23 Critical Care Medicine (Internal Medicine) providers practice in Maine, including 1 (4%) offering telehealth. The largest concentration is in Portland. 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 14 of the 23 providers listed here (61%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Critical Care Doctors (Internal Medicine) | All clinicians in group | Main city |
| Mainehealth | 4 | 2,616 | Portland |
| Chest Medicine Associates PA | 4 | 30 | South Portland |
| Eastern Maine Medical Center | 2 | 659 | Bangor |
| Central Maine Medical Center | 2 | 344 | Lewiston |
| Mercy Hospital | 2 | 307 | Portland |
| Hospital | City | Ownership | CMS star rating | Critical Care Doctors (Internal Medicine) affiliated |
| Mainehealth Maine Medical Center | Portland | Nonprofit | 4 of 5 | 8 |
| Maine General Medical Center | Augusta | Nonprofit | 4 of 5 | 3 |
| Central Maine Medical Center | Lewiston | Nonprofit | 4 of 5 | 3 |
| Bridgton Hospital | Bridgton | Nonprofit | 3 of 5 | 2 |
| Northern Light Eastern Maine Medical Center | Bangor | Nonprofit | 5 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 23 Critical Care Medicine (Internal Medicine) providers with active NPI records practicing in Maine, according to federal NPPES data refreshed monthly.
Yes. 1 of the 23 Critical Care Medicine (Internal Medicine) providers in Maine (about 4%) report offering telehealth services in CMS data.
Portland (9), Lewiston (3), South Portland (3) have the highest concentration of Critical Care Medicine (Internal 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.
Among 14 Critical Care Doctors (Internal Medicine) in Maine enrolled in Medicare, 0% bill through a solo or small practice with fewer than 10 clinicians, 21% through a mid-size group of 10 to 99, and 79% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the Maine hospitals where the most Critical Care Doctors (Internal Medicine) hold privileges are Mainehealth Maine Medical Center in Portland; Maine General Medical Center in Augusta; Central Maine Medical Center in Lewiston.
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