The DME MAC telephone reopening number is 1-866-813-7878. This line is in service Monday through Friday, from 7 AM to 5 PM, Central Standard Time. Note: The easiest, fastest, and most efficient way to complete a Telephone Reopening request is via the myCGS Web Portal.
Full Answer
How do I reopen a Medicare claim?
Phone 1-800-MEDICARE (1-800-633-4227) For specific billing questions and questions about your claims, medical records, or expenses, log into your secure Medicare account, or call us at 1-800-MEDICARE.. If you want Medicare to be able to give your personal information to someone other than you, you need to fill out an "Authorization to Disclose Personal Health Information."
How do I file a D9 reopening request for Medicare?
Oct 24, 2021 · Providers must wait at least three business days, after receiving the Electronic Remittance Advice (ERA), before initiating a Reopening request. Providers must check claim status through Interactive Voice Response (IVR) or NMP. Claims with message MA130 or N704 on ERA or SPR must be resubmitted as a new claim.
How do I complete a telephone reopening request?
Nov 04, 2020 · Part B clerical reopening requests may be submitted online through SPOT, the reopening gateway, or via telephone through the interactive voice response (IVR) system. Option 1: Submit reopenings online using SPOT
How do I request a claim correction or claim reopening?
To request a reopening, you will report a new Type of Bill (TOB), XXQ, along with condition codes to indicate that the claim is a Request for Reopening. Effective on or after January 1, 2016, all providers must use the new reopening process, TOB XXQ, when a correction is to be made beyond the timely filing limit (one year from the through date of the service).

How do I resubmit my Medicare claim?
What is the resubmission code for a corrected claim for Medicare?
What is a Medicare reopening request?
How do I correct a Medicare billing error?
What is the process for claim resubmission?
What is resubmission code 8 on a claim?
What is a Medicare clerical reopening?
How long does Medicare take to process a claim?
What to do if Medicare denies a claim?
Why would Medicare deny a claim?
How do I void a Medicare 1500 claim?
Request a Reopening
Note: Unprocessable claims with Remittance Advice (RA) message MA 130 cannot be reopened. ("Your claim contains incomplete and/or invalid information, and no appeal or Reopening rights are afforded because the claim is unprocessable. Submit a new claim with the complete/correct information.")
Items Too Complex for a Reopening
Submit the below as a Redetermination request with supporting documentation.
Written Reopening
Suppliers may submit a Written Reopening request via mail, fax, or as a Self-Service Reopening in NMP.
Claim Correction Reopening
When the need for a claim correction is discovered and the claim is beyond the timely filing limit (1 calendar year from the "through" date on the claim), a reopening request (type of bill (TOB) XX Q) must be submitted to remedy the error.
Untimely Filing
Claims are rejected for untimely filing when the claim is submitted 12 months after the date the services were furnished. The Centers for Medicare & Medicaid have established exceptions to the one calendar year time limit. For additional information, refer to the Medicare Claims Processing Manual, CMS Pub. 100-04, Ch. 1, §70.7.
56900 Reopenings
Claims are denied with reason code 56900 when the claim was selected for an additional development request (ADR), but the medical documentation was not received by CGS, or was not received timely.
How to correct your claim
Minor errors or omissions may be corrected outside of the appeals process.
Option 1: Submit reopenings online using SPOT
The SPOT offers registered users the time-saving advantage of correcting clerical errors in their eligible Part B claims quickly, easily, and securely -- online.
Option 2: Submit reopenings through the reopening gateway
The Claim Reopening Gateway is an interactive tool that requires no registration or enrollment, and offers a quick and easy way to make Part B claim corrections directly on the First Coast website. For instructions on how to use the reopening gateway, view the help guide.
Option 3: Submit reopenings on the telephone with the IVR
If you don’t have online access, you may submit your Part B clerical reopening request through First Coast’s IVR system. Although the IVR offers the same primary request types as the SPOT, the IVR offers the additional option of making history corrections to your claim.
Electronic or Direct Data Entry
Electronic or Direct Data Entry (DDE) claims for reopening requests must include the following:
DDE Claims Only
Report a reopening ‘Adjustment Reason Code’ on claim page 3 (MAP1713):
Reopenings that require 'Good Cause'
Reopenings that require ‘Good Cause’ must have remarks on claim page 4 (MAP1714). ‘Good Cause’ remarks must be the first remarks on the claim and must be formatted as shown below without the parenthetical explanation, failure to follow the required formatting will result in your claim returning to provider (RTP) for reason code 39995.
Scenarios not accepted as a reopening
The following scenarios, submitted after the claim submission timely filing (one year from the date of service) has expired, will not be accepted as a reopening request and will RTP with reason code 39997:

Claim Correction Reopening
Untimely Filing
- The DME MAC telephone reopening number is 1-866-813-7878. This line is in service Monday through Friday, from 7 AM to 5 PM, Central Standard Time. Note: The easiest, fastest, and most efficient way to complete a Telephone Reopening request is via the myCGS Web Portal. Use the telephone reopening process to resolve minor errors or omissions involvin...
56900 Reopenings
Ordering/Referring Denial Reopenings