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

Katherine Lee Oneil, DO

Individual provider Emergency Medicine Physician · NPI 1477133114

Katherine Lee Oneil, DO is an Emergency Medicine Physician in Southlake, Texas. Licensed in Texas. Registered with an NPI since 2021.

Licensed in
TX
In the registry since
2021
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

421 E State Highway 114 # 100
Southlake, TX 76092-3635
Phone: (682) 335-2000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Emergency Medicine Physician (primary) Taxonomy 207P00000X · Licence W4916 (TX)

Record details

NPI number1477133114
Entity typeIndividual (Type 1)
GenderFemale
Credentials DO
Sole proprietorNo
NPI enumeratedApril 8, 2021
Last updated in NPPESMay 3, 2026
Certification dateMay 3, 2026
Mailing address6113 Legacy Trl, Colleyville, TX 76034-1328

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