Find drugs that require prior authorization or step therapy

Security Health Plan requires certain prescription drugs prior authorization (PA) and step therapy (ST) from Security Health Plan before being covered under your Part D drug coverage.

Part D prior authorization drug list

These drugs appear in the formulary with the "PA" designation. Click on the link below to view a list of drugs that require prior authorization. You'll also find a brief description of the criteria used to make the coverage determination.

View the 2026 Medicare Advantage HMO-POS and Ally Rx D-SNP prior authorization drug list.

In addition, there are other drugs on our formulary that require prior authorization to determine whether they are covered under Medicare Part B instead of Part D.

View Part B drugs that require prior authorization.

If you have questions regarding prior authorization, please contact Security Health Plan Customer Service at 1-877-998-0998 (TTY 711). We are open 8 a.m. to 8 p.m., 7 days a week, Oct. 1-March 31; and Monday through Friday 8 a.m. to 8 p.m., April 1-Sept. 30. If you are hearing- or-speech-impaired please call TTY 711.

Part D step therapy drug list

These drugs appear in the formulary with the "ST" designation. Click on the link below to view a list of drugs that require step therapy. You'll also find a brief description of the criteria used to make the coverage determination.

View the 2026 Medicare Advantage HMO-POS and Ally Rx D-SNP Part D step therapy drug list.

In addition, there are other drugs on our formulary that require step therapy that are covered under Medicare Part B instead of Part D.

View Part B drugs that require step therapy.