Blue Cross and Blue Shield of Texas was renewed. A clinic in the River Oaks Shopping Center opened in 2021. Affiliation with NASA In 1966, the Clinic became the first contract medical service provider for the National Aeronautics and Space Administration (NASA). Dr. Stanton P. Fischer, a pulmonologist, joined the staff a year earlier and assisted in providing executive physical examinations on NASA employees and other contractors. Throughout the clinic's long association with NASA, they have contributed medical support services to the Apollo, Skylab, Apollo–Soyuz and Space Shuttle and International Space Station (ISS). Concerning the ISS, Kelsey-Seybold has provided a NASA Support Physician in Moscow since the inception of the International Space Station. Dr. Jose F. Flores has served in that capacity since 1998. Additionally, Dr. Flores provides medical support at all Soyuz launches in Baikonur, Kazakhstan involving American astronauts and has also provided medical support at certain Soyuz landings. Flores attended the launch of Zarya, the first unmanned module launched by Russia in 1998 and has attended every manned Soyuz launch with an American astronaut on board to the present day. Kelsey-Seybold also provides contract medical services in six locations in the U.S. Patients served Among the many patients who came to Kelsey-Seybold Clinic in the late 60s and 70s were entertainers like Roy Rogers and international patients from Saudi Arabia, India and Africa. More Latin Americans visited Kelsey-Seybold Clinic than any other U.S. clinic during this period. In 1971, KSC opened its first neighborhood health center on Post Oak in the Uptown District of Houston. The success of that health center resulted in other locations being operated in downtown Houston, Sugar Land, The Woodlands and by Intercontinental Airport. Today, Kelsey-Seybold Clinic operates more than 20 neighborhood health centers in the Houston area. Current administrators and expansion In 1978, Dr. James C. Hoyle joined the staff of Pediatrics. Dr. Hoyle is the current Medical Director, Clinical Operations. In 1980, Dr. Spencer R. Berthelsen, an internist and current Chairman of the Board joined the group. Dr. William Seybold retired in 1979 and Dr. Mavis Kelsey retired in 1986. The Clinic they founded continued to increase its presence in the Houston service sector. In 1999, Kelsey-Seybold Clinic moved into the current Main Campus at 2727 West Holcombe Blvd. The Main Campus building provides primary and specialty care in a single location, an outpatient surgery center, and an urgent care center. In