Prescription Drugs
What is the D-SNP Plan Formulary?
The Aetna® D-SNP plan formulary is a list of drugs selected in consultation with a team of health care providers. The drugs we chose represent the prescription therapies believed to be a necessary part of a quality treatment program. Aetna will generally cover the drugs listed on our formulary as long as the drug is medically necessary.
View the latest Formulary. The formulary is continuously under review, and as changes occur, the version on the website is updated.
For a drug that is not on the List of Covered Drugs (formulary), a statement must be provided documenting trial and failure of the formulary medications or a medical reason why the formulary medications cannot be used.
For information on benefits, see Part D Prescription Drug. For more information on prescription drug coverage, please view the Evidence of Coverage and other materials, or contact Member Services at 1-855-463-0933 (TTY: 711) 8 AM to 8 PM, seven days a week.
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Part D Information and Resources
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- List of Covered Drugs
- Monthly Formulary updates
- Medication therapy management program
- Provider Pharmacy Coverage Determination Form
- Mail Service Order Form (English | Spanish )
- 2024 Prescription Drug Search Tool
- 2025 Prescription Drug Search tool
- Prescription Drug Transition policy
- 2024 Pharmacy Search tool
- 2025 Pharmacy search tool
- Prior Authorization Criteria
- Step Therapy Criteria
- Hospice Part D exception form
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Part B Step Therapy Prior Authorization Fax Forms
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Find preferred drugs
We’ve compiled the Part B Step Therapy Preferred Drug Lists below for your convenience. Please click below:
2024 Medicare Part B Step Therapy Preferred Drug List
2025 Medicare Part B Step Therapy Preferred Drug List (Aetna Medicare Assure Value)
2025 Medicare Part B Step Therapy Preferred Drug List (Aetna Medicare Better Health (HMO D-SNP)