Medicare Part D coverage · levothyroxine sodium · RxCUI 966218
levothyroxine sodium 0.3 MG Oral Tablet [Synthroid]
Per the CMS 2026 Part D formulary file, levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] is covered by 4,673 Medicare Part D plans (92.5% of enrollable products), averaging Tier 3, with prior authorization required on 0% of covering formularies.
- 92.5%
- Plan coverage
- 4,673
- Plans covering
- T3
- Avg tier
- 0%
- Prior auth required
What the CMS Formulary Data Shows for levothyroxine sodium 0.3 MG Oral Tablet [Synthroid]
Per the CMS 2026 Part D formulary file, levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] (RxNorm concept RXCUI 966218, generic name levothyroxine sodium) appears on 245 distinct formulary files spanning 4,673 Medicare Part D plan offerings - 92.5% of enrollable Part D products, near-universal placement. Tier placement ranges from Tier 1 to Tier 4, with a cross-plan average of Tier 3.
Real-world access to levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] depends on utilization management as much as tier placement: 0% of covering formularies require prior authorization. 0% require step therapy. 0% apply quantity limits.
Historical spending context from the CMS Medicare Part D Drug Spending Dashboard shows 8,687,969 Part D beneficiaries filled levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] in 2023, with total plan-and-beneficiary spending of $653,580,460 and an average per-beneficiary annual cost of $75.23. The plan-by-plan detail below lists exactly which PDP and MA-PD contracts carry levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] today.
Coverage Details
- Formularies covering
- 245
- Plans covering
- 4,673
- Coverage rate
- 92.5%
- Tier range
- Tier 1 – Tier 4
- Average tier
- Tier 3, Preferred Brand
Restrictions
- Prior authorization required
- 0% of formularies
- Step therapy required
- 0% of formularies
- Quantity limits
- 0% of formularies
2023 Medicare Spending
- Beneficiaries
- 8,687,969
- Total spending
- $653,580,460
- Avg per beneficiary
- $75.23
Tier Distribution Across Plans
Medicare Advantage Plans (MA-PD) Covering levothyroxine sodium 0.3 MG Oral Tablet [Synthroid]
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 | No | $0 | VA |
| Sentara Community Complete (HMO D-SNP) | Sentara Health Plans | T1 | No | $0 | VA |
| Florida Complete Care-Duals VIP (HMO-POS D-SNP) | Hpmp OF Florida, Inc. | T1 | No | $0 | FL |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Mercy Care Advantage (HMO D-SNP) | Mercy Care | T1 | No | $0 | AZ |
| Elderplan Plus Long-Term Care (HMO-POS D-SNP) | Elderplan, Inc. | T1 | No | $0 | NY |
| Health Choice Pathway (HMO D-SNP) | Health Choice Arizona, Inc. | T1 | No | $0 | AZ |
| Healthfirst CompleteCare (HMO D-SNP) | Healthfirst Health Plan, Inc. | T1 | No | $0 | NY |
| IMCare Classic (HMO D-SNP) | Itasca Medical Care | T1 | No | $0 | MN |
| Johns Hopkins Advantage MD D-SNP (HMO D-SNP) | Hopkins Health Advantage, Inc. | T1 | No | $0 | MD |
| MetroPlus UltraCare (HMO D-SNP) | Metroplus Health Plan, Inc. | T1 | No | $0 | NY |
| Senior Whole Health SCO (HMO D-SNP) | Senior Whole Health, LLC | T1 | No | $0 | MA |
| Senior Whole Health SCO NHC (HMO D-SNP) | Senior Whole Health, LLC | T1 | No | $0 | MA |
| Molina One Care (HMO D-SNP) | Senior Whole Health, LLC | T1 | No | $0 | MA |
| PruittHealth Premier D-SNP (HMO D-SNP) | Pruitthealth Premier, Inc. | T1 | No | $0 | GA |
| Simpra Advantage Dual Care (PPO D-SNP) | Simpra Advantage, Inc. | T1 | No | $0 | AL |
| Gold Coast Health Plan Total Care Advantage (HMO D-SNP) | Ventura County Medi-Cal Managed Care Commission | T1 | No | $0 | CA |
| Blue Cross Medicare Advantage Dual Care Plus (HMO D-SNP) | Health Care Service Corporation | T1 | No | $0 | NM |
| Blue Cross MA Dual Care Plus Preferred (PPO D-SNP) | Health Care Service Corporation | T1 | No | $0 | NM |
Show the next 30 plans
| Horizon NJ TotalCare (HMO D-SNP) | Horizon Healthcare OF NEW Jersey, Inc. | T1 | No | $0 | NJ |
| SecureBlue (HMO D-SNP) | HMO Minnesota | T1 | No | $0 | MN |
| NaviCare (HMO D-SNP) | Fallon Community Health Plan | T1 | No | $0 | MA |
| Hamaspik Medicare Choice (HMO D-SNP) | Hamaspik, Inc. | T1 | No | $0 | NY |
| SeniorCare Complete (HMO D-SNP) | South Country Health Alliance | T1 | No | $0 | MN |
| AbilityCare (HMO D-SNP) | South Country Health Alliance | T1 | No | $0 | MN |
| Alameda Alliance Wellness (HMO D-SNP) | Alameda Alliance FOR Health | T1 | No | $0 | CA |
| CCA One Care (HMO D-SNP) | Commonwealth Care Alliance, Inc. | T1 | No | $0 | MA |
| CCA Senior Care Options (HMO D-SNP) | Commonwealth Care Alliance, Inc. | T1 | No | $0 | MA |
| Platino Blindao (HMO D-SNP) | Triple S Advantage, Inc. | T1 | No | $0 | PR |
| Platino Enlace (HMO D-SNP) | Triple S Advantage, Inc. | T1 | No | $0 | PR |
| Platino Advance (HMO D-snp) | Triple S Advantage, Inc. | T1 | No | $0 | PR |
| Platino Plus (HMO D-snp) | Triple S Advantage, Inc. | T1 | No | $0 | PR |
| CalOptima Health OneCare Complete (HMO D-SNP) | Orange County Health Authority | T1 | No | $0 | CA |
| Mass General Brigham SCO (HMO D-SNP) | Mass General Brigham Health Plan, Inc | T1 | No | $0 | MA |
| Mass General Brigham One Care (HMO D-SNP) | Mass General Brigham Health Plan, Inc | T1 | No | $0 | MA |
| Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) | Gateway Health Plan, Inc. | T1 | No | $0 | PA |
| Highmark Wholecare Medicare Assured Diamond (HMO D-SNP) | Gateway Health Plan, Inc. | T1 | No | $0 | PA |
| Highmark Health Options Duals (HMO D-SNP) | Highmark Health Options West Virginia Inc. | T1 | No | $0 | WV |
| Highmark Health Options Duals (HMO D-SNP) | Highmark Bcbsd, Inc. | T1 | No | $0 | DE |
| Tufts Health One Care (HMO D-SNP) | Tufts Health Public Plans, Inc. | T1 | No | $0 | MA |
| Tufts Health One Care CW (HMO D-SNP) | Tufts Health Public Plans, Inc. | T1 | No | $0 | MA |
| Tufts Health Plan Senior Care Options (HMO D-SNP) | Tufts Associated Health Maintenance Organization | T1 | No | $0 | MA |
| Tufts Health Plan Senior Care Options CW (HMO D-SNP) | Tufts Associated Health Maintenance Organization | T1 | No | $0 | MA |
| Florida Complete Care (HMO I-SNP) | Hpmp OF Florida, Inc. | T1 | No | $4.80 | FL |
| Florida Complete Care- In The Community (HMO-POS I-SNP) | Hpmp OF Florida, Inc. | T1 | No | $4.80 | FL |
| Senior Care (HMO I-SNP) | Align Senior Care Florida, Inc. | T1 | No | $4.80 | FL |
| ProCare Advantage (HMO-POS I-SNP) | Procare Advantage, LLC | T1 | No | $4.80 | TX |
| ProCare Advantage - Kidney Care (HMO-POS C-SNP) | Procare Advantage, LLC | T1 | No | $4.80 | TX |
| American Health Advantage of Florida (HMO I-SNP) | American Health Plan OF FL, Inc. | T1 | No | $4.80 | FL |
Showing top 50 of 100 plans.
Frequently Asked Questions
Is levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] covered by Medicare Part D?
Yes, levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] is covered by 4,673 Medicare Part D plans (92.5% of all Part D formularies).
What tier is levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] on Medicare Part D plans?
levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] averages Tier 3 across Part D plans, ranging from Tier 1 to Tier 4.
Does levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] require prior authorization?
0% of Part D formularies require prior authorization for levothyroxine sodium 0.3 MG Oral Tablet [Synthroid]. Step therapy: 0%. Quantity limits: 0%.
How much does Medicare spend on levothyroxine sodium 0.3 MG Oral Tablet [Synthroid]?
In 2023, total Medicare Part D spending on levothyroxine sodium 0.3 MG Oral Tablet [Synthroid] was $653,580,460, covering 8,687,969 beneficiaries. The average spend per beneficiary was $75.23.
Read our methodology - how this data is sourced, computed, and verified.
Nationwide similar Part D drugs
Data-derived peers across the CMS Part D formulary extract: nearest average tier placement and nearest prior-authorization rate. Not therapeutic alternatives or same-generic strengths.
Closest average formulary tier
Similar prior-authorization rate
- torsemide 40 MG Oral Tablet [Soaanz] 0% PA
- metronidazole 10 MG/ML Topical Cream [Noritate] 0% PA
- 24 HR minocycline 40 MG Extended Release Oral Capsule [Emrosi] 0% PA
- buspirone hydrochloride 10 MG Oral Capsule [Bucapsol] 0% PA
- diflunisal 375 MG Oral Tablet [Dolobid] 0% PA
- hydrocortisone 1 MG/ML Oral Solution [Khindivi] 0% PA