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

Derek W Guillory, MD

Individual provider Emergency Medicine Physician · NPI 1710972880

Derek W Guillory, MD is an Emergency Medicine Physician in LA Vernia, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2005
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

202 Fm 1346 Ste 2
LA Vernia, TX 78121
Phone: (830) 779-3200
Fax: (830) 779-3211
Show map & directions

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

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence L5751 (TX)

Record details

NPI number1710972880
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorYes
NPI enumeratedSeptember 15, 2005
Last updated in NPPESNovember 28, 2016
Mailing address503 Avenue A, Suite 1118, San Antonio, TX 78215-1264

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