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

Difu Guan, MD

Individual provider Geriatric Medicine (Internal Medicine) Physician · NPI 1831190362

Difu Guan, MD is a Geriatric Medicine (Internal Medicine) Physician in San Antonio, 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

8038 Wurzbach Rd Ste 340
San Antonio, TX 78229-3817
Phone: (210) 614-0500
Fax: (210) 614-4848
Show map & directions

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

Specialties & licences

Geriatric Medicine (Internal Medicine) Physician (primary) Taxonomy 207RG0300X · Licence K8761 (TX)

Record details

NPI number1831190362
Entity typeIndividual (Type 1)
GenderFemale
Credentials MD
Sole proprietorYes
NPI enumeratedAugust 9, 2005
Last updated in NPPESMay 21, 2019

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