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Greenphire vs PatientPay
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Billing & Payments
Overview
Focus
Billing & Payments
Billing & Payments
Product
Clinical trial patient payment and site budgeting platform automating financial operations across the clinical research lifecycle.
Patient payment platform offering digital billing, payment plans, and merchant services for healthcare practices.
Headquarters
King of Prussia, Pennsylvania
Durham, North Carolina
Company size
201-500 employees
51-200 employees
Founded
2008
2007
Pricing details
Free options
Free trial
Source updated
Oct 29, 2026
Oct 29, 2026