Billing FAQ

Billing FAQ

Sample Invoice

When you choose the Small Business Association of Michigan (SBAM) as the sponsor for your company’s health, life and disability insurance, you gain access to exclusive billing administration and customer service from our partner, Grotenhuis.  

With Grotenhuis, you receive one easy-to-read invoice for all your sponsored insurance plans, and also have access to our customer service department for fast, reliable answers regarding your health insurance coverage.  

The expert staff at Grotenhuis is committed and available to work proactively as a team to anticipate and meet your needs. Grotenhuis is your resource for all of your company’s insurance billing administration including employee additions and deletions, claims, ID cards and much more.

Please click here for answers to frequently asked questions about SBAM billing administration.   Contact Grotenhuis at (800) 748-0368 for membership and billing services or email them at