Mr. Herman Oosterwijk, Msc, MBA

Herman Oosterwijk is president of OTech Inc., a healthcare imaging and IT training and consulting company based in the Dallas, TX, metroplex.

Herman has been involved with PACS for more than 35 years, initially as a PACS product manager working for Philips and Kodak, and for the past 25 years as a teacher/consultant.

He has participated in several DICOM, HL7, and Integrating the Healthcare Enterprise (IHE) working groups and has published more than 10 textbooks and study guides on these topics. He is a frequent blogger, has written more than 200 articles, and speaks at international conferences. Herman has taught in more than 20 countries about PACS, DICOM, HL7, IHE, and FHIR.

A complete CV can be found at his website, as well as the latest seminar and training schedule.

Articles by this author
How will PACS evolve over the next decade?
April 22, 2019 -- PACS has evolved over the past 35 years, and the next decade will be no different. The next generation of PACS technology will be driven by trends such as enterprise imaging, workflow, and artificial intelligence, according to this new column by Herman Oosterwijk of OTech.  Discuss
9 ways to reduce your legal exposure to PACS problems
September 4, 2018 -- There's no debate that PACS technology has had a huge (and largely positive) effect on radiology. But legal disputes related to PACS are unfortunately all too common. In a new column, imaging informatics expert Herman Oosterwijk discusses how you can reduce your legal exposure to PACS-related problems.  Discuss
Dealing with medical CDs: Images, reports, or both?
June 20, 2018 -- Years after it was first identified as a problem in radiology, the use of CDs to transport medical images continues to vex imaging facilities. In a new column, informatics expert Herman Oosterwijk of OTech talks about practical solutions to the dilemma.  Discuss
Should you change PACS vendors? 10 reasons to consider
April 16, 2018 -- Given the challenges involved, why would anyone want to switch PACS vendors? In this article, informatics expert Herman Oosterwijk of OTech gives his top 10 reasons based on discussions with PACS professionals and feedback from his PACS administrator students.  Discuss
Enterprise imaging: Threat or opportunity for radiology?
March 6, 2018 -- Enterprise imaging is an opportunity for change, not a threat, and should be embraced by radiologists, according to informatics expert Herman Oosterwijk of OTech. He offers some recommendations for dealing with the advent of enterprise imaging, as well as suggestions for turning it into an opportunity.  Discuss
Image sharing using Facebook: Fact or fiction?
August 15, 2013 -- Healthcare practitioners can share medical images using a number of mechanisms and methods. Some of these applications have been in use for at least 20 years, some are still being developed, and some might not make sense today but could very well change how we share images in the near future.  Discuss
What do I need to know about HL7?
July 25, 2013 -- During the recent Society for Imaging Informatics in Medicine annual conference, there was an overriding message to healthcare imaging and IT professionals that they should learn more about HL7, especially as image-enabling the electronic medical record is becoming a very hot item.  Discuss
Will CDA replace HL7 version 2 messaging?
July 18, 2013 -- CDA, or Clinical Document Architecture, is a new information exchange standard under HL7 that is mandated by the U.S. government's meaningful use program. In this article, radiology informatics expert Herman Oosterwijk of OTech explains CDA and how it differs from previous HL7 standards on messaging.  Discuss
Saudi Arabia makes big strides in healthcare IT
May 13, 2013 -- The recent Saudi Health meeting highlights the major investments the country is making in healthcare IT. But Western IT vendors must do a better job of adapting their software to local needs, according to radiology informatics expert Herman Oosterwijk of OTech.  Discuss
Top 10 things to consider when replacing your PACS
April 24, 2013 -- Many institutions are at a point where they need to replace their PACS. Whether this process is undertaken with a new or current PACS vendor, it's a perfect opportunity to redesign the system's architecture to prepare for the future, according to Herman Oosterwijk of PACS consulting firm OTech.  Discuss