CGS J15 Part B appeal mailing address

For clinic and billing teams researching professional Part B appeals in Kentucky and Ohio. Confirm the contractor, program and appeal stage on the actual notice before choosing a destination.

Provider Part B appeals handled by CGS J15 for Kentucky and Ohio. Standard postal-mail route only; not Medicare Advantage, DME MAC, Medicaid, second-level QIC, ADR or refund mail. Verify the actual notice and current contractor instructions.

Ordinary postal mail

J15 – Part A/B Correspondence; CGS Administrators, LLC; PO Box 20018; Nashville, TN 37202

FedEx, UPS or certified mail

J15 – Part A/B Correspondence; CGS Administrators, LLC; 26 Century Blvd Suite NT600; Nashville, TN 37214

Use the channel-specific address listed by CGS. Retain submission and delivery evidence in your secure operational system; this research page does not send an appeal.

Which nearby address should not be substituted?

CGS labels this as the Part B Appeals row. The shared Part A/B Correspondence department name does not make it the institutional Part A claim-appeal mailbox. Part A claims, DME suppliers and higher-level QIC appeals use separate process instructions.

Filing window and materials

Not assessed by this address record; use the actual appeal notice and current appeal-stage instructions. Keep the determination, claim identifiers, appeal grounds, representation evidence and required supporting materials in your secure case system. Confirm the current appeal-stage instructions externally; no patient information should be entered here.

Official CGS address table — Mailing Addresses — Appeals row (standard mail) · checked 2026-10-27. Source does not establish a universal effective date; current guidance checked, not historical reconstruction

Original Medicare first-level receipt-based filing window · CGS J15 Part a address and program boundaries · Second-level QIC channels · Provider directory