Medico de familia, de cabecera , de atención primaria

[ROBINDESBOIS]

I know you say GP, any other names ?

[poli]

family doctor
PCP
primary care physician

[ROBINDESBOIS]

do you use GP in America ?

[Tomisimo]

do you use GP in America ?
You mean General Practitioner? Sure, you can use that too, but it has a slightly different nuance.

[Elaina]

Primary doctor

or

"my" doctor

This is what I hear patients say when referring to their primary care doctor.