Marshall Gastroenterology, P.A.
NPI 1629263652 · Gastroenterology Physician · Marshall, TX
Marshall Gastroenterology, P.A. is a Gastroenterology Physician organization in Marshall, TX (NPI 1629263652).
Provider details
- NPI number
- 1629263652
- Entity type
- Organization
- Primary specialty
- Gastroenterology PhysicianAllopathic & Osteopathic Physicians
- Organization subpart
- No
- Authorized official
- William Simpson, Physician/Owner(903) 927-6680
- License
- J5017 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
18 yrs in NPPES registry
- Profile completeness38% of score
100% of core fields populated
- Practice footprint23% of score
1 documented practice location
Signals a provider has no public data for (e.g. Medicare claims) are left out of the score entirely — never counted as zero — so providers without that data are not penalized. See the full formula and weights in our methodology.
Practice location
Mailing address
Registry dates
- Enumerated
- 2007-09-12
- Last updated
- 2008-01-17
Frequently asked questions
- What is Marshall Gastroenterology, P.A.'s NPI number?
- Marshall Gastroenterology, P.A.'s National Provider Identifier (NPI) is 1629263652, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What type of organization is Marshall Gastroenterology, P.A.?
- Marshall Gastroenterology, P.A. is classified in the NPPES registry as Gastroenterology Physician (Allopathic & Osteopathic Physicians).
- Where is Marshall Gastroenterology, P.A. located?
- Marshall Gastroenterology, P.A.'s practice location on file with NPPES is 815 S Washington Ave, Marshall, TX 75670-5369.
- What is Marshall Gastroenterology, P.A.'s phone number?
- The practice phone number listed in the NPPES registry for Marshall Gastroenterology, P.A. is (903) 927-6680.
- Who is the authorized official for Marshall Gastroenterology, P.A.?
- The authorized official listed on Marshall Gastroenterology, P.A.'s NPPES record is William Simpson, Physician/Owner. The authorized official registers and maintains the organization's NPI and is not necessarily its owner.
- Is Marshall Gastroenterology, P.A.'s NPI active?
- Yes — Marshall Gastroenterology, P.A.'s NPI (1629263652) is active in the NPPES registry as of the last update on 2008-01-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.