The best way to find a new insurance company is to look in the yellow pages at the local insurance companies and then compare the reviews for them on the internet.
Typically, you find a doctor who accepts assignment from your insurance company by contacting your insurance company for a list of participating providers.
If you have their drivers license and insurance card what else will you need to know their insurance company. Perhaps you did not list the question correctly for what you meant.
It depends on what kind of insurance you are seeking. For auto insurance, Progressive Insurance will show you the rates of some of their competitors. For other insurance, you can usually find a site that searches several insurance company rates.
A good place to start is www.automotive.com/auto-insurance/77/arizona/index.html. This is a comprehensive list of car insurance providers for Arizona.
An accident insurance company is basically any insurance company- since thats what they are made for- accidents. Well known insurance companies are Geico, State Farm, and Nationwide.
In the Equitable Life & Casualty Insurance Company which list list of free seminars regarding insurance estate planning near Wichita, KS
Go to website http://www.insuranceroundup.com/lost.htm They list company names that have been sold and are now under a different name.
I would say that it depends on your insurance. I would contact your insurance company and see what they offer. Sometimes you can even access the company's website and they will give you a list of what's covered.
Call your state's insurance commissioner. They should have a list of providers. The insurance company that dumped you might have a referral as well.
Call the insurance company and ask for the name of a dentist in your area. Alternatively, check the website of the company for a current list of providers.
UPMC is a great health insurance company that offer great coverage. You can find a list of all the your covered doctors at www.upmchealthplan.com/doctor/index.aspx.
Now, it would depend on what it is you are looking for. There are many extremely cheap health insurance plans, but it is strongly recommended that you find a liable insurance company. Try making a list of companies, prices, and company reviews and see which one would be most beneficial.