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

Sean O'Neil, MD

Individual provider Hospitalist Physician · NPI 1588985246

Sean O'Neil, MD is a Hospitalist Physician in San Antonio, Texas. Works from 3 locations. Licensed in Texas.

Licensed in
TX
In the registry since
2010
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

903 W Martin St
San Antonio, TX 78207-0903
Phone: (210) 358-3555
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Additional practice locations (2)

  • 281 E Hartford Ave, Uxbridge, MA 01569-1278 — (508) 278-5573
  • 4502 Medical Dr, San Antonio, TX 78229 — (210) 358-4000

Specialties & licences

Infectious Disease Physician (primary) Taxonomy 207RI0200X · Licence R3569 (TX)
Hospitalist Physician Taxonomy 208M00000X · Licence R3569 (TX)

Record details

NPI number1588985246
Entity typeIndividual (Type 1)
GenderMale
Credentials MD
Sole proprietorNo
NPI enumeratedJune 17, 2010
Last updated in NPPESSeptember 3, 2024
Certification dateSeptember 3, 2024

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