Born in Taipei, Taiwan in 1954, Dr. Ervin Yen and his family immigrated to the United States after the Communist takeover of China. He moved into what his now Senate District 40 in 1961. He attended Putnam City Public Schools and graduated from Putnam City High School in  1973. Yen went on to the University of Oklahoma and the OU College of Medicine. After completing his residency, he began practicing as an anesthesiologist in 1984. He has practiced as an anesthesiologist at Saint Anthony Hospital and INTEGRIS Baptist Hospital for over than 30 years. 

Dr. Yen and his wife, Pam, have been happily married for 34 years. They have five children and are active members of Christ the King Catholic Church. Yen is a past president of the Oklahoma Society of Anesthesiologists and past Chief of the Anesthesiology section at Saint Anthony Hospital. He has served as a member of the University of Oklahoma President’s Associates for 29 years. 


Dr. Yen’s roots in his community run deep. First elected to the state Senate in 2014,  he is running for re-election to make sure that his community, which has meant so much to his family, will continue to be well-represented at the Legislature. He will continue to help make Oklahoma a better and more prosperous place for his children and grandchildren.