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Military Medical Support Office at Defense Health Agency, Great Lakes

1-888-647-6676: All services but Coast Guard
757-628-4379: Coast Guard

  • https://health.mil/Military-Health-Topics/Access-Cost-Quality-and-Safety/TRICARE-Health-Plan/MMSO
  • The Military Medical Support Office at Defense Health Agency, Great Lakes serves as the customer service point of contact for medical/dental case management for services outside of a military hospital or clinic. 
  • Services provided are for TRICARE Prime Remote-eligible and National Guard and Reserve service members within the 50 United States and District of Columbia.
  • Specified Authorization Staff (SAS) is the uniformed service office responsible for coordinating civilian health care for service members participating in TPR. 

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