Methodology Changelog

Every material change to data sources, transformations, or the State Access Score is logged here in reverse chronological order.

2026-04-25 (V1 launch)

• Initial publish of methadone clinic directory using CMS OTP file 2026-01-05.
• Initial publish of buprenorphine prescriber directory using NPPES NHRS 2026-04-13.
• State Access Score V1 published with the weights documented on the methodology page.
• Detox section reduced from city level pages to state level educational pages only.
• Suboxone city pages threshold set to a minimum of 5 active prescribers per city to avoid thin content.
• CAA 2023 X-waiver elimination disclaimer added to every buprenorphine page.
• FL 1115 SUD waiver labeled pending. TX flagged as no SUD 1115 waiver and no comprehensive Good Samaritan law.
• Reviewer placeholder disclosed on the medical review board page; full V2 reviewer roster pending.