Neuroendocrinology Program

Dr. Maria Fleseriu
Dr. Fleseriu


Maria Fleseriu, M.D., FACE (Director)
Elena V. Varlamov, M.D.


Olabisi Sanusi, M.D. (Director of Simulation and Lab Education and of Director of Diversity, Equity, Inclusion and Antiracism Programs)

Nurse Practitioner
Chris G. Yedinak, M.N., C.F.N.P., D.N.P.

Clinic Support Team

OHSU Pituitary Center

Pituitary disorders are often challenging to diagnose and treat; therefore, an in-depth familiarity and expert knowledge in treating these disorders are critical in a care team. Led by internationally recognized pituitary expert, Maria Fleseriu, M.D., F.A.C.E., the OHSU Pituitary Center offers unmatched experience and skill in treating neuroendocrine conditions, including pituitary disorders. Together our pituitary patient care team diagnoses more pituitary conditions, gives more second opinions and performs more pituitary procedures than any other medical center in the region. We treat more than 500 patients a year from around the United States at our center.