Finding Your Primary Care Provider's ID Number

How to Find Your Primary Care Provider’s ID Number Instructions for Using Our Find a Doctor & Estimate Costs Tool If your plan requires you to choose a primary care provider (PCP), you’ll need to enter your PCP’s ID number on your enrollment form. You can find this number in your plan’s provider directory, or by following these steps: Go to MyBlue at myblue.bluecrossma.com. 1 You can create a new account, sign in to your personalized MyBlue account, or continue without signing in. 2 Click Find a Doctor & Estimate Costs. Questions? Call Member Service at 1-888-456-1351. You can also find this number on the front of your ID card and in your Summary of Benefits. Blue Cross Blue Shield of Massachusetts is an Independent Licensee of the Blue Cross and Blue Shield Association.