and his staff look forward to meeting you.

"Serving People, Treating Pain"

Tel: (225) 769-3636

Contact IPI
Dr Barrett Johnson

Meet Dr. Barrett Johnston

Dr. Barrett Johnston was born in New Orleans, Louisiana and is a graduate of California Polytechnic State University. He obtained his medical degree at Louisiana State University in New Orleans. His anesthesia residency and pain fellowship were both completed at Harvard’s School of Medicine at Brigham and Women’s Hospital in Boston, Massachusetts.

Following his training, Dr. Johnston returned to Louisiana and founded Interventional Pain Institute in Baton Rouge. Dr. Johnston works primarily in Baton Rouge and provides diagnosis and pain management treatment to individuals suffering from a wide array of conditions that cause chronic pain. He employs a multimodal approach of therapies and disciplines to create an individualized pain management treatment plan for each patient...

>> Read Dr. Barrett's Full Bio

Patients Testimonial

See what our amazing clients have to say about Interventional Pain Institute!


Pain Management Treatment Procedures by Interventional Pain Institute

Epidural Steroid Injections

This injection procedure is performed to treat the pain of an inflamed nerve in your spine.

Facet Joint Injections

The facet joints, which are found on both sides of the back of the spine, can become painfully irritated or inflamed.

Selective Nerve Root Blocks

These injections target a painful nerve in the spine which specific nerve is being pressed on by a herniated disc, spinal stenosis.

Medial Branch Blocks

This is an injection of numbing medicine. It bathes the medial branch nerves, which attach to the facet joints of the spine.

Radiofrequency Ablations

During this minimally invasive procedure, the physician uses heat from radio waves to treat painful facet joints.

Monitored Anesthesia Care

Conscious sedation is a type of anesthesia that makes the patient feel very relaxed. It reduces the awareness of pain.

Trigger Point Injections

This outpatient procedure is designed to reduce or relieve the pain of trigger points. These small, tender knots can form in muscles or in the fascia.

Spinal Cord Stimulator Trials

Spinal Cord Stimulation (also called SCS) uses electrical impulses to relieve chronic pain of the back, arms and legs.