Number For AmbetterContact us at 1-877-687-1182 ( TTY 1-800-743-3333) and we will work with you (and, if you wish, with your doctor) to find a wellness program with the same reward that is right for you in light of your health status. *Statistical claims and the #1 Marketplace Insurance statement are in reference to national on-exchange marketplace membership and based on national Ambetter data in conjunction with findings from 2021 Rate Review data from CMS, 2021 State-Level Public Use File from CMS, state insurance regulatory filings, and public financial filings. Ambetter is the fastest and easiest way to enroll in ACA / Marketplace health insurance. How long is the prior authorization number valid? The authorization number is valid for 45 days from the date of request. Ambetter has you covered, with plans available in 27 states nationwide. Login to the Secure Member Portal. Member Services can help you: Find an in-network provider. Rather than trying to call Ambetter of. Providers can also submit prior authorization telephonically at 1-800-642-7554 or through fax at 1-800-784-6864. *Statistical claims and the #1 Marketplace Insurance statement are in reference to national on-exchange marketplace membership and based on national Ambetter data in conjunction with findings from 2021 Rate Review data from CMS, 2021 State-Level Public Use File from CMS. There are many ways to get in touch with us, and resources available on our. Common problems addressed by the customer care unit that answers calls to 877-617-0390 include and other customer service issues. Or, leave us your information and we'll be in touch soon!. With Ambetter it's easy to take charge of your health. Centene Corporation, its agents,. toll free number, (1-800-424-4918) for processing. There are many ways to get in touch with us, and resources available on our website: Enroll with Ambetter Login to the. See coverage in your area; Find doctors. Ambetter Illinicare Health Member and Provider Services Phone Number: 855-745-5507: Ambetter. Use your ZIP Code to find your personal plan. Ambetter member ID number.