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Douglas Marshall, M.D.
NPI 1437191574 · Neurology Physician · San Antonio, TX
Douglas Marshall, M.D. is a Neurology Physician provider in San Antonio, TX (NPI 1437191574).
Provider details
- NPI number
- 1437191574
- Entity type
- Individual
- Primary specialty
- Neurology PhysicianAllopathic & Osteopathic Physicians
- Credential
- M.D.
- Sex
- Male
- Sole proprietor
- No
- License
- G6209 (TX)
Specialties & taxonomies
Allopathic & Osteopathic Physicians
Profile Score
Detailed profile(91/100 index)
A profile completeness & documented-activity index — NOT a quality, outcomes, or patient-satisfaction rating.
- Registry tenure38% of score
20 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
400 Concord Plaza Dr
300
San Antonio, TX 78216-6905
Phone: (210) 804-5480
Fax: (210) 804-5419
Street-level locationGet directions
Mailing address
400 Concord Plaza Dr
San Antonio, TX 78216-6905
Registry dates
- Enumerated
- 2006-06-12
- Last updated
- 2007-10-23
Frequently asked questions
- What is Douglas Marshall's NPI number?
- Douglas Marshall's National Provider Identifier (NPI) is 1437191574, a unique 10-digit ID issued by CMS for use in standard healthcare transactions.
- What is Douglas Marshall's specialty?
- Douglas Marshall is listed in the NPPES registry with a primary specialty of Neurology Physician (Allopathic & Osteopathic Physicians).
- Where is Douglas Marshall located?
- Douglas Marshall's practice location on file with NPPES is 400 Concord Plaza Dr, San Antonio, TX 78216-6905.
- What is Douglas Marshall's phone number?
- The practice phone number listed in the NPPES registry for Douglas Marshall is (210) 804-5480.
- Is Douglas Marshall's NPI active?
- Yes — Douglas Marshall's NPI (1437191574) is active in the NPPES registry as of the last update on 2007-10-23.
Source: CMS NPPES Data Dissemination (June 2026). NPI Central is not affiliated with CMS. Data is provided as-is from the public registry.