MDCalc is the most broadly used clinical reference for healthcare professional (HCP) decision making at the moment of care. As a highly trusted resource for doctors, by doctors, we provide best-in-class tools to support evidence-based decisions and higher quality patient care. 

MDCalc is used each month by millions of HCPs globally, including more than 65% of US physicians weekly. Our original content - written by physician experts and available across multiple devices - supports 50+ specialties and covers 200+ patient conditions. 

MDCalc's founders are two practicing Emergency Medicine physicians: Dr. Graham Walker and Dr. Joe Habboushe. Learn more mdcalc.com/about-us.

Health Care

MDCalc

Joseph Habboushe

Senior Data Engineer

Michael Costello

George Meng

Design Your Own Role

Marketing Lead

Graham Walker

Andrew Elkind

Katherine Davis M.D., Faafp

Swarna Chatterjee

Corey Engesser

Leadership Team

Operations and Business Management

Software Development Team

Teams at MDCalc

Leadership Team

Operations and Business Management

Software Development Team