What we know about this broker
Confirmed 2026-06-16. Definitive Healthcare is a B2B healthcare data and analytics company registered as a data broker in CA, OR, VT, and TX. They sell business contact data for healthcare professionals (name, job title, business email, business phone, NPI, employer, practice address). Opt-out form at preferences.definitivehc.com is powered by DataGrail. Privacy contact is [email protected] (primary) — seed reference to [email protected] is a subsidiary product (Monocl), not the main entity. Authorized agents accepted with signed authorization per CCPA. Phone opt-out also available at 1-866-679-6461. The broker processes primarily professional/B2B identifiers; email is the minimal required field to locate a record, supplemented by name. No public profile to rescan — result is broker_confirmed.
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