Harris Health System's Thomas Street Health Center is a freestanding HIV/AIDS clinic, which provides medical care and psychological and social services to those who have been diagnosed with HIV/AIDS. Physicians from Baylor College of Medicine and UTHealth provide primary and specialty care services, including: oncology, endocrinology, pain management, dermatology, rheumatology, women's health, adolescent health, ENT, neurology, and treatment and management of hepatitis C. Thomas Street also has on-site case management, pharmacy, physical therapy, psychiatry and counseling services. Thomas Street Health Center offers an extensive HIV health education curriculum and a variety of HIV/AIDS research initiatives.

Renowned for its innovative and advanced clinical care, Thomas Street Health Center continues to significantly improve the lives and health of those living with HIV/AIDS.