Contact Us

Hours of Operation

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.

Holiday Schedule

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)

Correspondence

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 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.

Customer Service

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

Provider Reimbursement

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

Appeals

A redetermination (1^st 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

Provider Address Change

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

Riverbend Open Line

Exists to facilitate the receipt of the correct address and contact information by the CERT contractor.
Phone: (423) 535-3888

Enrollment

EDI Help Desk

Select Option 1 for User ID or Password Assistance; Option 2 for Technical Assistance.
(423) 535-5717

Medical Review

Mailing Medical Records to RGBA:
RGBA
Medicare Medical Review Dept.
P.O. Box 6098
Chattanooga, TN 37401-6098

Program Safeguard Contractors

AdvanceMed
P.O. Box 148089
Nashville, TN 37214

Freedom of Information Act

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

Freedom of Information Act Form

CERT Contractor - AdvanceMed

1-804-264-1778

Coordination of Benefits Contractor - GHI

1-800-999-1118

Medicare Secondary Payer Recovery Contractor - CNI

1-866-MSP-RC20 (1-866-677-7220)

Credit Balances

Cynthia Leamon: (423) 535-7018

Riverbend

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