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John Hays
Schedule an appointment (614) 293-6529
Insurances We Accept

Medical Degree

  • M.D.
    University of Texas Medical Branch


  • Internal Medicine
    Wake Forest University Baptist Medical Center
    7/1/2006 - 6/30/2008

Specialties and conditions I treat

  • Medical Oncology
  • Ovarian Cancers
  • Peritoneal Cancers
  • Colorectal Cancers
  • Cecal Cancer
  • Appendix Cancer
  • Small Intestine Cancer

Locations where I practice

Please note: Not all physicians schedule patients at each listed location. Please call the “Schedule an appointment” number shown above for scheduling assistance.

More about my work

My background


  • Medical Oncology
    National Cancer Institute
    7/1/2008 - 6/30/2012

Board Certifications

American Board of Internal Medicine

American Board of Internal Medicine (Subspecialty: Medicine Oncology)

My Department

Internal Medicine

My Division

Medical Oncology

Industry Relationships

At The Ohio State University Wexner Medical Center, we support a faculty member’s research and consulting in collaboration with medical device, research and/or drug companies because a faculty member’s expertise can guide important advancements in the practice of medicine and improve patient care. In order to provide effective management of these relationships, the University requires annual disclosures from all faculty members with external interests related to their University responsibilities.

As of 03/25/2016, Dr. Hays has reported no financial relationships with medical device, research and/or drug companies.