@Rarebear Cancer is not the same as CBC, cholesterol, iron, vitamin D, vitamin B12, and in my case TSH, etc., etc. I have those run all the time, and I can decifer the numbers just like diabetics can do their own at home, but I can’t do it at home. Except cholesterol I guess; I think that comes as a home test now. Also, new concerns are not the same as tests run over and over again. Even still, I would say a normal test result for run of the mill things, even if a new test, don’t need a doctor’s visit for follow up, unless the patient is having a real concern and additional discussion and tests need to be run. You may not get paid more, but someone is getting paid every time a visit happens, and if the patient has a copay, they are paying out and insurance is paying out.
Plus, you may not do it, but many many doctors do. They may not do it to you when you are a patient, because you are a doctor.