Customer Service

At Riverbend, our customer service representatives are devoted to serving you by offering the same accuracy and quality to all providers. We continue to enhance our knowledge by training in Medicare best practices to better serve your individual needs.

We offer for your convenience the contact information below. You may also consult our Help section, FAQs or sitemap for immediate answers.

For membership eligibility, claim status, financial information and many other options, please call 1-877-296-6189 or view a full informational listing and Interactive Voice Response (IVR) help guide.

Contact Customer Service

Providers:

1-877-296-6189 ( see IVR instructions )
1-877-731-4105 (TTY- Deaf and Hearing Impaired callers only)

By Email: customer.service@rgbagov.com

By Mail:
Riverbend
730 Chestnut Street
Chattanooga, Tennessee 37402

Customer Service Hours

Provider Customer Service hours are:
Monday through Friday 8:00 AM - 6:00 PM EST.

Note: As part of the CMS initiative, RGBA’s Providers Customer Service telephone lines will be closed between the hours of 2:30 PM EST and 4:30 PM EST, on the 1st four Tuesdays of each month for Customer Service Staff Training. Providers may still access the IVR during this time.

Customer Service Holidays

New Year's Day
Martin Luther King Day
President's Day
Memorial Day
Independence Day
Labor Day
Columbus Day
Veterans Day
Thanksgiving Day
Day after Thanksgiving
Christmas Eve
Christmas Day

Riverbend

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