That’s exactly what the US Centers for Medicare & Medicaid Services (CMS) did with California’s Medicaid program, known as Medi-Cal. During a review of state-by-state Medicaid spending, CMS saw major warning signs that could not be ignored. REUTERS4 During a review of state-by-state Medicaid spending, CMS saw major warning signs that could not be ignored. We want California to have a healthy Medicaid program, but you can’t treat a patient who insists there’s nothing wrong. Dr. Mehmet Oz is the 17th administrator for the Centers for Medicare & Medicaid Services (CMS).