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Common questions and answers about the program

Covered out of network (OON) Emergency services, Covered OON Air Ambulance services, Covered services provided by an OON provider during an in-network facility visit. Read more at eligibility guidelines

You can start a dispute on the IDR Initiation Form.

Within 4 business days after the close of the open negotiation period (unless the “cooling off period” is applicable. Read more about the Cooling off guidelines.

Read more about batching on the Eligibility guidelines page.

Read more about bundled disputes on the Eligibility guidelines page.

Batching allows an initiating party to submit multiple related items or services for a single IDR dispute represented as a single patient encounter, identical service codes, or a Category I CPT code section.

Bundled disputes contain multiple items and services, but are represented by a single service code or single payment by one of the parties involved.

Read more about the cooling off period on the Eligibility guidelines page.

Read more about general suggestions for documentation on Documentation page.

Read more about what documents to submit in support of your submission on the Documentation page.

For an objection to be considered, the information should be included in the IDRE Selection Response Form. You should provide documentation to support the eligibility objections. Objections should not be made after the selection of the IDRE

If you haven’t received a Notice of Offer, please contact us at FedNSAArbitrations@maximus.com. Please ensure to include the dispute number and contact info.

For requests to extend the dispute process, contact CMS directly at FederalIDRQuestions@cms.hhs.gov.

To request the withdrawal of a dispute, please contact us at FedNSAArbitrations@maximus.com.

Payment related questions and answers

Fastest way to pay:

Use an eCheck or credit card online at maximusdisputepayments.com

Mail a check:

Maximus Federal, Attn: Fed NSA, PO Box 791753, Baltimore, MD 21279-1188

Send check overnight:

Maximus, Inc., Attention 791753, 1000 Stewart Avenue, Glen Burnie, MD 21061

You can access the Payment Portal here https://maximusdisputepayments.com/.

For questions regarding the Payment Portal, please contact: fednsapaymentportal@maximus.com.

Please contact FedNSAPaymentPortal@maximus.com and we will assist you with registration.

Please contact us at FedNSAArbitrations@maximus.com. Please ensure to include the dispute number and contact info.

Please contact FedNSAPaymentPortal@maximus.com

Download Maximus' W9

Common questions and answers about the program

What services qualify for the Federal IDR process?

Where can I start the Federal IDR process?

When should I start the Federal IDR Process?

What are the batching guidelines?

What is a bundled dispute?

What is the difference between a batched and a bundled claim?

What is a cooling off period?

What documentation should I include with the dispute?

What documentation should I include in support of the offer?

When should an objection be submitted if the non-initiating party believes that the Federal IDRE Process is not applicable?

How can I receive a Notice of Offer?

Who do I ask for an extension on my IDR claim?

How do you withdraw a dispute or address settlement procedures?

Payment related questions and answers

What payment methods are accepted?

How do I access your Payment Portal?

Why can’t I see my dispute in the Payment Portal?

I’d like assistance with registering with the Payment Portal. Who do I contact?

I haven’t received an invoice?

How can I get set up as a new vendor?

How can I get a copy of your W-9 so I can set up Maximus as a new vendor?