It happened at Clinica Familia Y Salud on Veterans Memorial Drive near Bammel North Houston Road around 2:20 p.m.
Deputies said three men walked in and began demanding money.
A witness told ABC13 she and the receptionist were held at gunpoint in the lobby by one of the suspects.
The other two suspects then ran to the back to rob more people, the witness said.
According to the Harris County Sheriff's Office, the doctor pulled out his gun and confronted the suspect. They exchanged gunfire just before the men took off in a light-colored vehicle.
The doctor is stable, according to authorities. It is unclear if any of the suspects were shot.
To our community members on Veterans Memorial, btwn Bammel N Houston & 1960: this afternoon, 3 males entered a medical clinic at 13626 Veterans Memorial & committed a robbery. As they fled, gunfire was exchanged btwn suspect(s) & a clinic employee. The employee was injured, but pic.twitter.com/qqEYCZo5lV— Ed Gonzalez (@SheriffEd_HCSO) February 26, 2021
Anyone with information is urged to contact HCSO or Crime Stoppers at 713-222-TIPS (8477).
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