rifaximin 200 MG Oral Tablet [XIFAXAN]
rifaximin
RxCUI: 539789
What the CMS Formulary Data Shows for rifaximin 200 MG Oral Tablet [XIFAXAN]
Per the CMS 2026 Part D formulary file, rifaximin 200 MG Oral Tablet [XIFAXAN] (RxNorm concept RXCUI 539789, generic name rifaximin) appears on 170 distinct formulary files spanning 2,813 Medicare Part D plan offerings - 55.5% of enrollable Part D products, mid-range placement; shopping across contracts changes access. Tier placement ranges from Tier 1 to Tier 4, with a cross-plan average of Tier 3.1.
Real-world access to rifaximin 200 MG Oral Tablet [XIFAXAN] depends on utilization management as much as tier placement: 89.4% of covering formularies require prior authorization. 0% require step therapy. 72.4% apply quantity limits.
Historical spending context from the CMS Medicare Part D Drug Spending Dashboard shows 96,011 Part D beneficiaries filled rifaximin 200 MG Oral Tablet [XIFAXAN] in 2023, with total plan-and-beneficiary spending of $1,090,110,101 and an average per-beneficiary annual cost of $11,354.01. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry rifaximin 200 MG Oral Tablet [XIFAXAN] today.
Coverage Details
- Formularies covering
- 170
- Plans covering
- 2,813
- Coverage rate
- 55.5%
- Tier range
- Tier 1 – Tier 4
- Average tier
- Tier 3, Preferred Brand
Restrictions
- Prior authorization required
- 89.4% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 72.4% of formularies
2023 Medicare Spending
- Beneficiaries
- 96,011
- Total spending
- $1,090,110,101
- Avg per beneficiary
- $11,354.01
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering rifaximin 200 MG Oral Tablet [XIFAXAN]
100 Medicare Advantage plans with Part D drug coverage include this drug.
| Plan | Insurer | Tier | PA | Premium | States |
|---|---|---|---|---|---|
| Sentara Community Complete Select (HMO D-SNP) | SENTARA HEALTH PLANS | T1 | Yes | $0 | VA |
| Sentara Community Complete (HMO D-SNP) | SENTARA HEALTH PLANS | T1 | Yes | $0 | VA |
| ElderServe MAP (HMO D-SNP) | ELDERSERVE HEALTH, INC. | T1 | Yes | $0 | NY |
| Cooperative Advantage (HMO D-SNP) | GROUP HEALTH COOPERATIVE OF EAU CLAIRE | T1 | Yes | $0 | WI |
| Longevity Health Plan (PPO I-SNP) | LONGEVITY HEALTH PLAN OF NEW JERSEY INSURANCE COMP | T1 | Yes | $0 | NJ |
| Upper Peninsula Health Plan MI Coordinated Health (HMO D-SNP) | UPPER PENINSULA HEALTH PLAN, LLC | T1 | Yes | $0 | MI |
| CareSource Dual Advantage (HMO D-SNP) | CARESOURCE GEORGIA CO. | T1 | Yes | $0 | GA |
| HAP CareSource MI Coordinated Health (HMO D-SNP) | HAP CARESOURCE | T1 | Yes | $0 | MI |
| SeniorCare Complete (HMO D-SNP) | SOUTH COUNTRY HEALTH ALLIANCE | T1 | Yes | $0 | MN |
| AbilityCare (HMO D-SNP) | SOUTH COUNTRY HEALTH ALLIANCE | T1 | Yes | $0 | MN |
| Alameda Alliance Wellness (HMO D-SNP) | ALAMEDA ALLIANCE FOR HEALTH | T1 | Yes | $0 | CA |
| Elevate Medicare Choice (HMO D-SNP) | DENVER HEALTH MEDICAL PLAN, INC. | T1 | Yes | $0 | CO |
| AllCare Advantage Redwood Rx (HMO D-SNP) | ALLCARE HEALTH PLAN, INC. | T1 | Yes | $0 | OR |
| PrimeWest Senior Health Complete (HMO D-SNP) | PRIMEWEST RURAL MN HEALTH CARE ACCESS INITIATIVE | T1 | Yes | $0 | MN |
| Prime Health Complete (HMO D-SNP) | PRIMEWEST RURAL MN HEALTH CARE ACCESS INITIATIVE | T1 | Yes | $0 | MN |
| Alterwood Advantage Dual Secure (HMO D-SNP) | ALTERWOOD ADVANTAGE, INC. | T1 | Yes | $0 | MD |
| Nascentia Dual Advantage (HMO D-SNP) | VISITING NURSE ASSOCIATION OF CENTRAL NEW YORK | T1 | Yes | $0 | NY |
| Provider Partners Pennsylvania Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF PENNSYLVANIA, INC | T1 | Yes | $0 | PA |
| Provider Partners North Carolina Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF NORTH CAROLINA | T1 | Yes | $0 | NC |
| Provider Partners Indiana Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF INDIANA | T1 | Yes | $0 | IN |
| Provider Partners Maryland Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN, INC. | T1 | Yes | $0 | MD |
| Provider Partners Missouri Community Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF MISSOURI, INC. | T1 | Yes | $0 | MO |
| Abilis Health Community (HMO I-SNP) | SIGNATURE ADVANTAGE, LLC | T1 | Yes | $0 | KY, TN |
| Arkansas Integrated Providers (AIP) Dual Advantage (HMO D-SNP) | ARKANSAS SUPERIOR SELECT, INC. | T1 | Yes | $0 | AR |
| Community Care's Partnership Program (HMO D-SNP) | COMMUNITY CARE HEALTH PLAN, INC. | T1 | No | $0 | WI |
| Mass General Brigham SCO (HMO D-SNP) | MASS GENERAL BRIGHAM HEALTH PLAN, INC | T1 | Yes | $0 | MA |
| Mass General Brigham One Care (HMO D-SNP) | MASS GENERAL BRIGHAM HEALTH PLAN, INC | T1 | Yes | $0 | MA |
| Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) | GATEWAY HEALTH PLAN, INC. | T1 | Yes | $0 | PA |
| Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) | GATEWAY HEALTH PLAN, INC. | T1 | Yes | $0 | PA |
| Highmark Health Options Duals (HMO D-SNP) | HIGHMARK HEALTH OPTIONS WEST VIRGINIA INC. | T1 | Yes | $0 | WV |
| Highmark Health Options Duals (HMO D-SNP) | HIGHMARK BCBSD, INC. | T1 | Yes | $0 | DE |
| Longevity Health Plan (HMO I-SNP) | LONGEVITY HEALTH PLAN OF FLORIDA, INC. | T1 | Yes | $4.80 | FL |
| Gold Dialysis & Kidney Complete (HMO-POS C-SNP) | GOLD KIDNEY OF FLORIDA INC | T1 | Yes | $4.80 | FL |
| Provider Partners Texas Advantage Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF TEXAS, INC. | T1 | Yes | $4.80 | TX |
| Texas Independence Health Plan, Inc. (HMO I-SNP) | TEXAS INDEPENDENCE HEALTH PLAN, INC. | T1 | Yes | $4.80 | TX |
| Texas Independence Community Plan (HMO I-SNP) | TEXAS INDEPENDENCE HEALTH PLAN, INC. | T1 | Yes | $4.80 | TX |
| Longevity Health Plan (HMO I-SNP) | LONGEVITY HEALTH PLAN OF MICHIGAN, INC. | T1 | Yes | $8.80 | MI |
| Tribute Select (HMO-POS I-SNP) | ARKANSAS SUPERIOR SELECT, INC. | T1 | Yes | $8.90 | AR |
| ATRIO Special Needs Plan (HMO D-SNP) | ATRIO HEALTH PLANS | T1 | Yes | $10.50 | OR |
| ATRIO Special Needs Plan (HMO D-SNP) | ATRIO HEALTH PLANS | T1 | Yes | $10.50 | OR |
| Highmark Wholecare Medicare Assured Ruby (HMO D-SNP) | GATEWAY HEALTH PLAN, INC. | T1 | Yes | $13.10 | PA |
| Longevity Health Plan (HMO I-SNP) | LONGEVITY HEALTH PLAN OF ILLINOIS, INC. | T1 | Yes | $15.20 | IL |
| Provider Partners Illinois Advantage Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN OF ILLINOIS | T1 | Yes | $15.20 | IL |
| Gold Dialysis & Kidney Complete (HMO-POS C-SNP) | GOLD KIDNEY OF ARIZONA | T1 | Yes | $17.00 | AZ |
| Highmark Wholecare Medicare Assured Ruby (HMO D-SNP) | GATEWAY HEALTH PLAN, INC. | T1 | Yes | $17.60 | PA |
| WellSense Added Value (HMO) | BOSTON MEDICAL CENTER HEALTH PLAN, INC. | T1 | Yes | $21.70 | NH |
| Alterwood Advantage Dual Value (HMO D-SNP) | ALTERWOOD ADVANTAGE, INC. | T1 | Yes | $31.20 | MD |
| Provider Partners Maryland Advantage Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN, INC. | T1 | Yes | $31.20 | MD |
| Provider Partners Maryland Essential Plan (HMO I-SNP) | PROVIDER PARTNERS HEALTH PLAN, INC. | T1 | Yes | $31.20 | MD |
| Highmark Health Options Duals Select (HMO D-SNP) | HIGHMARK BCBSD, INC. | T1 | Yes | $31.20 | DE |
Frequently Asked Questions
Is rifaximin 200 MG Oral Tablet [XIFAXAN] covered by Medicare Part D?
Yes, rifaximin 200 MG Oral Tablet [XIFAXAN] is covered by 2,813 Medicare Part D plans (55.5% of all Part D formularies).
What tier is rifaximin 200 MG Oral Tablet [XIFAXAN] on Medicare Part D plans?
rifaximin 200 MG Oral Tablet [XIFAXAN] averages Tier 3.1 across Part D plans, ranging from Tier 1 to Tier 4.
Does rifaximin 200 MG Oral Tablet [XIFAXAN] require prior authorization?
89.4% of Part D formularies require prior authorization for rifaximin 200 MG Oral Tablet [XIFAXAN]. Step therapy: 0%. Quantity limits: 72.4%.
How much does Medicare spend on rifaximin 200 MG Oral Tablet [XIFAXAN]?
In 2023, total Medicare Part D spending on rifaximin 200 MG Oral Tablet [XIFAXAN] was $1,090,110,101, covering 96,011 beneficiaries. The average spend per beneficiary was $11,354.01.
Read our methodology - how this data is sourced, computed, and verified.