Thehealthcareblog iconThehealthcareblogSep 25, 2026 ~8 min source read

HealthEx demo with Claude: a practical look at how one startup lets people move their health records

A firsthand demo and interview with HealthEx’s CEO explains how the company connects individual health records to consumer LLMs and why the team focuses on putting the patient’s copy of their data where it’s needed.

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Useful takeaways from this story.

Founding experience and federal policy shifts (TEFCA, CMS Align) shaped HealthEx’s focus on the individual as the intermediary between systems.

Technical and operational friction remain: medical images and cross-system transfers still create notable challenges despite easier text-data movement.

The useful part

– The Health Care Blog THCB Categories Jessica DaMassa Matthew Holt THCB Spotlights WTF Health Tweets by THCBstaff Health Tech HealthEx — The Demo with Claude & the CEO Speaks! I did the demo with Ruheed Mohamed, the head of technical services, and then I interviewed CEO Priyanka Agarwal, MD. This is a bit of an adjunct to the, work I've been doing trying to figure out how the new, big LLMs like, Anthropic's Claude and OpenAI's ChatGPT are now working their health angle and getting health records.

How it works

  • I'm really excited about the year that we've had, the work that we're doing, and the folks that we're live with.
  • How did you get involved with, Anthropic, and what was the… How did, how did that come to… I mean, why, why did they choose you?
  • I also, spent time in the life sciences trying to do research and, support patients with complex rare diseases and trying to do things like developing a patient registry to understand how folks are doing.
  • I think all of that work has been really important but,, I really kind of experienced that that missing link of the patient or the individual really, wasn't there.
  • I think the timing was good because if you look at some of the work that's happened with patient access across TEFCA, across the CMS Align networks, I think there's been- A lot of support at the federal...

What to take from it

I wrote a piece about this in 2009 called Cats and Dogs, because cats like places and dogs like people, and we're in a cat world for our health IT. To be honest, it kind of went a little under the radar because, Open AI announced something similar with B.Well. Priyanka is a, UCSF trained MD who is the CEO of HealthEx, which does what exactly, Priyanka?

Example or evidence

  • Matthew Holt: I know you've been at UCSF a while, but you've a relatively new company.
  • There are a lot of companies that have been doing this kind of thing, right?
  • In fact, people have been doing personal health records since God knows when.
  • I was in a personal health records company in 2000, so it's – not a new idea.

Details worth keeping

HealthEx — The Demo with Claude & the CEO Speaks! This shows how Healthex gets data and incorporates it into Claude, and where Priyanka thinks the business is going, and why she wants to change the way consumers get health care data.– Matthew Holt Transcript of Interview with Priayanka Aggarwall MD (2nd half of video. I'm very lucky to have with me Priyanka Agarwal.

Related coverage

  • Inc: Anthropic's latest Claude update is designed to help scrappy engineering teams ship products faster.
  • Zonkafeedback: A product lead is mid-conversation with Claude, working through a churn problem.
  • Medcitynews: Debunked Podcast co-hosts Arundhati Parmar and Samir Batra discussed the merits of the CMS ACCESS Model (Advancing Chronic Care with Effective, Scalable Solutions) and how it can offer a path to advance...

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