Kelsey-Seybold Clinic is Houston's premier community-based physician group, founded in 1949 by Dr. Mavis Kelsey in Houston's famous Texas Medical Center. More than 350 Kelsey-Seybold physicians practice at 18 locations in the greater Houston area.

Medical services offered by Kelsey-Seybold include outpatient medical care in more than 50 medical specialties, outpatient surgery centers, nationally accredited Breast Diagnostic Centers and Cancer Centers, advanced radiology services, onsite and online Kelsey Pharmacy services and secure communication portals for patients to communicate with their health care team.

Kelsey-Seybold has proudly served the National Aeronautics and Space Administration since 1966 and today provides medical services onsite at the Johnson Space Center, the White Sands Test Facility in New Mexico, and in Moscow.