How to translate the following sentence in English? Please give me some advice! Thank you, it's about health insurance!

Health care providers in the network agree to provide services to patients with managed health care plans at pre-agreed rates, and usually submit claims to insurance companies for you.

In interpersonal relationships (note: 1), medical security personnel promise to provide patients with special service plans (note: 2), including medical expenses negotiated in advance (note: 3). This application will be submitted to your insurance company.

1. network-usually only the interpersonal network can understand it. It's easy to do things with the internet.

2. Managed-care plan-a plan for special services (for patients), which can be said to be a plan to help them recover, or a plan for someone who has no money to see a doctor, which can provide a relatively cheap medical plan.

3. Pre-agreed rate-the price/cost of a cheap medical plan agreed in advance (with family members/patients)

Hehe, I didn't translate it word for word, but according to the meaning of the original. I hope I can help you!