We are experiencing technical difficulties with our phone system and are working as quickly as possible to resolve the issue. We appreciate your patience. (posted 12:00 p.m. CT on Wed., July 6, 2022) 

Medicare Advantage patient and claim information 

We are partnering with Delta Dental of Michigan to administer Medicare Advantage dental benefits on behalf of Delta Dental of South Dakota, including claims and customer services. Below you'll find the key information to support your care of patients that have DDSD dental benefits in their Medicare Advantage plan.

Patient information

Benefits, eligibility, and claim information are available online. NOTE: use your current DDSD username and password if already registered.

Customer service

For claims questions and other customer service inquires (M-F 7:00 a.m. - 7:00 p.m. CT) call:

Electronic claims

Payer ID number: SDCMS

Mail claims

Delta Dental of South Dakota, PO Box 9214, Farmington Hills, MI 48333

How will I know if a patient is a Medicare Advantage member? 

The ID card issued by Wellmark Blue Cross Blue Shield will include a L5I prefix to the enrollee ID, and include the word 'dental' in the bottom left corner of the ID card.

Special note: When submitting a dental claim, DO NOT include the L5I prefix for the enrollee ID. Use only the identifier that begins with "W" (e.g. W14000209).

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