OHSU Pituitary Center Team

At the OHSU Pituitary Center, our doctors diagnose more pituitary conditions, give more second opinions and do more pituitary procedures than at any other medical center in the region. Every year, we treat more than 500 new patients from around the United States. Our patients also have access to many clinical trials.

We are committed to providing excellent patient care, contributing to knowledge about pituitary diseases and partnering with community doctors to care for their patients.



Interventional neuroradiologist/cerebrovascular specialist

Ear, nose and throat surgeons



Diagnostic neuroradiologists

Radiation oncologist

Nurse practitioner

Physician assistants

Clinical trials research team

  • Shirley McCartney, Ph.D.
  • Jessica Williams, L.P.N.
  • Obi Obayashi, B.S.
  • Sam Yau
  • Chris Yedinak, M.N., F.N.P., D.N.P.