Greg Katz (@gregorykatz) 's Twitter Profile
Greg Katz

@gregorykatz

Dad to Leah and Cora. Cardiologist and Internal Medicine Residency APD @nyugrossman Opinions my own.

ID: 54734521

linkhttps://gregorykatz.substack.com calendar_today08-07-2009 00:21:10

897 Tweet

701 Followers

484 Following

NYU Department of Medicine (@nyulh_deptofmed) 's Twitter Profile Photo

We’re proud to share that the Department of Medicine is home to six top-10 ranked specialties in the U.S., according to U.S. News & World Report 2025-2026 “Best Hospitals” rankings, released today! Congratulations to our faculty, house staff, & staff across the department whose dedication to

We’re proud to share that the Department of Medicine is home to six top-10 ranked specialties in the U.S., according to <a href="/usnews/">U.S. News & World Report</a> 2025-2026 “Best Hospitals” rankings, released today! Congratulations to our faculty, house staff, &amp; staff across the department whose dedication to
Mark B. Pochapin, MD (@markpochapin) 's Twitter Profile Photo

This is really what it is all about- the quality and commitment of the people we work with and the next generation of exceptional leaders we train like Simone Jarrett #ExceptionalCare #Gratitude

Dr. Mike Varshavski (@realdoctormike) 's Twitter Profile Photo

Docs in 2010- “Nutrition & Exercise is important!” *crickets” 2015- “Nutrition & Exercise is important!” *crickets* 2020- “Nutrition & Exercise is important!” *crickets* RFK Jr. in 2025- “Nutrition & Exercise is important” 🌟✨OMG HES A GENIUS & IS BREAKING THE SYSTEM✨🌟

Dr. Spencer Nadolsky (@drnadolsky) 's Twitter Profile Photo

Non medical professionals who give out medical advice should be treated the same as doctors. Malpractice suits when things go badly (which they do often).

Greg Katz (@gregorykatz) 's Twitter Profile Photo

A masterclass in cherry picking evidence and misrepresenting what the data says What about the best study done on this cohort - KETO-CTA - that showed essentially the fastest progression of coronary artery disease ever demonstrated gregorykatz.substack.com/p/how-does-a-l…

Greg Katz (@gregorykatz) 's Twitter Profile Photo

Michelle Obama tried to Make America Healthy Again with Let's Move. Branded messaging, White House garden, food company partnerships... Barely moved the needle. You can't out-message an obesogenic environment. MAHA feels like the same movie: gregorykatz.substack.com/p/the-maha-str…

Greg Katz (@gregorykatz) 's Twitter Profile Photo

These studies are super interesting And I use AI in some way every single day But this is the type of surrogate marker that we would never accept as a standard for a medication to get approved The most straightforward part of medicine is making a diagnosis, the hardest part is

Greg Katz (@gregorykatz) 's Twitter Profile Photo

What does “outperform” mean and is it something that patients actually care about? Maybe But also, it’s really hard to evaluate quality in medicine