We also accept most major insurance, including Medicare and Medicaid. To find out more about Zeid WHC's services or to make an appointment today, be sure to contact us at one of our following locations: • Zeid WHC in Longview, Texas: (903)315-2700. • Zeid WHC in Tyler, Texas: (903)315-2700. • Zeid WHC in Henderson, Texas: (903)315-2700..