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

Dr. Brian D Walker, MD

Individual provider Critical Care Medicine (Internal Medicine) Physician · NPI 1700830551

Dr. Brian D Walker, MD is a Critical Care Medicine (Internal Medicine) Physician in Houston, Texas. Licensed in Texas. Registered with an NPI since 2006.

Licensed in
TX
In the registry since
2006
Specialties on file
2
What do these letters mean?
MD — Doctor of Medicine
A physician who completed allopathic medical school.

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Practice location Address checks out

6624 Fannin St Ste 1730
Houston, TX 77030-2312
Phone: (713) 255-4000
Fax: (713) 255-4050
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Pulmonary Disease Physician (primary) Taxonomy 207RP1001X · Licence E3795 (TX)
Critical Care Medicine (Internal Medicine) Physician Taxonomy 207RC0200X · Licence E3795 (TX)

Record details

NPI number1700830551
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedMay 19, 2006
Last updated in NPPESNovember 7, 2007

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