2025 PBM Prescription Validation Requests Summary
PAAS National®® saw the number of validation requests/claim reviews increase 22% in 2025. While OptumRx® sends out most of the validation requests/claim reviews, we also see them from Caremark, Express Scripts, Humana, MagellanRx, Medimpact, and Prime Therapeutics. Three additional PBMs began to do the reviews in 2025 and those are Meridian, Pharmastar and some Medicaid […]


