Guides
Making sense of the provider registry.
Plain-language guides to the numbers, systems and paperwork behind US healthcare providers: NPIs, credentialing, CAQH, taxonomy codes and Medicare enrollment. Every guide is anchored to real data from the public NPPES registry.
NPI fundamentalsWhat the National Provider Identifier is, and how to keep yours correct.
Taxonomy & specialtyHow provider types and specialties are coded, and why it matters for claims.
Medicare & PECOSEnrolling, revalidating, and staying active as a Medicare provider.
Credentialing & verificationHow providers are vetted to join networks, and what keeps it from stalling.