Drug Coverage Lookup

See how a prescription drug is placed across Medicare Part D plan formularies — tier, prior authorization, step therapy, and quantity limits, counted per unique plan.

EVRYSDI (Risdiplam)

Survival of Motor Neuron 2 Splicing Modifier

On Part D plan formularies — with restrictions

Found on the formularies of 515 of 5499 Medicare Part D plans in this dataset · Tiers 1–6 · prior authorization on 416 plans (81%) · quantity limits on 344 (67%), counting a plan when at least one form/strength carries the flag.

This is dataset-wide formulary placement (data current through 2026-08-31) — check your specific plan for its current coverage and restrictions.

Found on the formularies of 515 of 5499 Medicare Part D plans in this dataset, but prior authorization appears on 416 of those 515 plans (for at least one form/strength). Check your specific plan for its current rules, and learn what your prescriber needs to submit.
How prior authorization works →
PlanTierPrior AuthStep TherapyQty Limit
Mass General Brigham SCO (HMO D-SNP) (H0777-001) (MA) Tier 1 Yes No None
Mass General Brigham One Care (HMO D-SNP) (H1611-001) (MA) Tier 1 Yes No None
Alameda Alliance Wellness (HMO D-SNP) (H2035-001) (CA) Tier 1 Yes No None
SeniorCare Complete (HMO D-SNP) (H2419-001) (MN) Tier 1 Yes No None
PruittHealth Premier D-SNP (HMO D-SNP) (H3291-002) (GA) Tier 1 Yes No 30 per 30 days
Simpra Advantage Dual Care (PPO D-SNP) (H4091-002) (AL) Tier 1 Yes No 30 per 30 days
Provider Partners Pennsylvania Community Plan (HMO I-SNP) (H4093-004) (PA) Tier 1 Yes No 240 per 30 days
Provider Partners North Carolina Community Plan (HMO I-SNP) (H4439-002) (NC) Tier 1 Yes No 240 per 30 days
Provider Partners Indiana Community Plan (HMO I-SNP) (H4444-002) (IN) Tier 1 Yes No 240 per 30 days
AbilityCare (HMO D-SNP) (H5703-001) (MN) Tier 1 Yes No None
Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) (H5932-001) (PA) Tier 1 Yes No 30 per 30 days
Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) (H5932-012) (PA) Tier 1 Yes No 30 per 30 days
Highmark Health Options Duals (HMO D-SNP) (H6224-001) (WV) Tier 1 Yes No 30 per 30 days
Highmark Health Options Duals (HMO D-SNP) (H7710-001) (DE) Tier 1 Yes No 30 per 30 days
Provider Partners Maryland Community Plan (HMO I-SNP) (H8067-003) (MD) Tier 1 Yes No 240 per 30 days
Provider Partners Missouri Community Plan (HMO I-SNP) (H9191-004) (MO) Tier 1 Yes No 240 per 30 days
Gold Dialysis & Kidney Complete (HMO-POS C-SNP) (H1526-004) (FL) Tier 1 Yes No 30 per 30 days
SECUR Advantage (HMO I-SNP) (H3048-001) (FL) Tier 1 Yes No 30 per 30 days
SECUR Enhanced (HMO I-SNP) (H3048-002) (FL) Tier 1 Yes No 30 per 30 days
ProCare Advantage (HMO-POS I-SNP) (H3467-001) (TX) Tier 1 Yes No 30 per 30 days
ProCare Advantage - Kidney Care (HMO-POS C-SNP) (H3467-002) (TX) Tier 1 Yes No 30 per 30 days
Provider Partners Texas Advantage Plan (HMO I-SNP) (H4054-001) (TX) Tier 1 Yes No 240 per 30 days
American Health Advantage of Florida (HMO I-SNP) (H6652-001) (FL) Tier 1 Yes No 30 per 30 days
Senior Care (HMO I-SNP) (H9917-001) (FL) Tier 1 Yes No 30 per 30 days
Senior Care (HMO I-SNP) (H6832-001) (MI) Tier 1 Yes No 30 per 30 days

One row per plan — showing 25 of 515 plans; a Yes means the flag applies to at least one form/strength on that plan.

For benefits professionals
Plan sponsors and advisors: formulary-placement and utilization analysis across plans.
For benefits teams: plan formulary analysis →

Source: CMS Monthly Prescription Drug Plan Formulary and Pharmacy Network Information — data current through 2026-08-31 (CMS release 2026-08-26, refreshed monthly). Dataset-wide plan-year formulary placement, not a guarantee of your individual benefit — confirm with your plan or pharmacist.

Data: CMS Monthly Part D formulary files · FDA/RxNorm drug identity · CMS NADAC pricing — CMS Part D formulary data current through 2026-08-31 · source

Machine access — this tool is available as structured data for AI assistants and agents:
GET https://insurewith.ai/tools/drug-coverage/data.json?drug=risdiplam
InsureWith Assistant
Hi! I can help you understand drug coverage, formulary tiers, prior authorization, and more. What would you like to know?