Diplomat, CastiaRx and EnvoyHealth are now part of the Optum family

Diplomat, CastiaRx and EnvoyHealth have joined the Optum family. Together, we will deliver enhanced pharmacy care services, home delivery, specialty and infusion pharmacy services and a better health care experience for the people we serve. You will continue to receive the same excellent service as we bring together these organizations in a way that helps people live healthier lives and helps make the health system work better for everyone. More information about Optum can be found at Optum.com.

Our brands:

Diplomat Specialty

A human approach with next-level results.

Specialty medications require a special kind of pharmacy. Our specialty and infusion pharmacies help patients across the country face complex and often rare conditions.

Looking for our
specialty pharmacy?

Visit diplomatpharmacy.com


Believe in better.

Most benefit solutions were built to address yesterday’s drug trends. CastiaRx was built for the future—focused on managing specialty healthcare across the benefit spectrum.

Solutions tailored for small
and midsize payers.

Visit castiarx.com


Tailored solutions for healthcare innovators.

EnvoyHealth delivers customized services to help bridge the gap between small to midsize manufacturers and their patients. This promotes the development — and success — of innovative therapies and health technologies.

Are you ready to
stand out? Let’s talk.

Visit envoyhealth.is