Callie Clinic is a nonprofit healthcare provider serving residents of the Texoma region. Since 1991, it has been the sole provider for people affected by HIV/AIDS in Grayson, Cooke, and Fannin Counties. The clinic’s mission is to optimize community health through outreach, education, prevention, interventions, and quality measurement. It is funded through public and private grants, donations, and fundraisers, and is committed to making essential services accessible.

Callie Clinic offers HIV/AIDS screening and case management, confidential testing for sexually transmitted infections, primary care, and Title X family planning services. STI testing includes screening for hepatitis C, gonorrhea, chlamydia, syphilis, trichomonas, and bacterial vaginosis. Primary care is available to residents of Grayson, Cooke, Fannin, and Montague Counties; eligibility requirements may apply. Services include testing, consultation, family planning, and ongoing care, with appointments available by phone. The clinic also shares educational materials and links to resources on HIV, AIDS, and other health topics. Its Sherman, Texas, location serves clients Monday through Friday, with weekday hours varying. All services are confidential.