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

Sylvia Emma Keiser, DO

Individual provider Internal Medicine Physician · NPI 1366063463

Sylvia Emma Keiser, DO is a Gastroenterology in San Antonio, Texas. Qualified in 2020, 6 years ago. Licensed in Texas.

Years since qualifying
6
Licensed in
TX
In the registry since
2020
Specialties on file
2
What do these letters mean?
DO — Doctor of Osteopathic Medicine
A fully licensed physician, trained like an MD with additional musculoskeletal training. Equivalent practice rights in all 50 states.

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Practice location Address checks out

8435 Wurzbach Rd
San Antonio, TX 78229-3921
Phone: (210) 450-9800
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Gastroenterology Physician (primary) Taxonomy 207RG0100X · Licence W6278 (TX)
Internal Medicine Physician Taxonomy 207R00000X · Licence W6278 (TX)

Record details

NPI number1366063463
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 29, 2020
Last updated in NPPESJune 24, 2026
Certification dateJune 24, 2026

Medicare enrollment

From the CMS Doctors & Clinicians file — this clinician is enrolled in Medicare.

Medicare specialtyGASTROENTEROLOGY
Also practisesINTERNAL MEDICINE
Medical schoolOTHER
Graduated 2020 (6 years in practice)
Accepts Medicare assignment Not indicated
Practice locations2 on file with Medicare

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