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Information Services is the team of technology experts at Marshfield Clinic Health System.


Marshfield Clinic Health System Information Services (MCHS IS) supports the development of emerging technology. We are designed to inspire ideas and innovation that drives effective health care delivery across the continuum of care.

Explore MCHS IS

Client Portal

Access CattailsMD for technical documentation, training materials, model work flow and online technical support with your user ID and password.

Access Client Portal

Contact Us

​1701 N. Fig Avenue, Marshfield, WI 54449

Phone: 844-531-6247

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