Change Healthcare offers a variety of revenue cycle management, clinical and imaging, and patient engagement tools, and are well-known for their insurance clearinghouse.

Waystar is an end-to-end revenue cycle management company, offering eligibility verification, claims submission, payment posting, denials management, and analytics.

Apex EDI provides claims processing, error-checking, and submission to payers, and is integrated with various practice management and EHR systems.

Availity Essentials is a healthcare provider portal designed to streamline various healthcare administrative and management processes. Key features include patient management tools for eligibility and benefits checks, insurance information, and care reminders, along with a comprehensive claims management system for submitting, tracking, and correcting claims. The platform provides electronic remittance advice for easier claim and payment research, and a provider data management system for updating provider information. Additionally, Availity Essentials simplifies prior authorization and referral processes.

Claim.md is a clearinghouse for electronic claims management. It offers a user-facing portal for direct entry of both batch claims and single-entry claims. It integrates directly with a number of EHRs.

Office Ally enables healthcare providers to submit electronic claims to payers, and has features like claim scrubbing, status tracking, and integration with various practice management systems.

TriZetto RCM aims to optimize financial outcomes for healthcare providers by handling billing processes and enhancing payment accuracy.