Dr. Thomas J. Sweeney, M.D. is a native of Columbus. He graduated from the Ohio State University with a B.S. in Chemical Engineering and an M.S. in Chemistry. In 1992 he graduated from the Ohio State University College of Medicine with his M.D. He completed his Internship and Residency at the University of Michigan in Ann Arbor.
Dr. Sweeney completed his Fellowship in Medical Oncology at Stanford University in 1998. Dr. Sweeney is Board Certified in Medical Oncology.
Dr. Thomas J. Sweeney, M.D. is a native of Columbus. He graduated from the Ohio State University with a B.S. in Chemical Engineering and an M.S. in Chemistry. In 1992 he graduated from the Ohio State University College of Medicine with his M.D. He completed his Internship and Residency at the University of Michigan in Ann Arbor.
Dr. Sweeney completed his Fellowship in Medical Oncology at Stanford University in 1998. Dr. Sweeney is Board Certified in Medical Oncology.
The reviews listed below were collected independently of Columbus Oncology & Hematology Associates through rater8. Each review represents an authentic and verified patient experience.
One of the best doctors in Columbus, Ohio.
(2 weeks ago)
Jul-2026
Best. Doc. Ever. (In all aspects of care.)
(2 weeks ago)
Jul-2026
He is an exceptional physician. He is whip smart and extremely kind at the same time. I have had the privilege of knowing him for over 17 years. I will miss him terribly when he retires this year. He’s irreplaceable.
(2 weeks ago)
Jul-2026
Great man. Feel as though I am in the best of care.
(3 weeks ago)
Jul-2026
I'm sad to hear of his (well earned) retirement. Enjoyed his combination of professionalism and great personality!
(3 weeks ago)
Jul-2026
Really gonna miss this excellent man/dr.
Enjoy you retirement.
(3 weeks ago)
Jul-2026
He will be greatly missed, but am very happy for him!
(1 month ago)
Jul-2026
Excellent educator, supportive, and an awesome listener! Thank you for being you.
(1 month ago)
Jul-2026
Very good visit Dr Sweeney is very thorough and informative
(1 month ago)
Jul-2026
He’s wonderful! I feel comfortable and trust his knowledge.
(1 month ago)
Jun-2026
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Jasonway Cancer Center
810 Jasonway Avenue Columbus, OH 43214
Dublin Cancer Center
6700 Perimeter Drive Dublin, OH 43016
Dr. Thomas J. Sweeney, M.D. is a native of Columbus. He graduated from the Ohio State University with a B.S. in Chemical Engineering and an M.S. in Chemistry. In 1992 he graduated from the Ohio State University College of Medicine with his M.D. He completed his Internship and Residency at the University of Michigan in Ann Arbor.
Dr. Sweeney completed his Fellowship in Medical Oncology at Stanford University in 1998. Dr. Sweeney is Board Certified in Medical Oncology.
Dr. Sweeney joined our group in the Summer of 1999 after he, his wife Rose and three children completed their move back to Ohio.
One of the best doctors in Columbus, Ohio.
Best. Doc. Ever. (In all aspects of care.)
He is an exceptional physician. He is whip smart and extremely kind at the same time. I have had the privilege of knowing him for over 17 years. I will miss him terribly when he retires this year. He’s irreplaceable.
Great man. Feel as though I am in the best of care.
I'm sad to hear of his (well earned) retirement. Enjoyed his combination of professionalism and great personality!
Really gonna miss this excellent man/dr. Enjoy you retirement.
He will be greatly missed, but am very happy for him!
Excellent educator, supportive, and an awesome listener! Thank you for being you.
Very good visit Dr Sweeney is very thorough and informative
He’s wonderful! I feel comfortable and trust his knowledge.