Thomas Showalter, D.O.

Medical Oncology, Hematology Oncology, Hematology, Oncology


Thomas Showalter is accepting new patients.


Primary Location

5911 W. Memorial
Suite 200
Oklahoma City, OK 73142

More than medicine.

At INTEGRIS, your physician is more than a health care provider. They’re a friend and a trusted resource – someone you can go to for guidance and support. That’s why we’ve made it our goal to bring you to bring the best doctors from across the country – and around the world. But your physician is also your connection to the extensive services you’ve come to expect from INTEGRIS. Whether you want a referral to a specialist, information about advanced treatment or anything else we offer, you can always trust your INTEGRIS physician to lead you in the right direction.

Thomas Showalter III, D.O. is a medical oncologist practicing at the INTEGRIS Cancer Institute Proton Campus. He received his medical degree from Oklahoma State University and completed his residency in internal medicine and fellowship in medical oncology at Scott and White Memorial Hospital.

Accreditation / Boards
Internal Medicine, Medical Oncology
English, Spanish



An Introduction: Dr. Thomas Showalter III

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