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October 19, 2025

Portland chiropractor expands services with hyperbaric center

Three chambers sit horizontally in a room. Photo / Courtesy New England Hyperbarics New England Hyperbarics is equipped with four chambers.
By Laurie Schreiber

The owner of Portland Chiropractic Neurology is getting ready to open an adjacent practice called New England Hyperbarics.

The chiropractic office is at 959 Congress St., Unit 1. New England Hyperbarics is at the same address in Unit 2.

Dr. Aaron MacArthur, a chiropractic neurologist and president of the Maine Chiropractic Association, established Portland Chiropractic Neurology in 2007 at 19 Commercial St. 

A person poses for a headshot.
FILE PHOTO / TIM GREENWAY
Dr. Aaron MacArthur

In 2013, he bought 959 Congress St., an 8,500-square-foot building on the corner of Congress and St. John streets, for the business. 

Multi-modal care

MacArthur graduated cum laude from the University of Maine in Orono, graduated from Parker College of Chiropractic with a doctorate, received a post-doctorate diploma from the American Chiropractic Neurology Board and obtained fellowships from the American Board of Vestibular Rehabilitation and the American Board of Brain Injury and Rehabilitation. 

Specializing in diagnosing and treating complex neurological and spinal conditions, the practice combines chiropractic care, physical therapy, functional neurology and hyperbaric oxygen therapy. A multimodal approach aims to improve the health of the brain, nervous system and spine without the use of drugs or surgery. 

Pure oxygen

MacArthur's growing interest in Lyme disease led him to establish New England Hyperbarics, Maine’s “first private deep-pressure hyperbaric clinic,” according to a news release. The hospital-grade facility will provide treatments for conditions such as Lyme disease, concussion and wound-healing.

A cylinder has a pad and a monitor.
Photo / Courtesy New England Hyperbarics
The therapy uses pure oxygen under increased atmospheric pressure.

The therapy uses pure oxygen under increased atmospheric pressure, which is considered a way to stimulate healing at the cellular level by significantly increasing the amount of oxygen dissolved in the bloodstream — thus delivering more oxygen to tissues throughout the body to accelerate recovery, optimize cellular function and promote systemic healing, according to the company.

The 4,000-square-foot facility is equipped with four hyperbaric chambers and staffed by a medical doctor consultant, two nurse practitioners and a hyperbaric oxygen therapy technician.

The facility is scheduled to open Nov. 1 and will have capacity for 20 patients per day.

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