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Just some updates on what we are working on here at Welby

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MARKUS matters not because it’s intelligent, but because it reshaped how our internal teams make decisions, where human judgment stays essential, and where work quietly disappears instead of accumulating.We market it. We demo it. We’re proud of it. Not because anyone else can use it, but because it proves what’s possible when AI is built to serve real operations, not abstract users.
January 8, 2026

The Things I Got Wrong Building an Internal AI OS in 2025

MARKUS matters not because it’s intelligent, but because it reshaped how our internal teams make decisions, where human judgment stays essential, and where work quietly disappears instead of accumulating.We market it. We demo it. We’re proud of it. Not because anyone else can use it, but because it proves what’s possible when AI is built to serve real operations, not abstract users.
Rey Columna
January 9, 2026
5 min read
If you run a primary care group, an ACO, or a Medicare Advantage plan, you’ve felt the tension: chronic disease is eating your day alive, but the “visit-based” system still rewards you for the moment, not the month.The 2026 Medicare Physician Fee Schedule (PFS) changes don’t magically fix that. But they do something important: they reinforce that CMS is not treating remote care like a side quest.
January 7, 2026

Medicare’s 2026 fee schedule just got louder about remote care, and it’s basically a green light for the Welby model

If you run a primary care group, an ACO, or a Medicare Advantage plan, you’ve felt the tension: chronic disease is eating your day alive, but the “visit-based” system still rewards you for the moment, not the month.The 2026 Medicare Physician Fee Schedule (PFS) changes don’t magically fix that. But they do something important: they reinforce that CMS is not treating remote care like a side quest.
Seth Merritt
January 7, 2026
5 min read
I'm the CTO at Welby Health, where we build technology for Remote Patient Monitoring and Chronic Care Management. Over the past year, we've built Markus, an internal AI assistant that helps our nurses and clinical staff with everything from patient lookups to workflow automation. Markus connects to our EHR, BigQuery, Looker, HubSpot, and a dozen other systems via MCP servers.
January 7, 2026

Why I'm Building a Browser Extension to Make AI Agents Actually Reliable

I'm the CTO at Welby Health, where we build technology for Remote Patient Monitoring and Chronic Care Management. Over the past year, we've built Markus, an internal AI assistant that helps our nurses and clinical staff with everything from patient lookups to workflow automation. Markus connects to our EHR, BigQuery, Looker, HubSpot, and a dozen other systems via MCP servers.
Rey Columna
January 4, 2026
5 min read

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