PECOS Archives - MedBillingTech

NPPES, CAQH, and PECOS sound interchangeable, they all hold provider data, and they all want the same information. But they're three separate systems with three distinct jobs, they don't sync automatically, and a mismatch between them causes denials. Here's what each does and how they interact.

Credentialing

June 08, 2026

By Mark Wood

Provider Credentialing: The Complete Guide

Provider credentialing is the gateway between hiring a clinician and that clinician generating revenue. It's also poorly understood and getting harder in 2026. This complete guide defines what credentialing actually is, walks through the full process, covers the systems involved, and links to detailed deep-dives on every subtopic.

Credentialing

June 01, 2026

By Mark Wood

Medicare Enrollment Through PECOS 2.0: What Changed in 2026

CMS quietly launched PECOS 2.0 in late 2025 and the production system is now rolling out to every Medicare-enrolled provider through the end of 2026. The new system runs real-time validation against IRS, NPPES, and EFT data, flags inconsistencies as "Stay of Enrollment," and gives CMS expanded revocation authority. Here's what actually changed, what's already…

Credentialing

May 26, 2026

By Mark Wood

Group Practice Credentialing: Adding a Provider in 2026

Adding a new provider to a group practice is faster than fresh credentialing, but only if you know the structure. Two NPIs, two enrollment tracks, the CMS-855R, roster updates with each commercial payer, and an effective date that determines whether claims pay. Here's how it actually works in 2026.

Credentialing

May 20, 2026

By Mark Wood

Why Credentialing Applications Get Denied and How to Fix Yours

Most credentialing applications don't get denied because the provider is unqualified. They get denied because of eight or nine recurring mistakes in how information is submitted, verified, or matched across systems. Here's what each one looks like, why it happens, and how to fix it before the next submission.

CAQH vs PECOS vs NPPES: What’s the Difference?

Provider Credentialing: The Complete Guide

Medicare Enrollment Through PECOS 2.0: What Changed in 2026

Why Credentialing Applications Get Denied and How to Fix Yours

Locum Tenens Credentialing: How It Works

Hospital Privileging vs Payer Credentialing: What’s the Difference?

Do You Need Credentialing Software or a Service?

Behavioral Health Credentialing: Why It’s Different and What to Watch For

Medicaid Provider Enrollment: A Practical Guide for 2026

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