Robert Marshall, MD
NPI 1891991881 · Rheumatology Physician · Fort Worth, TX
Enrolled with Medicare as Practitioner - Rheumatology · source: CMS PECOS Public Provider Enrollment (2026.04.01)
Robert Marshall, MD is a Rheumatology Physician provider in Fort Worth, TX (NPI 1891991881).
Provider details
- NPI number
- 1891991881
- Entity type
- Individual
- Primary specialty
- Rheumatology PhysicianAllopathic & Osteopathic Physicians
- Credential
- MD
- Sex
- Male
- Sole proprietor
- No
- License
- D9846 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
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
- 2007-06-26
- Last updated
- 2009-12-17
Frequently asked questions
- What is Robert Marshall's NPI number?
- Robert Marshall's National Provider Identifier (NPI) is 1891991881, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Robert Marshall's specialty?
- Robert Marshall is listed in the NPPES registry with a primary specialty of Rheumatology Physician (Allopathic & Osteopathic Physicians).
- Where is Robert Marshall located?
- Robert Marshall's practice location on file with NPPES is 855 Montgomery St, Fort Worth, TX 76107-2553.
- What is Robert Marshall's phone number?
- The practice phone number listed in the NPPES registry for Robert Marshall is (817) 735-2660.
- Does Robert Marshall accept Medicare?
- Robert Marshall is approved to bill Medicare according to CMS PECOS enrollment data (2026.04.01). Confirm current participation with the provider before scheduling.
- Is Robert Marshall's NPI active?
- Yes — Robert Marshall's NPI (1891991881) is active in the NPPES registry as of the last update on 2009-12-17.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.