Riverbend employees are available from 8:30 AM to 4:30 PM EST Monday through Friday. Please refer to our Holiday Schedule for days that employees will be out of the office.
Note: These hours are independent of our Customer Service department. Please visit their page for Customer Service hours, holiday schedule and contact information.
Riverbend will be closed for the following holidays:
New Year's Day
Martin Luther King Day
Memorial Day
Independence Day
Labor Day
Thanksgiving Day
Day after Thanksgiving
Two days at Christmas (days to be determined based on when holiday falls)
RGBA can be contacted in writing at:
Riverbend Government Benefits Administrator
730 Chestnut Street
Chattanooga, TN 37402
Or by e-mail at:
customer.service@rgbagov.com
Please use the routing form ![]()
Please do not include any health or claim-related information in your e-mail correspondence. This includes Medicare numbers, Social Security numbers, personal medical information, or other confidential items If you have a question about a specific claim, please call or write our office.
Beneficiary Inquiries:
1-800-MEDICARE (1-800-633-4227)
TTY/TDD toll-free #: 1-877-468-2048
Provider IVR:
1-877-296-6189
TTY/TDD toll-free #: 1-877-731-4105
Cost Report packages should be directed to:
RGBA Provider Reimbursement
730 Chestnut Street
Chattanooga, TN 37402
Tele: (423) 535-5906
Refund Checks
Make check, referenced “Unsolicited/Voluntary Refund,” payable to RGBA and mail to:
Riverbend GBA Inc.
PO Box 1000
Dept 831
Memphis, TN 38148-0831
Chattanooga, TN 37402
A redetermination (1st level appeal) must be requested in writing within 120 days of the original determination.
Mail to:
Riverbend GBA
Appeals Dept
PO Box 6007
Chattanooga, TN 37401
To update address and contact data for Riverbend, contact Provider Enrollment for assistance on completion of the process.
Julietta Jones: (423) 535-5124
Trina Roberts: (423) 535-3823
Exists to facilitate the receipt of the correct address and contact information by the CERT contractor.
Phone: (423) 535-3888
Select Option 1 for User ID or Password Assistance; Option 2 for Technical Assistance.
(423) 535-5717
Mailing Medical Records to RGBA:
RGBA
Medicare Medical Review Dept.
P.O. Box 6098
Chattanooga, TN 37401-6098
New Jersey Providers only:
EDS
225 Grandview Avenue
Mail Stop F-10
Camp Hill, PA 17011
Web site: eds-gov.com
All Other Providers:
AdvanceMed
P.O. Box 148089
Nashville, TN 37214
Request information in writing:
Please provide your mailing address, phone #, and a legal signature.
Requests should be directed to:
RiverbendGBA
Attn: Julietta Jones
730 Chestnut Street
Chattanooga, TN 37402
Or e-mailed to :
Julietta.Jones@rgbagov.com
1-804-264-1778
1-800-999-1118
1-866-MSP-RC20 (1-866-677-7220)
Cynthia Leamon: (423) 535-7018