Is hospital volunteering alone inadequate for clinical experience?

I'm aiming for top to mid tier schools and the only clinical experience I currently have (and plan to have) is hospital volunteering. I am a patient hospitality volunteer and an ED volunteer and have 200 hours.

I've been planning to switch my focus to more research oriented activities but I'm beginning to feel that volunteering at a hospital alone is not enough.

Can anyone provide some advice?

Is hospital volunteering alone inadequate for clinical experience?