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

Dr. Douglas Warren Marshall, MD

Individual provider Neurology Physician · NPI 1437191574

Dr. Douglas Warren Marshall, MD is a Neurology Physician in San Antonio, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

See every abbreviation used in this directory →

Practice location Address checks out

400 Concord Plaza Dr 300
San Antonio, TX 78216-6905
Phone: (210) 804-5480
Fax: (210) 804-5419
Show map & directions

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

Specialties & licences

Neurology Physician (primary) Taxonomy 2084N0400X · Licence G6209 (TX)

Record details

NPI number1437191574
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 12, 2006
Last updated in NPPESOctober 23, 2007

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