Find a Provider If you purchase a Supplement Plus policy in addition to a Medicare Supplement insurance plan, use the links provided in the table below to search for dental, vision and hearing providers. Insurance Type Medicare Supplement Plus Dental DenteMax Provider Locator Vision EyeMed Provider Locator (select the "Insight" network) Hearing For network information call 1-833-627-1486 Page last updated on 6/20/2019 C3857