John K Tsai, MD

Gastroenterologist in Austin, Texas · NPI 1437321791

John Tsai is one of 59 gastroenterologists practicing in Austin, Texas. John Tsai practices with Austin Gastroenterology PLLC.

Registry record (NPPES)

NPI
1437321791
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine, Gastroenterology · 207RG0100X
Address on file
4310 James Casey St
Austin, TX 78745-1251
(512) 448-4588
Enumerated
Mar 27, 2008
Record last updated
Feb 28, 2017
License states listed
AZ, TX

Medicare (CMS)

Enrollment
Medicare-enrolled in TX
Gastroenterology
Revalidation due
No date set by CMS

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Practice locations

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Updated August 2026. Practice locations and specialty come from the CMS Doctors and Clinicians file, the registry record from NPPES, and enrollment from CMS Medicare enrollment files. NPI records are corrected at the source, through NPPES.