Remark Code N265 on Your EOB — Meaning & What to Do

Remittance Advice Remark Code (RARC)

What remark code N265 means: The ordering provider's ID (NPI) is missing or invalid.
What to do about remark code N265: Ask the provider to add the correct ordering-provider information.

Remark codes add detail to a claim decision. They appear alongside the main adjustment codes on your Explanation of Benefits or remittance notice, giving the specific reason behind remark code N265.

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Frequently asked questions about Remark code N265

What does remark code N265 mean on my EOB?

The ordering provider's ID (NPI) is missing or invalid.

What should I do about remark code N265?

Ask the provider to add the correct ordering-provider information.

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Last reviewed 2026-07-07 · MDBillCheck Editorial Team. Plain-English explanations are original wording; always verify the specific reason with your insurer.