Our Care Team

We are proud of our exceptional clinical team of kidney and hypertension doctors and other care teams in Tigard that are dedicated to providing personalized and comprehensive kidney care to our patients. Click on any of the care team below to learn more about their background and credentials.

Tigard Office

Firas G. Khoury, MD

Dr. Firas G. Khoury, his wife and four children, live in West Linn. He and his family relocated from Pittsburgh, Pennsylvania several years ago and has been with the Oregon Kidney and Hypertension Clinic since its inception.

Geoffrey Xiao, PA-C

Geoffrey Xiao is a nationally board certified Physician Assistant. He earned Bachelors of Science degrees from the University of California Riverside in Biochemistry and then the University of Utah in Medical Laboratory Sciences.