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27 Top Cardiologists, Picked By Big Data

This article is more than 6 years old.

What's below is the result of a challenge: can a company that helps patients find the right doctor identify the best physicians over all, or at least come close? (You can also go here for a list of top breast oncologists.)

Last year, I wrote a magazine profile of a company called Grand Rounds, which aims to meticulously comb through data on physicians – everything from what they prescribe to the wait times in their parking lots — to help pick the right doctor for the right patient. The company’s founder, Owen Tripp, even used the service himself when a type of tumor was found in his ear. “It's not that there aren't good doctors, and it's certainly not that there aren't enough of them,” Tripp said last week at the Forbes Healthcare Summit. The problem is measurement.

OK, smart guy, I said. If you can tell which doctors are better, give me a list of the best. Grand Rounds uses a computer model based on publicly available and proprietary data, including administrative claims data from insurers, practice affiliations, board certifications, disciplinary actions, and academic publications. These data don’t tell how a doctor’s patients do, but they do allow the company to look at how doctors were trained, who they work with, what they prescribe, and procedures they perform. For instance, in breast cancer oncology, better physicians are more likely to perform genomic tests. In contrast, in cardiology, ordering more tests is a sign of lower physician quality. The lists we’re publishing today, in breast cancer oncology and cardiology, are the result of using a machine learning algorithm on many such measures.

There are limitations to this analysis. Grand Rounds says it misses excellent doctors who belong on it. Efforts to find outside experts who could vet Grand Rounds’ algorithms were unsuccessful. Like many efforts in machine learning or artificial intelligence, the results emerge from a black box that’s hard for outsiders to evaluate. And Grand Rounds is a private company, with the skepticism it entails. But this list, and the other, are at the least thought-provoking. And I can confirm, based on years of reporting, that many of the physicians included are indeed the best in their fields.

Honor Roll

Antonio Abbate Virginia Commonwealth University
Theodore Abraham UCSF
Ezra Amsterdam UC Davis
Richard Becker University of Cincinnati
Roger Blumenthal Johns Hopkins
Wendy Book Emory University
Barry Borlaug Mayo Clinic
Mario Deng UCLA
Stavros Drakos University of Utah
Howard Eisen Drexel University
Michael Fowler Stanford Medicine
Valentin Fuster Mount Sinai
Ray Hershberger The Ohio State University
James Kirkpatrick UW Medical Center
Itzhak Kronzon Northwell Health
Amir Lerman Mayo Clinic
Stephen Little Houston Methodist
Donald Lloyd-Jones Northwestern
Douglas Mann Washington University in St. Louis
Mathew Maurer New York-Presbyterian
Jawahar Mehta University of Arkansas
Steven Nissen Cleveland Clinic
Eric Peterson Duke Clinical Research Institute
Douglas Sawyer Maine Medical Center
Randall Starling Cleveland Clinic
Heinrich Taegtmeyer University of Texas
David Taylor Cleveland Clinic

Sarah Hedgecock and Ellie Kincaid contributed to this story.