Gregory L. Shannon, MD

Internal medicine physician in Sugar Land, Texas · NPI 1730148495

Gregory Shannon is one of 212 internal medicine physicians practicing in Sugar Land, Texas. Gregory Shannon practices with Gastroenterology Associates Of Texas PA and Houston Regional Gastroenterology Institute PLLC.

Registry record (NPPES)

NPI
1730148495
Type
Type 1 · Individual
Primary taxonomy
Internal Medicine, Gastroenterology · 207RG0100X
Address on file
17510 W Grand Pkwy S
Sugar Land, TX 77479-2645
(281) 201-1338
Enumerated
Mar 21, 2006
Record last updated
Sep 26, 2023
License states listed
IL, NC, TX

Medicare (CMS)

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

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Practice locations

More internal medicine physicians in Sugar Land

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.