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John Phay
Schedule an appointment (614) 293-7171
Insurances We Accept
I am an endocrine surgeon within the Division of Surgical Oncology and with a practice focused entirely on the surgical treatment for thyroid, parathyroid, and adrenal cancer and disease.


  • Rated in the top 10 percent of physicians in the nation for patient satisfaction, 2016

Medical Degree

  • M.D.
    University of California San Francisco Medical Center


  • General Surgery/Surgical Oncology
    Washington University Hospital
    7/1/1994 - 6/30/2002

Specialties and conditions I treat

  • Surgical Oncology
  • Parathyroid Diseases
  • Adrenal Gland Cancers
  • Carcinoma, Neuroendocrine
  • Adrenocortical Adenoma
  • Adrenocortical Carcinoma
  • Thyroid Cancer
  • Parathyroid Cancers
  • Gastrointestinal Cancers
  • Robotics
  • Minimally Invasive Surgical Procedures

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

Board Certification

American Board of Surgery

My Department


My Division

Surgical 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. Phay has reported no financial relationships with medical device, research and/or drug companies.