CredentialingSite
The CredentialingSite Blog

Medical credentialing, explained

Practical, plain-language articles on how credentialing works in the United States — for providers, practices, and credentialing professionals.

Licensing & Compacts

The Interstate Medical Licensure Compact: Faster Multi-State Licensure for Telehealth

How the IMLC works, who qualifies, what it costs in time, and where it helps — plus the nurse and psychology compacts that cover other clinicians.

September 21, 20268 min read
Credentialing Services

How Much Does Medical Credentialing Cost in 2026? Pricing Models Explained

Per-provider fees, per-payer fees, monthly retainers, and the hidden costs nobody quotes — a clear look at what credentialing actually costs a practice.

September 21, 20268 min read
Provider Types & Specialties

Nurse Practitioner Credentialing: Requirements, Timelines, and State Practice Rules

NP credentialing follows the physician playbook with important differences — collaborative agreements, scope-of-practice rules, and payer policies on direct billing.

September 21, 20269 min read
Medicare Enrollment

Medicare Provider Enrollment Through PECOS: CMS-855 Forms, Timelines, and Revalidation

PECOS is where Medicare enrollment lives or dies. Which CMS-855 form applies, how long approval really takes, what retroactive billing allows, and how to survive revalidation.

September 21, 202610 min read
NPI & NPPES

How to Apply for an NPI Number in 2026 (Type 1 vs Type 2, Step by Step)

Your NPI is the first thing every payer checks. Here is how to apply through NPPES, when you need a Type 2 as well, and the record errors that quietly stall enrollment.

September 21, 20269 min read
Problems & Troubleshooting

Credentialing Denials and Delays: The Real Reasons Files Stall (and How to Fix Them)

Most credentialing denials trace to a short list of avoidable problems. Here are the reasons applications get rejected or stuck, and the fix for each.

August 28, 20269 min read
Commercial Payers

How to Get Credentialed With Insurance Companies (2026 Payer-by-Payer Guide)

Joining commercial insurance panels means credentialing and contracting — two separate steps. Here's the order of operations for BCBS, Aetna, Cigna, UnitedHealthcare, and Humana.

August 28, 202610 min read
CAQH

CAQH ProView in 2026: Setup, Attestation, and Maintenance Guide

CAQH ProView is the shared front door to most commercial payer applications. Here's how to register, build a clean profile, attest on time, and keep it payer-ready.

August 28, 20269 min read
Process & How-To

The Medical Credentialing Process Step by Step (2026 Guide + Checklist)

A complete, current walkthrough of the medical credentialing process step by step — the documents required, realistic timelines, and where files stall.

August 28, 202611 min read
Core & Fundamentals

What Is Medical Credentialing? A Complete Guide for Healthcare Providers

Credentialing is the backbone of patient safety and provider reimbursement. Here's what it is, why it matters, and how the process works in the United States.

August 28, 20268 min read
Core & Fundamentals

Provider Credentialing vs. Privileging: What's the Difference?

They're often used interchangeably, but credentialing and privileging are two distinct steps. Here's how they differ and how they work together.

August 26, 20266 min read
Medicaid Enrollment

How to Get Credentialed with Medicaid: A Step-by-Step Guide

Medicaid credentialing is run state by state, which means no two processes are identical. Here's the general path and what to prepare.

August 24, 20267 min read
Credentialing Services

Should You Outsource Medical Credentialing? Costs, Pros & Cons

Credentialing is slow, detail-heavy work. For many practices, outsourcing pays for itself in faster enrollment and fewer claim denials.

August 22, 20266 min read
Careers & Roles

How to Become a Certified Provider Credentialing Specialist (CPCS)

The CPCS is the leading credential for credentialing professionals. Here's what it is, who's eligible, and how to earn it.

August 20, 20266 min read
Billing & Revenue Cycle

What Is Credentialing in Medical Billing? The Revenue Cycle Connection

Credentialing isn't just a compliance box — it's the gate between a provider and getting paid. Here's how it connects to the revenue cycle.

August 18, 20266 min read