27 Radiation Oncology providers practice in Maine, including 6 (22%) 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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| Radiation Oncology in Portland | 10 providers |
| Radiation Oncology in Brewer | 7 providers |
| Radiation Oncology in Augusta | 2 providers |
| Radiation Oncology in Lewiston | 2 providers |
| Radiation Oncology in Presque Isle | 2 providers |
| Radiation Oncology in Scarborough | 1 providers |
| Radiation Oncology in Falmouth | 1 providers |
| Radiation Oncology in Bangor | 1 providers |
| Radiation Oncology in Cumberland | 1 providers |
From CMS Medicare enrollment records covering 16 of the 27 providers listed here (59%). Providers who do not bill Medicare are not included in these figures.
| Group (as registered with Medicare) | Radiation Oncologists | All clinicians in group | Main city |
| Spectrum Healthcare Partners PA | 9 | 305 | Portland |
| Maine Center for Cancer Medicine and Blood Disorders PA | 4 | 69 | Westbrook |
| Northeast Radiation Oncology PA | 4 | 4 | Brewer |
| Mainehealth | 3 | 2,616 | Portland |
| Hospital | City | Ownership | CMS star rating | Radiation Oncologists affiliated |
| Mainehealth Maine Medical Center | Portland | Nonprofit | 4 of 5 | 9 |
| Northern Light Eastern Maine Medical Center | Bangor | Nonprofit | 5 of 5 | 5 |
| York Hospital | York | Nonprofit | 4 of 5 | 4 |
| Northern Light Mercy Hospital | Portland | Nonprofit | 4 of 5 | 4 |
| St Joseph Hospital | Bangor | Nonprofit | 3 of 5 | 3 |
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 27 Radiation Oncology providers with active NPI records practicing in Maine, according to federal NPPES data refreshed monthly.
Yes. 6 of the 27 Radiation Oncology providers in Maine (about 22%) report offering telehealth services in CMS data.
Portland (10), Brewer (7), Augusta (2) have the highest concentration of Radiation Oncology providers in Maine.
10 of 27 Radiation Oncology providers in Maine (37%) received at least one payment from a drug or device company in 2025, according to the federal Open Payments program.
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 16 Radiation Oncologists in Maine enrolled in Medicare, 31% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 69% 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 Radiation Oncologists hold privileges are Mainehealth Maine Medical Center in Portland; Northern Light Eastern Maine Medical Center in Bangor; York Hospital in York.
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