Carbon Health. What the Hell Went Wrong and What Went Right? [Part 1 of 2]

Former employees are finally coming forward following the bankruptcy of what was once one of the most promising health tech startups.

Apr 9

27

8

2

Interview with Shiv Rao, CEO of Abridge

Inside the Biggest AI Scribe in Healthcare

Apr 8 • Sergei Polevikov

23

6

3

March 2026

🎉 10,000 Subscribers! 🎉

Thank you to all 10,000 of you. Not only for your support, but often for being a source of insights & unique information for my health tech reviews and…

Mar 30 • Sergei Polevikov

23

5

1

Doctronic: The AI Doctor With a Dirty Secret

$65M in VC cash. 24 million "helped." A chatbot that can be tricked into recommending triple-dose OxyContin. And a formulary of auto-refill drugs that…

Mar 24 • Sergei Polevikov

21

3

3

Copilot for Health Flopped. So Microsoft Dropped the "For" and Slapped on HealthEx.

Once again, Microsoft has shown that it doesn’t give a sh*t about healthcare. In a desperate attempt to catch up with OpenAI and Anthropic, Microsoft…

Mar 12 • Sergei Polevikov

28

10

4

The Many Faces of Commure

Hemant Taneja’s most precious baby, throwing tantrums and drowning in toys it never deserved.

Mar 9

21

1

The Cough That Broke 12 LLMs

After 5 months, the same medical vignette is back, and 12 out of 13 LLMs we tested still can't solve it. So why are we calling this a success? You have…

Mar 3 • Peter Farag and Sergei Polevikov

30

14

5

February 2026

Today Is Doximity’s Worst Stock Market Day. By a Wide Margin.

Are OpenEvidence and other competitors punching their way in?

Feb 6 • Sergei Polevikov

9

2

1

Hippocratic Oath in an Age of AI

Written by a seasoned, board-certified clinician and an experienced healthcare AI expert.

Feb 5 • Sergei Polevikov and Eduardo Vadia, MD

28

11

6

AI Scribes Only Help If You’re Bad at Clinical Documenting

New UCSF study pours cold water on the AI scribe hype

Feb 2 • Sergei Polevikov

22

2

2

Why Does My Substack Suck?

Please share. Be honest.

Feb 1 • Sergei Polevikov

14

21

1

January 2026

Same Theranos Fraud. A Decade Later.

Texas "revolutionary" cancer blood-testing company run by an ex-VC bro who likes to party hard at strip clubs and (allegedly) spend company money at an…

Jan 29 • Sergei Polevikov

19

1

2