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

Sarah Hallmark

Individual provider Nurse Practitioner · NPI 1720811920

Sarah Hallmark is a Nurse Practitioner in Austin, Texas. Licensed in Texas. Registered with an NPI since 2024.

Licensed in
TX
In the registry since
2024

Practice location Address checks out

1500 Red River St
Austin, TX 78701-1918
Phone: (512) 324-7000
Show map & directions

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

Specialties & licences

Nurse Practitioner (primary) Taxonomy 363L00000X · Licence 1167631 (TX)

Record details

NPI number1720811920
Entity typeIndividual (Type 1)
GenderFemale
Sole proprietorNo
NPI enumeratedAugust 22, 2024
Last updated in NPPESAugust 22, 2024
Certification dateAugust 22, 2024
Mailing address8001 Mellencamp Dr, Austin, TX 78744-2099

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