Texas Onion Fest Knapp Medical Center Categories HospitalsConference Center 1401 E. 8th St. Weslaco TX 78596 (956) 968-8567 (956) 968-6290 Send Email Visit Website Images Gallery Image Knapp%20Medical%20Center_310122-093437.jpg × Gallery Image 3%20Knapp%20Medical%20Center%20CLOSEUP_310122-093455.jpg × Share × Print Email Facebook Twitter LinkedIn Pinterest Tell a Friend ×