NPIdb has a rating of 4.2 stars from 6 reviews, indicating that most customers are generally satisfied with their purchases. NPIdb ranks 22nd among Health Insurance sites.
One of the many web sites to retrieve the health care provider's national indentifyer. I was filling out a form for healthcare insurance and there was a requirement to fill out that number. I browsed the web and liked this particular link from many others out there.
NPI Number Lookup from CMS - Search the NPI Registry by name or NPI number. NPI lookup for doctors and other healthcare providers from the NPI Registry.