Medco is a leading pharmacy benefit manager (PBM) with the nation's largest mail order pharmacy operations. Medco assists its customers to moderate the cost and enhance the quality of prescription drug benefits provided to members nationwide. Ensuring that millions of Americans have access to affordable, high quality prescription healthcare is more than our business - it's our calling.

Client Website
The Medco Client Website is a business-to-business Internet portal that enables Medco to provide superior service to its clients and their members and employees. The website empowers clients and their Medco account management teams with online, real-time access to eligibility, reporting and analytical tools to:

  • quickly and easily inquire on and update eligibility, review coverage information, and perform prior authorizations, and
  • gain immediate insight about critical plan performance measures such as cost and utilization.

eService Delivery
Medco's eService Delivery (eSD) product, also available through the Client Website as described above, delivers industry-leading online prescription benefit program administration capabilities. eSD's real-time, user-friendly features assist in answering member questions about eligibility, drug coverage, and participating pharmacies. eSD helps Medco and Medco's clients provide superior member service that enhances employee and member satisfaction.

Q: How does someone gain access to the Client Website or standalone eService Delivery?
A: User IDs, passcodes and passwords are available to authorized users and can be requested by Medco clients and authorized third parties through their account management teams.

Q: What if I forget my passcode or become locked out of the Authentication Center?
A: For Client Website: e-mail or call toll-free 1 866 99MEDCO (1 866 996-3326). Client Website support is available Monday through Friday from 8:00 a.m. - 8:00 p.m. EST. Messages outside those hours will be returned the next business day.

For Standalone eService Delivery: Call our help desk toll-free 1 800 875 3162 or e-mail Standalone eService Delivery support is available Monday through Friday 8:00 a.m. - 5:00 p.m. EST. Messages outside those hours will be returned the next business day.

The Medco Client Website and standalone eService Delivery are business tools for Medco clients and authorized third parties. Members trying to refill or check the status of a prescription, please click here to use the Medco member website.


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