Our story

Our Story: Built to Deliver, Driven to Lead

From a station wagon to a nationwide fleet. In 1979, Shared Medical Services started with one idea: bring imaging to facilities that couldn’t build it themselves. Today that idea runs nationwide, with mobile CT, MRI, PET/CT, and Cardiac PET/CT for hospitals, clinics, and health systems, and no capital-intensive build required.

Aerial view of the Shared Medical Services office surrounded by autumn trees.

Since 1979

How Shared Medical Services got here

A vision on the road

1979

Where it all began

In 1979, Joe Arington was managing multiple healthcare service companies when he saw an opportunity: bring diagnostic imaging to facilities that couldn’t afford it. While traveling between hospitals across Minnesota, South Dakota, and Wisconsin, he built Shared Medical Services out of the back of his station wagon. His idea introduced a shared services model that offered healthcare providers flexibility, cost savings, and access to the latest imaging technology.

As word spread, so did the company’s reach. By 1984, the business had expanded throughout the Midwest, with mobile CT units covering routes up to 900 miles one way. To support growing demand, Shared Medical Services established its headquarters in Madison, Wisconsin, bringing on a dedicated team of Technologists and administrative staff to manage its expanding fleet and operations.

Expanding access, mile by mile

1984

Growth that changed healthcare

Shared Medical Services’ early success was just the beginning. As more providers sought flexible imaging options, the company scaled rapidly. In fact, its ability to serve both rural and urban providers led to long-standing partnerships across the region. With each new route, Shared Medical Services helped healthcare systems deliver diagnostic excellence to more patients, without infrastructure delays or capital investment.

Leading the way in imaging innovation

1987

Pioneering mobile MRI and beyond

Recognizing the growing need for MRI, Shared Medical Services launched one of the first mobile MRI programs in 1987, and mobile MRI has been part of who we are ever since. As technology evolved, with CT slice counts increasing and MRI moving to high-field systems, Shared Medical Services remained at the forefront, so providers always had access to current imaging without disruption.

Owned by employees, driven by purpose

2012

A legacy of leadership and employee ownership

What began as one man’s vision has grown into a nationwide company with 600+ employees. In 2012, the Arington family transitioned Shared Medical Services into an Employee Stock Ownership Plan (ESOP), turning every employee into a stakeholder in the company’s future. This move strengthened Shared Medical Services’ culture of purpose, collaboration, and long-term commitment to quality care.

The future of mobile imaging

Today

Committed to innovation and growth

Today, Shared Medical Services remains committed to advancing diagnostic imaging through innovation, service, and expertise. We continue to deliver mobile CT, MRI, PET/CT, and Cardiac PET/CT solutions to healthcare providers nationwide. As demand grows and technology evolves, we’re investing in our people, expanding our fleet, and refining our solutions, all to help our partners deliver better care, wherever it’s needed.

Since 1980

45 years of mobile imaging milestones

From our first mobile CT unit in 1981 to the first mobile digital PET/CT in the USA, Shared Medical Services has brought each new generation of imaging to facilities on the road. Milestones marked Industry first were the first of their kind in mobile imaging. Explore the milestones by modality.

Explore milestones by modality.

1980

Nuclear medicine (NM) and ultrasound (US)

1981

Computed tomography (CT)

1987

Magnetic resonance imaging (MRI)

2001

Positron emission tomography (PET)

2003

Positron emission tomography/computed tomography (PET/CT)

2010

Full-field digital mammography (FFDM)

2014

First mobile GE Discovery™ IQ PET/CT in the USA

Industry first

2016

First mobile GE SIGNA™ Voyager wide bore MRI in the USA

Industry first

2017

3D mobile mammography

2018

First mobile Siemens Healthineers MAGNETOM Aera wide bore MRI in the USA

Industry first

2019

First mobile digital PET/CT in the USA

Industry first

2022

First mobile GE SIGNA™ Voyager wide bore MRI with Xpress table

Industry first

2022

First mobile Siemens Healthineers Biograph Vision PET/CT in the USA

Industry first

2024

First mobile Philips MR 5300 in the USA

Industry first

2024

Digital GE Omni Legend PET/CT added to the SMS fleet

2025

Cardiac PET/CT

2026

First mobile Cardiac PET/CT in Illinois, Wisconsin, and Minnesota

We don’t just deliver imaging.
We deliver expertise.

With decades of experience, we bring deep operational knowledge and support to every install, from site planning to go-live and beyond.