In Virginia can health care providers opt to participate in some (but not all) of a Insurance carrier’s plans?

For example, do doctors have legal a basis to choose whether to participate in only the PPO plans for a health insurance company and not in their HMOs? What if the insurance company farms out its credentialing to a 3rd party payor? Any one know the section in the code ov virginia that [...]

Why are all the major health care stocks down today? Shouldn’t they be up on the good news of Brown’s election?

Merck: Down 1.6%
Glaxo: Down .52%
Pfizer: Down .3%
And the insurance stocks, as measured by an EFT, are down 1.75% today.
Can some Republican explain why Wall St. thinks Brown’s election will be bad for the health care and insurance industries?

Can anyone tell me anything about United Health Care Medical Insurance?

Thanks Karen .