Medicaid's top doctor defied his department and came out against the GOP's Obamacare replacement

Reuters

Speaker of the House Paul Ryan (R-WI) speaks about the American Health Care Act, the Republican replacement to Obamacare, at the Republican National Committee in Washington, U.S., March 8, 2017.

Medicaid's chief medical officer on Thursday came out publicly against the American Health Care Act proposed by House Republicans.

The decision to oppose the bill is a break from other leaders in the Department of Health and Human Services, which has shown support for the bill. 

"Despite political messaging from others at HHS, I align with the experts from @aafp @AmerAcadPeds @AmerMedicalAssn in opposition to #AHCA," Dr. Andrey Ostrovsky tweeted Wednesday.

Ostrovsky's account also tweeted out statements from the more than half a dozen medical associations that have opposed the bill.

Andy Slavitt, the former head of Medicare and Medicaid under the Obama administration, called Ostrovsky a hero.