Is treating a physician's opinion binding on the ultimate determination of disability?

2010); Tonapetyan v. Halter, 242 F.3d 1144, 1149 (9th Cir. 2001) (treating physician's opinion is not binding on the ultimate determination of disability); see also McLeod v. Astrue, 640 F.3d 881, 885 (9th Cir. 2011) ("[a] disability is an administrative determination of how an impairment, in relation to education, age, technological, economic and social factors, affects ability to engage in gainful activity").