Shannon Marek, MD

Gastroenterologist in San Marcos, Texas · NPI 1528282050

Shannon Marek is one of 8 gastroenterologists practicing in San Marcos, Texas. Shannon Marek practices with Texas Digestive Disease Consultants, PLLC.

Registry record (NPPES)

NPI: 1528282050
Type: Type 1 · Individual
Primary taxonomy: Internal Medicine, Gastroenterology · 207RG0100X
Address on file: 1305 Wonder World Dr
San Marcos, TX 78666-7546
(512) 754-8676
Enumerated: Apr 13, 2007
Record last updated: Feb 20, 2013
License states listed: AL, GA

Medicare (CMS)

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

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Part D prescribing
Procedure volumes by CPT code
Group affiliations and colleagues
Full enrollment history

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Practice locations

1305 Wonder World Dr Suite 200
San Marcos, TX 78666
(512) 754-8476
P O Box Suite 35629
Dallas, TX 75235
PO Box Suite 35629
Dallas, TX 75235
5425 W Spring Creek Pkwy Suite 205
Plano, TX 75024
(972) 526-5860

More gastroenterologists in San Marcos

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.