Provider records sourced from NPPES (CMS National Plan & Provider Enumeration System). Data current as of August 10, 2026.

Marshall Gastroenterology, PA

Organization Gastroenterology Physician · NPI 1629263652

Marshall Gastroenterology, PA provides Gastroenterology Physician services in Marshall, Texas. Licensed in Texas. Registered with an NPI since 2007.

Licensed in
TX
In the registry since
2007
What do these letters mean?
PA — Professional association
A form of business registration, not a clinical qualification.

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Practice location Address checks out

815 S Washington Ave Ste 201
Marshall, TX 75670-5369 Not confirmed with CMS for 18 years — call before visiting
Phone: (903) 927-6680
Fax: (903) 927-6681
Show map & directions

Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence J5017 (TX)

Record details

NPI number1629263652
Entity typeOrganization (Type 2)
Organization subpartNo
Authorized official William Simpson — Physician/Owner · (903) 927-6680
NPI enumeratedSeptember 12, 2007
Last updated in NPPESJanuary 17, 2008
Mailing address815 S Washington Ave, Suite 201, Marshall, TX 75670-5369

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