Medicare drug coverage

Gabapentin in Wisconsin: 2027 Part D coverage

97 of 97 Part D plans offered in Wisconsin (100%) list gabapentin on their 2027 formulary, the plan's list of covered drugs (up 1 point from 2026). 68% of those require prior authorization, step therapy, or a quantity limit. Plan counts include both Medicare Advantage plans with drug coverage (89 MA-PD) and stand-alone drug plans (8 PDP).

License: a US government work, in the public domain (Public Domain Mark 1.0).

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Every 2027 plan in Wisconsin

Each Part D plan offered in Wisconsin, with gabapentin's 2026 and 2027 tier and its 2027 limits. A tier is the cost level a plan puts a drug on; a lower tier usually costs less. Enter a ZIP to see only the plans offered in that county.

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Dosage form

PA is prior authorization (the plan must approve it first), ST is step therapy (try another drug first), and QL is a quantity limit. D-SNP, C-SNP, and I-SNP are Special Needs Plans: for people with both Medicare and Medicaid, with certain chronic conditions, or who live in a nursing home or need that level of care. Plans are listed by plan ID.

Gabapentin, 2027 Part D plans, in plan ID order
PlanPlan IDType2026 tier2027 tier2027 PA / ST / QLChange
UHC Complete Care WI-1 (PPO C-SNP)H0294-002-000MA-PD (PPO C-SNP)Tier 2Tier 2NoneNo change
AARP Medicare Advantage from UHC WI-0002 (PPO)H0294-004-000MA-PD (PPO)Tier 2Tier 2NoneNo change
AARP Medicare Advantage from UHC WI-6 (PPO)H0294-015-000MA-PD (PPO)Tier 2Tier 2NoneNo change
UHC Dual Advantage WI-V2 (PPO D-SNP)H0294-027-000MA-PD (PPO D-SNP)Tier 2Tier 2NoneNo change
Aetna Medicare Signature (HMO-POS)H1206-002-000MA-PD (HMO-POS)Tier 3Tier 3QLNo change
Community Care's Partnership Program (HMO D-SNP)H2034-001-000MA-PD (HMO D-SNP)Tier 1Tier 1NoneNo change
iCare Family Care Partnership (HMO D-SNP)H2237-007-000MA-PD (HMO D-SNP)Tier 2Tier 2QLNo change
Medica Prime Solution Thrift w/Rx (Cost)H2450-007-000MA-PD (Cost)Tier 2Tier 2QLNo change
Medica Prime Solution Focus w/Rx (Cost)H2450-039-000MA-PD (Cost)Tier 2Tier 2QLNo change
Humana Value Choice (PPO)H3642-001-000MA-PD (PPO)New plan IDTier 2QLNew plan ID in 2027
UHC Dual Complete WI-Q1 (HMO-POS D-SNP)H3794-002-000MA-PD (HMO-POS D-SNP)Tier 2Tier 2NoneNo change
UHC Dual Advantage WI-V1 (HMO-POS D-SNP)H3794-004-000MA-PD (HMO-POS D-SNP)Tier 2Tier 2NoneNo change
UHC Dual Complete WI-YL (HMO-POS D-SNP)H3794-010-000MA-PD (HMO-POS D-SNP)New plan IDTier 2NoneNew plan ID in 2027
UHC Dual Complete WI-S1 (HMO-POS D-SNP)H3794-011-001MA-PD (HMO-POS D-SNP)New plan IDTier 2NoneNew plan ID in 2027
UHC Dual Complete WI-S1 (HMO-POS D-SNP)H3794-011-002MA-PD (HMO-POS D-SNP)New plan IDTier 2NoneNew plan ID in 2027
UHC Dual Complete WI-S1 (HMO-POS D-SNP)H3794-011-003MA-PD (HMO-POS D-SNP)New plan IDTier 2NoneNew plan ID in 2027
Anthem Medicare Advantage 3 (PPO)H4036-008-000MA-PD (PPO)Tier 2Tier 2QLNo change
Molina My Choice Partnership (HMO D-SNP)H5209-005-001MA-PD (HMO D-SNP)Tier 2Tier 2QLNo change
Molina My Choice Partnership (HMO D-SNP)H5209-005-002MA-PD (HMO D-SNP)Tier 2Tier 2QLNo change
Molina My Choice Dual Advantage (HMO D-SNP)H5209-006-001MA-PD (HMO D-SNP)Tier 2Tier 2QLNo change
Molina My Choice Dual Advantage (HMO D-SNP)H5209-006-002MA-PD (HMO D-SNP)Tier 2Tier 2QLNo change
Legacy Rx (HMO-POS)H5211-004-000MA-PD (HMO-POS)Tier 1Tier 1QLNo change
Esteem Rx (HMO)H5211-012-000MA-PD (HMO)Tier 1Tier 1QLNo change
Esteem Rx Silver (HMO-POS)H5211-014-000MA-PD (HMO-POS)New plan IDTier 1QLNew plan ID in 2027
Esteem Rx Gold (HMO-POS)H5211-015-000MA-PD (HMO-POS)New plan IDTier 1QLNew plan ID in 2027

Data only, not plan advice. Confirm on Medicare.gov Plan Finder or 1-800-MEDICARE.

By dosage form

The 2027 formularies list gabapentin by dosage form. A plan can cover one form and leave off or restrict another, so each form is counted on its own.

Gabapentin by dosage form, 2027
Dosage formPlans that list itRestricted (of listing)Most common tier
Extended release oral tablet0 (0%)none list itnone list it
Oral capsule97 (100%)66 (68%)Tier 2
Oral solution97 (100%)66 (68%)Tier 3
Oral tablet97 (100%)66 (68%)Tier 2

Wisconsin compared with the nation

68% of the 97 Part D plans offered in Wisconsin leave gabapentin off the 2027 formulary or restrict it, against 78% nationally (10 points lower). Wisconsin ranks 42 of 51 states from most to least restrictive. A plan offered in several states counts in each.

Gabapentin in every state and by parent organization

2027 compared with 2026

Gabapentin Part D coverage, 2026 and 2027
Measure20262027Change
Part D plans in the file10097-3
Plans that list it99 (99%)97 (100%)+1 point
Prior authorization (of plans that list it)1 (1%)0 (0%)-1 point
Step therapy (of plans that list it)0 (0%)0 (0%)no change
Quantity limit (of plans that list it)67 (68%)66 (68%)no change
Any of the three (of plans that list it)67 (68%)66 (68%)no change
Not listed or restricted (of all plans)68 (68%)66 (68%)no change

Formulary tier

Gabapentin formulary tier, 2026 and 2027
Tier2026 plans2027 plans
Tier 117 (17%)18 (19%)
Tier 273 (74%)72 (74%)
Tier 39 (9%)7 (7%)

Plan by plan, 2026 to 2027

Gabapentin: plans in both 2026 and 2027
Plan by planPlans
Same plan ID in both years85
Listed it in 2026, not in 20270 (0%)
Listed it in 2027, not in 20260 (0%)
Moved it to a higher tier1 (1%)
Moved it to a lower tier3 (4%)
Added prior authorization0 (0%)
Added step therapy0 (0%)
Added a quantity limit0 (0%)
Added at least one of the three0 (0%)
Removed at least one of the three1 (1%)
Plan IDs new in 202712
2026 plan IDs not in the 2027 file15

The CMS summary has no count of tier moves down, so "Moved it to a lower tier" is counted from the plan rows on this page: plans with the same plan ID in both years that list gabapentin both years.

Gabapentin in other states

About this data

A plan here is one Part D plan as the CMS formulary files list it: contract, plan, and segment. That covers Medicare Advantage plans with drug coverage and stand-alone drug plans. A plan lists a drug when its formulary has a row for any RxNorm product of that name. When it has several, the row with the lowest tier is the one counted, and restricted means that row has prior authorization, step therapy, or a quantity limit.

A plan with no row for the drug counts as not listing it. That can be a product the file codes another way, so read a low count as a lookup result, not a coverage decision. A state counts every plan the CMS landscape file offers there. Parent organizations are named as CMS names them. The drug list is the top 200 by total Part D spending.

Source: CMS 2027 Part D formulary file (basic drugs and plan information), as of October 8, 2026. Publisher page

Source: CMS 2026 Part D formulary file (basic drugs and plan information), as of September 30, 2026. Publisher page

Source: CMS CY2027 landscape file (states and parent organizations), as of September 30, 2026. Publisher page

Source: CMS CY2026 landscape file, as of September 25, 2025. Publisher page

Source: CMS Medicare Part D Spending by Drug, 2024 data, as of June 25, 2026. Publisher page

Source: US Census Bureau 2020 ZCTA to county relationship file (ZIP lookup), as of December 9, 2021. Publisher page

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