Welcome Providers

LDI Integrated Pharmacy Services and National Pharmaceutical Services (NPS) are now CastiaRx!

Prior Authorizations: Check the PBM logo on the member ID card and select the appropriate box below. Not sure which system? Contact CastiaRx Member Services at 800.546.5677.


Contact Member Services 24 hours a day, 7 days a week.

Email: MemberServices@CastiaRx.com // Fax: 314-652-3126
(Legacy) LDI: 866.516.3121 // (Legacy) NPS: 800-546-5677