Dr. John O'Connell, MD
Dr. John O'Connell, MD is a radiation oncologist in Seneca, SC and has over 30 years of experience in the medical field. He graduated from Georgetown University School of Dentistry in 1993. He is affiliated with medical facilities Prisma Health Greenville Memorial Hospital and Prisma Health Greer Memorial Hospital. He is accepting new patients.
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131 Lila Doyle Dr Seneca, SC 29672Make an Appointment
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About Me
biography
Dr. John O'Connell, MD is a radiation oncologist in Seneca, SC and has over 30 years of experience in the medical field. He graduated from Georgetown University School of Dentistry in 1993. He is affiliated with medical facilities Prisma Health...read moreRadiation Oncology
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Georgetown University School Of Dentistry
Medical School, 1993
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Learn more about medical license public record checkOptimization of tumor-treating field therapy for triple-negative breast cancer cells in vitro via frequency modulation, 2023-06-07
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Affiliated Hospitals
- Recipient of 5
hospital awardsView all awardsPatient Safety Excellence Award™ (2025)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
89%Patients said they were given information about recovering at home2% higher than the national average
83%Patients said that doctors always listened to them and explained things well5% higher than the national average
- Recipient of 25
hospital awardsAmerica's 250 Best Hospitals Award™ (2025, 2024)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all awardsPatient Safety Excellence Award™ (2025, 2024)
Top in the nation for providing excellence in patient safety by preventing infections, medical errors, and other preventable complications
View all patient feedbackHow patients felt about the care they received at this hospital.
84%Patients said they were given information about recovering at home76%Patients said that doctors always listened to them and explained things well
Compare with other Radiation Oncologists
Compare Dr. O'Connell with our nearby Radiation Oncologists at Mayo.