MedicareApplications.com is a comprehensive Medicare enrollment reference for healthcare providers — covering every CMS application form, PECOS online enrollment, NPI registration, MCO participation, and the legislative changes that affect providers in 2026.
The site is operated by Metolius Health, a Medicare services firm specializing in revenue cycle management and credentialing for outpatient therapy, ABA, and EMS providers.
Why this resource exists
Medicare enrollment is genuinely complicated. CMS forms are dense, PECOS is opaque, and the consequences of errors — delayed enrollment, retroactive billing problems, credential gaps — are real and expensive. Most providers learn this by making expensive mistakes.
This site exists to give providers clear, specific instructions before they make those mistakes. We cover every application type, flag the common errors, explain what happens after submission, and keep the guides current as regulations change.
Meet Mae
Mae is an AI-powered Medicare enrollment guide built into this site. She knows what page you're on, understands your provider type, and can walk you through the right enrollment path — or connect you with Metolius Health when you're ready for expert help. Click "Ask Mae" anywhere on the site to start a conversation.