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

MS. Sierra Gabriella Sullivan, RN

Individual provider Registered Nurse · NPI 1144018771

MS. Sierra Gabriella Sullivan, RN is a Registered Nurse in Dallas, Texas. Practices as a sole proprietor. Licensed in Texas.

Licensed in
TX
In the registry since
2025
What do these letters mean?
RN — Registered Nurse
A licensed nurse who completed a nursing degree and passed the NCLEX-RN examination.

See every abbreviation used in this directory →

Practice location Address checks out

1935 Medical District Dr
Dallas, TX 75235-7701
Phone: (214) 456-7000
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Pin is approximate — placed at the ZIP-code centre, not the exact door.

Specialties & licences

Registered Nurse (primary) Taxonomy 163W00000X · Licence 1008806 (TX)

Record details

NPI number1144018771
Entity typeIndividual (Type 1)
GenderFemale
Credentials RN
Sole proprietorYes
NPI enumeratedApril 25, 2025
Last updated in NPPESApril 25, 2025
Certification dateApril 25, 2025

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