Can a medical Group with hold appointments ?

Yes they can financial arrangements need to be made.

I need to talk to a lawyer about a lawsuit

Avvo does not allow for direct solicitation of attorneys by posting your phone number.

Child had a pre-exsisting condition- bladder ruptured and we were sent home 'till he was near death the next day in the ER

You should have the records reviewed by a medical malpractice attorney.

Can I sue the Government

No you don't have standing to sue or proof for her breaking all the laws you state.

What size knife blade is legal to carry in texas concealed? what size is legal not concealed.

Check out this website - http://www.knifeup.com/texas-knife-laws/

How do I get custody of my grandson when a court has given temporary custodynamic to a friend of my daughter?

You need to hire a family law attorney.

How can we override immediately a parenting plan for the safety of the children who can do this without going through the lmodif

File a petition to modify parenting plan.

How can I obtain custody of my 11year old niece?

I agree with the comprehensive post by Attorney Shileds.

You need to hire a family law attorney for this.

Can a father pick up and care for his daughter if mother is jailed?

File an emergency application for temporary custody.