Simultaneously, the CMS Interoperability and Prior Authorization Final Rule (CMS-0057-F) became operational on January 1, 2026, requiring Medicare Advantage, Medicaid, and CHIP plans to streamline PA with shorter decision timelines (72 hours for expedited, 7 days for standard) and begin publicly reporting PA metrics ( [16] )
You do not pick one number and stay there
Health plans are required to cover certain preventive services recommended by expert panels under the ACA
Fermented foods and gastrointestinal health: underlying mechanisms

What Medicare Already Covers for Weight Management Even without the GLP-1 Bridge (which doesn't start until July 2026), Medicare already covers several weight management services that many beneficiaries don't know about: Current Medicare Weight Management Benefits Obesity Behavioral Counseling (Part B): If your BMI is 30 or higher, Medicare covers up to 22 intensive behavioral therapy sessions over 12 months with your primary care provider, at no cost to you Medical Nutrition Therapy (Part B): If you have diabetes or kidney disease, Medicare covers nutritional counseling sessions with a registered dietitian Diabetes Self-Management Training: Covers education on managing blood sugar, diet, and exercise Bariatric Surgery (Part A): Medicare covers certain weight loss surgeries if medically necessary These preventive services are often overlooked, but they can be a solid starting point, especially while waiting for GLP-1 coverage to become available