Ayham Farha, MD - Wichita Urology Group (800) 739-6870 - 1 st & 3 rd Wednesday. Other Scheduled Patient Care Services. Audiology/Hearing Aids: Winfield Healthcare Center, (620) 221-2300 ext. 1400 or 1425 for message. Clinical Laboratory: William Newton Hospital, (620) 221-2300 ext. 1185 - Anytime.