Guide library

Provider enrollment questions, broken into workable transactions.

Browse by identifier, Medicare application, revalidation, CAQH, payer operations, and clinician onboarding. Each guide is written around one operational question and links to the official source material used for the current federal or CAQH rule.

CAQH & commercial credentialing Clinician onboarding Commercial payer operations Identifiers & NPPES Maintenance Medicare applications Medicare foundations Practice build-out Revalidation

Medicare enrollment roadmap for a new practice, from legal entity and NPIs through PECOS, MAC review, and billing activation.

01Medicare foundations

Medicare Provider Enrollment: A Practical Roadmap for a New Practice

A practical Medicare provider-enrollment sequence for a new practice: identity and NPIs first, then PECOS, group and individual records, reassignments, MAC follow-up, and billing activation.

Medicare Provider Enrollment: A Practical Roadmap for a New Practice

PECOS Account Setup: Access, Roles, and the First Application

Get the NPI Right Before Medicare Enrollment

Type 1 vs Type 2 NPI: What a Small Practice Actually Needs

Choosing and Maintaining NPI Taxonomy Codes Without Creating Enrollment Mismatches

NPPES Data Matching Before You Submit Payer Applications

CMS-855I: Individual Medicare Enrollment Without Mixing in the Group Transaction

CMS-855B for a New Group Practice: Build the Organization Record First

Medicare Reassignment After CMS-855R: What Changed and How to Track It

New Group Practice Medicare Enrollment: Sequence the Entity, Clinicians, and Reassignments

Adding a New Provider to an Existing Medicare Group

Adding a Medicare Practice Location: What Must Change and When

Medicare Enrollment Changes: 30 Days vs 90 Days

Medicare Enrollment Application Fee in 2026: Who Pays and When

How to Track a Medicare Enrollment Application With the MAC

PTAN vs NPI: Why Both Numbers Show Up in Medicare Enrollment

CMS-855O: Enrolling Solely to Order or Certify for Medicare

Medicare Opt-Out and Ordering/Certifying: Keep the Status Straight

Telehealth Practice Locations in Medicare Enrollment: A 2026 Update

How to Find a Medicare Revalidation Due Date and Know When to Act

Medicare Revalidation Checklist: Audit the Record Before You Click Submit

Missed Medicare Revalidation: What Deactivation Means Operationally

Off-Cycle Medicare Revalidation: Why CMS May Ask Early

Revalidation and Reassignments: Check Who Is Still Billing Through the Group

CAQH Provider Data Portal: Build the First Profile From Source Documents

CAQH Re-Attestation: 120 Days for Most Providers, 180 Days in Illinois

CAQH Practice-Location Review: What the 90-Day Response Window Means

CAQH Document Expiration: Prevent a Complete Profile From Becoming Unusable

CAQH vs Payer Credentialing: What CAQH Does—and What It Does Not Finish

Commercial Payer Credentialing Packet: Build One Source File Before Applying

Build a Payer Enrollment Tracker That Shows the Next Action, Not Just the Status

Credentialing vs Enrollment vs Contracting: Stop Using One Word for Three Jobs

Credentialing the First Clinician in a New Practice: A 12-Week Operating Plan

Nurse Practitioner Payer Enrollment: Map the Individual, Group, and State Rules

Physician Assistant Enrollment: Update Old Medicare SOPs Before the Next Hire

Therapist Payer Enrollment: Keep Licensure, Taxonomy, CAQH, and Network Status Aligned

Mental Health Counselor Medicare Enrollment: Build the File Around Current Eligibility

When a New Practice Needs a Group NPI: Build the Organization Identity Once

Legal Business Name and TIN Matching Across NPPES, PECOS, W-9, and Payers

Change of Ownership: Build an Enrollment Impact Map Before the Transaction Closes

Credentialing File Audit Before Submission: A 30-Minute Control That Prevents Weeks of Development

Provider Enrollment Maintenance Calendar: Put Every Renewal and Attestation on One Timeline