An urgent care provider in Fairfield, Texas, CHRISTUS Trinity Clinic – Fairfield is located at 106 N Keechi St. The clinic treats non-life threatening injuries and illnesses, as well as routine immunizations and wellness visits. Most urgent care clinics are equipped to take x-rays and run EKG tests, urinalysis, blood tests, STD tests, pregnancy tests, drug tests, as well as flu and step tests. Like most urgent care clinics, CHRISTUS Trinity Clinic – Fairfield accepts walk-in patients. However, calling ahead or booking an appointment online can reduce your appointment wait time. While urgent care is covered by Medicare Part B, not all clinics accept Medicare. The same applies to Medicaid. As with all insurance, we encourage you to call the clinic or visit their website to confirm that they are in-network with your health insurance.