By: Sampath Kumar  Jun. 15, 2022

Dexur’s analysis of Medicare claims volumes shows that Dr. Marc Shalek, Dr. Samuel Woolbert, & Dr. David Prewitt are the top three Physicians for Atrial Fibrillation (A-fib) in the county of Dallas, Texas based on patient volume. Research has shown that case volume is positively correlated with better outcomes. Dexur is an approved purchaser of CMS claims data which it uses to produce data-driven rankings and research. Dexur's data is trusted by healthcare leaders, media and top academic institutions such as Harvard, with which it has published several academic papers.

Dexur's ranking is formulated based on an analysis of patient volume for each physician for A-fib in the county of Dallas, Texas. Physicians with more than 11 hospitalizations between Jan 2021 to Dec 2021 were considered for the study. The table below shows the top ranking physicians in Dallas and their unique patient count data:

Physician	Unique Patient Count	Dallas County Rank
Marc Shalek	551	1
Samuel Woolbert	543	2
David Prewitt	520	3
Thomas P Beveridge
Mubashar H Khan
Sarah Samaan
Brian D Le
Matthew Ryan Evans
David Rawitscher
Marcus Mckenzie

Dr. Marc Shalek is a Cardiologist from Plano, Texas, affiliated with Baylor Scott & White HealthTexas Provider Network. Dr. Shalek received his medical degree from New York Medical College in 1986 and has been in practice for more than 20 years. He is certified in Internal Medicine and Cardiovascular Disease by the American Board of Internal Med/Cardiovascular Disease. Dr. Shalek provided treatment to 551 unique patients, highest for any Physician for A-fib in Dallas, making him the top ranked Physician in Dexur’s Ranking.

Dr. Samuel Woolbert is a Cardiologist affiliated with Baylor Scott & White HealthTexas Provider Network. He received his medical degree from LSU School of Medicine in Baton Rouge and has been in practice for more than 20 years. Dr. Woolbert provided treatment to 543 unique patients, second highest among Physicians for A-fib in Dallas, making him the second ranked Physician in Dexur’s Ranking.

Dr. David Prewitt, MD, FACC is a board-certified cardiovascular specialist practicing in Plano, Texas. He is affiliated with Baylor Scott & White HealthTexas Provider Network. Dr Prewitt received his medical degree from the University of Texas Medical School at Houston in 1988 and has been practicing for more than 34 years. Dr. Prewitt provided treatment to 520 unique patients, third highest among A-fib Physicians in Dallas County, making him the third ranked Physician in Dexur’s Ranking.

Dexur provides National, State, and County-wise reports based on various ranking cohorts. Dexur’s ranking reports are used by Physicians, Hospitals, Life Sciences companies and other Healthcare organizations to analyze their performance and generate customized reports. Please reach out to us at dexur@gridlex.com for a complete ranking report.