6 Undersea and Hyperbaric Medicine (Emergency Medicine) providers practice in Maine. The largest concentration is in Lewiston. Profiles include federal Open Payments records of money received from drug and device companies in 2025. Listings are drawn from federal public records and are not endorsements.
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From CMS Medicare enrollment records covering 4 of the 6 providers listed here (67%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Undersea and Hyperbaric Medicine Doctors (Emergency Medicine) | All clinicians in group | Main city |
| St Joseph Hospital | 2 | 197 | Bangor |
| St Marys Regional Medical Center | 2 | 192 | Lewiston |
| Hospital | City | Ownership | CMS star rating | Undersea and Hyperbaric Medicine Doctors (Emergency Medicine) affiliated |
| Central Maine Medical Center | Lewiston | Nonprofit | 4 of 5 | 2 |
| St Mary's Regional Medical Center | Lewiston | Nonprofit | 4 of 5 | 2 |
| Northern Light Eastern Maine Medical Center | Bangor | Nonprofit | 5 of 5 | 2 |
| St Joseph Hospital | Bangor | Nonprofit | 3 of 5 | 2 |
Sources: CMS Doctors and Clinicians (August 2026) and Facility Affiliation files (August 2026); hospital ownership type and overall star rating from CMS Hospital General Information (July 2026). A clinician in several groups is counted once, in the largest group they bill through. Ownership type is what the hospital reports to CMS; it does not show private equity or other investor ownership. How we build this directory.
Listed by city, largest first. Payment figures come from the federal Open Payments program, which requires drug and device companies to report what they pay physicians for consulting, speaking, meals, travel and royalties. A disclosed payment is a financial relationship, not evidence of wrongdoing, and many totals reflect a single meal. Figures cover calendar year 2025.
There are 6 Undersea and Hyperbaric Medicine (Emergency Medicine) providers with active NPI records practicing in Maine, according to federal NPPES data refreshed monthly.
Lewiston (3), Bangor (2), South Portland (1) have the highest concentration of Undersea and Hyperbaric Medicine (Emergency Medicine) providers in Maine.
Provider counts and profiles come from the federal NPPES registry and CMS Doctors and Clinicians files. Payment figures come from the CMS Open Payments program for calendar year 2025. The directory refreshes monthly.
According to CMS facility affiliation records, the Maine hospitals where the most Undersea and Hyperbaric Medicine Doctors (Emergency Medicine) hold privileges are Central Maine Medical Center in Lewiston; St Mary's Regional Medical Center in Lewiston; Northern Light Eastern Maine Medical Center in Bangor.
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