PECOS Archives - MedBillingTech

PECOS 2.0 Revalidation: What to Do When Your Notice Arrives

A Medicare revalidation notice is not paperwork you can file for later. It has a hard deadline, and missing it deactivates your billing privileges with a revenue gap you usually can't recover. Here's what revalidation is, when it's due, exactly what to do when the notice arrives, and what happens if you miss it.

By Mark Wood October 8, 2026Credentialing3 Comments

Credentialing

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

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.

By Mark Wood June 19, 2026Credentialing

Credentialing

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.

By Mark Wood June 8, 2026Credentialing

Credentialing

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 costing practices revenue, and how to prepare before your enrollment migrates.

By Mark Wood June 1, 2026Credentialing

Credentialing

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, reassignment of benefits through the CMS-855I, roster updates with each commercial payer, and an effective date that determines whether claims pay. Here's how it actually works in 2026.

By Mark Wood May 26, 2026Credentialing

Credentialing

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.

By Mark Wood May 20, 2026Credentialing