Radiation Oncology in Marietta, Georgia
Data updated monthly · Last refresh September 2026
7 Radiation Oncology providers practice in Marietta. Listings are drawn from federal public records and are not endorsements.
Radiation Oncology providers in Marietta
Listed alphabetically. 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.
Dr. David Carpenter, MD, MHSCMarietta, GA · $15 in drug and device payments (2025) · Telehealth ·
(770) 793-5000 Dr. Lorie Hughes, MDMarietta, GA · $15 in drug and device payments (2025) ·
(770) 793-7500 Dr. Mark Mclaughlin, MDMarietta, GA · $1,831 in drug and device payments (2025) · Telehealth ·
(770) 793-7565 Dr. Mark Quinn, MDMarietta, GA · $528 in drug and device payments (2025) ·
(770) 793-7500 Dr. Olusola Obayomi-davies, MDMarietta, GA · $221 in drug and device payments (2025) · Telehealth ·
(770) 793-7500 Dr. Rohit Ganju, MDMarietta, GA · $661 in drug and device payments (2025) · Telehealth ·
(770) 793-7500 Dr. Sheree Brown, M.D.Marietta, GA · $162 in drug and device payments (2025) · Telehealth ·
(770) 793-7500 Common questions
How many Radiation Oncology providers are in Marietta, Georgia?There are 7 Radiation Oncology providers with active NPI records practicing in Marietta, according to federal NPPES data refreshed monthly.
Where does this data come from?Provider records 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.
All specialties in Marietta Radiation Oncology across Georgia