Medicare DDE/FISS Connectivity Software

Improve operational efficiency with a fast, user-friendly connection to Medicare DDE.

Direct Data Exchange Verification, Powered by the Inovalon ONE® Platform

Use your existing high-speed internet connection to access the Medicare Fiscal Intermediary Standard System (FISS) for Direct Data Entry (DDE).


Direct Data Exchange Verification delivers secure, online connections for Part A and Part B providers. If you need connectivity to DDE through the Professional Provider Telecommunication Network (PPTN), Regional Home Health and Hospice Intermediary (RHHI), or Claim Status Inquiry (CSI), we have you covered.

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No matter the size of your organization, our web-based tool can accommodate your needs.

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One click to FISS

Fast access to the FISS login screen.

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TN3270 emulator included

TN3270 emulator is included and optimized for FISS – no need to buy your own.


Experience real-time connectivity to FISS for keying in claims, checking claims status, appending RTP claims, and more.

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Save time and increase revenue

Streamline your administrative and operational workflow for accelerated reimbursement.

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More informed budgeting

Pay just one low fixed rate. No metered charges – with convenient monthly or yearly invoicing.

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Unlimited users

Add as many users as your organization needs at no additional charge.

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Faster, easier, more secure access

Leverage your existing internet connection to securely connect to DDE.


Provider Resources

Gain insights from Inovalon case studies, infographics, videos, and other resources to get the most out of our products and solutions.

Let’s transform healthcare

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Questions? Call (301) 809-4000

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