What is MyChart & Who Even Uses It Anyway? So MyChart ain’t some fancy app, it’s the online patient portal a bunch of hospitals and clinics use. You log in, and then boom—you can look at your test results, message your doc, ask dumb questions, refill your prescriptions, whatever. Places like Cleveland Clinic, UCLA Health, Mayo Clinic, even small town ones, all be using this. Over 100 million people already registered, that’s not a fake…