Reletter
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You go-to source for FHIR Insights, helpful tips, implementation advice and expert learnings with a dose of fun!

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Artwork for FHIR IQ playbook

Latest Issues

Fear of New Tools

I saw this quote from Linus Torvalds on the Linux Kernel Mailing List today, and it hit me like a ton of bricks. Linus is putting his foot down: AI is a tool, open-source results in better technology, and we make decisions based on merit no...

6 days ago

The Illusion of Interoperability: Why Healthcare is Broken (and How FHIR APIs can Fix It)

Today’s episode of Out of the FHIR brings a massive milestone: I’m thrilled to officially welcome my new co-host, Benji Graham, to the show. Benji is one of the few true, certified FHIR experts in the country, and he’s joining me to ensure...

16 days ago
4

An AI Found a Clinically Dangerous Bug in the Code Another AI Helped Write

A blood glucose of 54 mg/dL should make any clinical system stop and pay attention.

Instead, one version of my code labeled it HIGH.

The bug came down to something deceptively simple: the laboratory result was reported in mg/dL, while the...

18 days ago
4
1

HL7 FHIR DevDays 2026: A Conference Where Everyone's Building Something Not Selling you anything

There’s a particular feeling at HL7 FHIR DevDays that I haven’t found anywhere else in healthcare. Nobody’s working an angle. There’s no booth choreography, no “let’s grab thirty minutes” that’s really a sales call in disguise. Everyone in...

a month ago
6
1

Killing the Clipboard: Building an Autonomous Healthcare Agent in 5 Minutes

We talk a lot about healthcare interoperability, but the actual user experience for the average patient is still broken.

Yesterday afternoon, I had a routine primary care visit for blood work. This morning, the lab results hit my inbox.

I...

a month ago
2

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Authors

The writers behind this newsletter.

  • Gene Vestel

    Data FHIR healthcare and intersection of consumers with technology.

  • Dr. Gigi Magan

    Family physician writing MedTechxHeart from a safety-net exam room. Field notes on AI in primary care, digital health equity, and the inner life of clinicians. For the curious and the hype-tired. Views my own.

  • Benji Graham

    I've been in health IT for around 20 years in various roles. I have been working with FHIR since March 2020 and hold all three FHIR certifications, as well as being an HL7 Certified Educator. Join the FHIR Department on LinkedIn!

  • Scott Rossignol

    I'm a healthcare IT consultant focused on Interoperability.

  • Jason Vogt

    Manager, Development at MEDITECH, product owner of the FHIR API and Structured Documents Interoperability Development Team, championing the vision for APIs and interoperability.

  • David Pyke

    Mr. Pyke is the Technical Director for the FHIR At Scale Taskforce (FAST) FHIR Accelerator. Mr. Pyke also serves as the Technical Author for TEFCA technical documents, playing a pivotal role in shaping the QHIN Technical Framework.

  • Ward Weistra

    Biologist turned Health IT. Product lead for Simplifier.net and program lead for FHIR DevDays at Firely.

  • Arjun Sanyal

    Product at b.well. Organizer of the FHIR Analytics and Agents on FHIR Collaboratives. Central PA native.

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