About Sulphur, LA | Primary Care At our Sulphur, LA primary care clinic, we are committed to serving the healthcare needs of Sulphur, Carlyss, Mossville and Calcasieu Parish with a focus on accessibility. We proudly accept most insurances, including Medicaid and Medicare, as well as catering to self-pay patients. Conveniently situated across from Rouses Market, our clinic is your go-to destination for comprehensive family healthcare services, including urgent medical attention. Our dedicated team of providers and nurses are passionate about promoting preventative wellness and the ongoing management of chronic conditions. We believe in delivering friendly, hassle-free wellness and preventive care throughout your life.