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Simeon Jaggernauth, DO

Medical Oncology Fellow Director & Medical Oncologist

Southwestern Regional Medical Center

"I believe each patient should play an active role in the selection of their therapeutic options."

- Simeon Jaggernauth, DO
Simeon Jaggernauth, DO

Osteopathic Medical Degree

  • Oklahoma State University Center for Health Sciences College of Osteopathic Medicine, Tulsa

Internship / Residency

  • Tulsa Regional Medical Center
  • Internal Medicine - University of Oklahoma, Tulsa


  • Medical Oncology - University of Louisville, Louisville, KY


  • Medical Oncology & Internal Medicine - American Board of Internal Medicine

Practicing Since: 2005

An advocate of patient empowerment, Dr. Simeon Jaggernauth, a medical oncologist and Medical Oncology Fellow Director at CTCA at Southwestern Regional Medical Center, believes it’s important for patients to learn as much as they can about their disease. The seasoned, board-certified medical oncologist describes in great detail their diagnosis, prognosis and treatment options.

Dr. Jaggernauth earned an osteopathic medical degree from Oklahoma State University Center for Health Sciences College of Osteopathic Medicine. He then completed an internship at Tulsa Regional Medical Center, an internal medicine residency at the University of Oklahoma and a fellowship in medical oncology at the University of Louisville in Kentucky. He is board certified in medical oncology and internal medicine by the American Board of Internal Medicine. Furthermore, he is certified in mechanical engineering. Dr. Jaggernauth has served as principal investigator and sub investigator for clinical research studies on drugs used to treat metastatic breast, colon and lung cancers.

Currently, Dr. Jaggernauth serves as the Medical Oncology Program Director for the Oklahoma State University Fellowship Program. He is responsible for training resident medical oncologists.

Prior to joining CTCA, Dr. Jaggernauth practiced medical oncology at Cancer Care Associates, an outpatient cancer clinic in the Tulsa area. He also served as a consultant on the medical and scientific advisory board of MEDSYNC Research, where he helped develop diagnostic tools and patient-tracking software packages for physicians. Additionally, he garnered experience as a hospitalist and internist.

As a Fellow for the Department of Hematology & Oncology at the James Graham Brown Cancer Center in Louisville, he helped build a PalmOS database application that serves as a mobile library of oncology information for physicians in areas without Internet access. He also developed an application that allows for computing the chemotherapy doses of many standard regimens, as well as computerized forms for the standardization and simplification of many chemotherapy regimens and their administration at the University of Louisville.

Dr. Jaggernauth has presented at medical conferences and has been published in the Journal of Clinical Oncology and Breast Cancer Wellness Magazine. He is a member of the Oklahoma Society of Clinical Oncology and the American Society of Clinical Oncology. Dr Jaggernauth has also been featured in Oklahoma Magazine and on the ABC Tulsa Affiliate.

An active member of the community, Dr. Jaggernauth has volunteered for the Tulsa Project Woman and participated in and helped sponsor the local Susan G. Komen Race for the Cure. Dr. Jaggernauth loves spending time with his wife of nearly 20 years and their four children. He also enjoys computer programming, wake surfing, running, boating and playing tennis.

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