← Headache Vault Access Index / Payer Policy Landscape
Q12026
January Primary Refresh
Published March 26, 2026
Dataset at this vintage
What the dataset contained on March 26, 2026.
1,204
Payers in registry
870
Policy records
6,696
Formulary entries
73,828
Total records
51
State regulations
11
Data files
Change summary
What changed in this release.
330
Payer policy changes
69,025
Formulary tier changes
51
New payers added
0
State regulation changes
Citation
✓ CC BY 4.0This URL is stable and does not change after publication. Use it when citing this release vintage in publications, briefings, or grant applications.
Doty A. Headache Vault Access Index: Payer Policy Dataset, 2026 Q1.
The Headache Vault; 2026. headachevault.com/research/policy/2026-q173,828 records · 11 files · /research/releases/2026-Q1/dataset.json