meet our team

Get to Know Us

Pat DiOrio, President

After having early success at Codman, Alaris, Nellcor and Advanced Cardiovascular Systems, Pat founded Integrated Medical Systems, Inc. (IMS) in 1994.  Starting with only one location in the Chicagoland area, over the last 25 years the company has expanded to become a nationwide alternate site distributor with 11 full service distribution and biomedical service centers.  With a focus dedicated to providing high quality IV infusion and respiratory equipment and supplies in a timely and cost-effective manner, Pat continues to align IMS to the motto that our customers bestowed onto us: "Small Enough to Care, Big Enough to Deliver"

Laura Sexton, Vice President of Operations

Laura has worked at IMS since 1994 and has played an integral role in every aspect of IMS’ business including Customer Service, Vendor Contracting, Order Fulfillment, and overall expansion of our company.  When Laura started at IMS, she was responsible for the operations in only one Midwest location. As Vice President of Operations, Laura has contributed to the growth of the company to 11 locations nationwide, servicing over 5,200 healthcare facilities and ensuring that over 500,000 medical products are delivered annually to our customers in a timely manner.

Tim McNamara, Vice President of Sales & Marketing

Tim is a seasoned veteran of the healthcare industry with over three decades of experience in the medical field. Tim started his healthcare career with the Clinipad Corporation as a Sales Representative and later held multiple management positions. From there, Tim went to work for Medical Speciality Distributors (MSD, now part of McKesson) where he spend 16 years successfully leading complex business development and account management teams, focused on growing regional and national sales along with enhancing the Oncology Total Enterprise Solution platform. At IMS, Tim leads the Sales & Marketing teams and also continues to work with key and  national accounts to ensure that IMS products are appropriately aligned with evolving business needs. Tim is well known for building strategic partnerships and developing innovative solutions to support customers' business goals. Tim is a graduate of Villanova University.

Bo Lanier, Vice President of Business Development

Brian Lewin, Director of Sales - Western Region

Brian joined IMS in 2016 and is a Director within the organization. Current responsibilities include management of the western team of territory representatives, as well as management of the Respiratory Division and manufacturer relationships of that business segment. Prior to joining IMS, he held various sales management positions within Smiths Medical (Currently ICU Medical) overseeing territory managers in the hospital, alternate site, and home infusion markets. Brian holds a B.S. in Business Economics from the Eller College of Management at the University of Arizona.

Brian Coleman,  Director of Sales - Northern Region

Jake Coulter, Director of Sales - Southern Region

Jake joined IMS in 2017, starting as a Territory Manager and National Account Manager. With his extensive background in Infusion and Respiratory, he now oversees a team of Territory Managers in the Southern region while still managing a handful of key and national accounts.  Prior to joining IMS, he previously held a sales position with Smiths Medical/ICU Medial responsible for a territory spanning the southern states. Jake graduated from the University of North Texas.

Alexandra Vinci, Director of Vendor Contracting

Alexandra has been with IMS since 2009, starting as a Customer Service Representative. Throughout the years, Alexandra has contributed to the development of several internal departments. Her experience has led her into her current role as manager of the Billing, Customer Service & Purchasing departments. Alexandra is committed to continually provide a high level of service to enhance the overall IMS experience for our customers, manufacturing partners and employees. 

Michael Viana, IT & Biomedical Operations Director

Michael joined IMS in 1995 and serves as the IT and Biomedical Operations Director.  In this role, Michael is responsible for the company’s technology initiatives including software, infrastructure, application development tools and processes, operations, and cybersecurity. He also guides the overall direction for the company’s healthcare technology products and data and analytics. Additionally, he oversees all aspects of Biomedical Operations and Services, including rentals, biomedical service and repair of infusion, enteral and respiratory equipment within our 11 service centers and in the field across the US. 

IMS Distribution Facilities
& Biomedical Service Centers

Click on your state to find your sales rep.

Small Enough

to Care,

Big Enough to


With extensive clinical knowledge and a comprehensive line of products, IMS strives to provide excellent service and cost-effective solutions to our customer base.