CareNow Urgent Care – Stone Oak is an urgent care provider located in San Antonio, Texas at 20780 U.S. Hwy 281 N. The clinic can diagnose and treat a wide range of non-life threatening conditions, including nausea, vomiting, persistent diarrhea, abdominal pain, shortness of breath, cuts and bruises, as well as sprains and broken bones. It can test for flu, strep, STDs, pregancy, drug use and numerous other conditions. Like most urgent care clinics, CareNow Urgent Care – Stone Oak 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.