28 Radiation Oncology providers practice in Hawaii, including 14 (50%) offering telehealth. The largest concentration is in Honolulu. 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 Honolulu | 19 providers |
| Radiation Oncology in Hilo | 3 providers |
| Radiation Oncology in Wailuku | 2 providers |
| Radiation Oncology in Tripler Army Medical Center | 2 providers |
| Radiation Oncology in Kealakekua | 1 providers |
| Radiation Oncology in Lihue | 1 providers |
From CMS Medicare enrollment records covering 20 of the 28 providers listed here (71%). 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 |
| The Queens Medical Center | 8 | 191 | Honolulu |
| Cancer Center of Hawaii LLC | 6 | 6 | Honolulu |
| Gamma Knife Center of the Pacific Inc. | 6 | 6 | Honolulu |
| Pacific Radiation Oncology LLC | 6 | 6 | Honolulu |
| Hilo Benioff Medical Center | 3 | 131 | Hilo |
| Hospital | City | Ownership | CMS star rating | Radiation Oncologists affiliated |
| The Queens Medical Center | Honolulu | Nonprofit | 3 of 5 | 12 |
| Pali Momi Medical Center | Aiea | For-profit | 4 of 5 | 4 |
| Hilo Benioff Medical Center | Hilo | Government | 3 of 5 | 3 |
| Straub Clinic and Hospital | Honolulu | For-profit | 4 of 5 | 2 |
| Maui Memorial Medical Center | Wailuku | Government | 2 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 28 Radiation Oncology providers with active NPI records practicing in Hawaii, according to federal NPPES data refreshed monthly.
Yes. 14 of the 28 Radiation Oncology providers in Hawaii (about 50%) report offering telehealth services in CMS data.
Honolulu (19), Hilo (3), Wailuku (2) have the highest concentration of Radiation Oncology providers in Hawaii.
21 of 28 Radiation Oncology providers in Hawaii (75%) 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 20 Radiation Oncologists in Hawaii enrolled in Medicare, 50% bill through a solo or small practice with fewer than 10 clinicians, 0% through a mid-size group of 10 to 99, and 50% through a large group or health system with 100 or more clinicians, according to CMS enrollment records.
According to CMS facility affiliation records, the Hawaii hospitals where the most Radiation Oncologists hold privileges are The Queens Medical Center in Honolulu; Pali Momi Medical Center in Aiea; Hilo Benioff Medical Center in Hilo.
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