Important Tax Information: 1099 Forms

Published 08/13/2025

Please review your 1099 document closely and contact us immediately if you notice any discrepancies in your name, tax identification number or dollar amount reported. All corrections must be processed by mid-March of the current year. To ensure that we meet all Internal Revenue Service (IRS) regulations regarding the issuance of these forms, any requests received after their deadline will not be processed. 

When reporting discrepancies please ensure that you use your company letterhead, specify the update required and include the following items:

  1. Copy of the 1099 form mailed to you
  2. Completed W-9 dated after January 31 of the current year
  3. Legacy Medicare Provider Number/Provider Transaction Access Number (PTAN)
  4. National Provider Identifier (NPI)
  5. Contact name with contact number

Faxed copies will not be accepted

Palmetto GBA is prohibited from faxing or emailing 1099 information. Below are the various 1099 contact options available:

Palmetto GBA, LLC
Attn: Finance 1099 Support Team, AG-360
Post Office Box 100217|
Columbia, SC 29202–3217

  • Overnight mail address

Palmetto GBA, LLC
Attn: Finance 1099 Support Team, AG-360
2300 Springdale Drive, Bldg. One
Camden, SC 29020

Please note that corrections made to your 1099 form will not correct future 1099 forms or your Medicare provider file. The Centers for Medicare & Medicaid Services (CMS) regulations regarding your Medicare provider number require that you complete the appropriate CMS-855 enrollment application to make the necessary updates to your Medicare provider file.

If you have any questions regarding these requirements or the steps to make a permanent update to your records, please contact the number listed below for your location:

  • Jurisdiction M Medicare Administrative Contract (MAC): 855–696–0705
  • Railroad Medicare: 888–355–9165
  • Jurisdiction J MAC: 877–567–7271

Was this article helpful?