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What is an entity code in medical billing? What happens if you get it wrong? If you’re a mental health or addiction treatment provider, you’ve almost certainly encountered this more than once: you complete insurance paperwork for a session, check it twice, and are confident that everything is ready to go. But, you and your client still get a letter saying the claim has been denied. As a leading revenue management company focused exclusively on the behavioral health industry, Hansei Solutions is here to help.
What is an entity code in medical billing? An entity code is a two-character code used to identify the role of a person or organization involved in a claim. For example, a policyholder, a patient, or the healthcare professional (e.g., a therapist or psychiatrist) who is providing a service. Getting an entity code right matters because it is critical for directing payments and reducing claim denials. When an entity code is incorrect, it can lead to challenges like payment delays for providers. As you likely know firsthand, this is a problem that providers run into all the time, and it can be incredibly stressful. Correcting it is a process that takes time: it creates more paperwork for you as a professional, which can add even more burden.
Mental health and addiction treatment providers have enough on their hands without administrative tasks weighing them down. Behavioral Health Billing With Hansei Solutions is here to change the game, giving you the time and energy necessary to be the best provider you can be while taking care of yourself and avoiding burnout. Our team of experts is here to take care of:
You remain in control. We also offer on-demand financial reports and patient statements, available 24/7/365. This means that you can get up-to-date insight about your strengths, problem areas, revenue cycle, and the overall performance of your billing process. Our software is updated regularly with accurate codes, reducing the chance of issues such as denied entity codes.
Claim Denial Management With Hansei Solutions includes fixing and resubmitting denied claims for behavioral health professionals, treatment centers, clinics, and groups. We’ll also get data on claim denial trends affecting your practice, which will help us identify and fix the errors that led to denials in the first place.
Ready to get started? Learn more about Onboarding With Hansei Solutions. We’ll analyze the needs of your behavioral health practice and provide you with a free demonstration of our medical billing revenue cycle management solutions. We have a 100 percent success rate with clients, and our trials are risk-free.
Since 2016, Hansei Solutions has been a trusted partner for mental health and addiction treatment providers. From reducing errors in role qualifiers to increasing the number of insurance companies you’re in network with to handling verification of benefits for you, we are here to take administrative tasks off your plate and boost your revenue. We focus exclusively on the behavioral health field, so we’re versed in all of the nuances involved. And, working ethically is imperative to us. Contact Hansei Solutions for help with medical billing now by calling 888-574-4379. Or, book a demo now through our website.

When a claim is rejected for an entity code, it means that the insurance payer or clearinghouse can’t process a claim because the information identifying a participant (e.g., the patient, provider, or billing entity) is invalid, missing, or does not match their records. When this happens, the claim is stopped before it’s officially processed for payment. Unfortunately, this can cause a delay in payments for treatment professionals.
If you get a denial saying ‘this code requires use of an entity code,’ it means that an entity code was either missing, inaccurate, or mismatched. The result of this is that the system can’t process the claim because it does not know which entity is associated with the service. This can happen for many reasons. For example, the code you put in might have been outdated or incorrect. Or, you could have missed a specifier required to identify the type of healthcare plan.
Yes. 2025 statistics indicate that insurance denials have increased in the United States in recent years. Additionally, 68 percent of providers say that submitting clean claims is more challenging than it was a year ago. This has a serious impact on behavioral health providers and those in their care, often causing a great deal of stress and extra paperwork.
Missing or inaccurate claim data is one of the most common reasons for insurance denials. For example, incorrect or missing entity codes. Outsourcing billing tasks to Hansei means that you can leave it up to our specialists.
In medical billing, NPI stands for ‘National Provider Identifier.’
To fix a rejected entity code, you must correct, update, or add the identifying details of the entity that the payer or clearing deems mismatched, invalid, or missing.
https://www.experian.com/blogs/healthcare/state-of-claims-2025/
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