Doctor profile · Federal record

Dr. Sarah Hallmark

Nurse Practitioner · Austin, TX

  • NPI 1720811920
  • 2 yrs on file
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
1500 Red River St
Austin, TX 787011918
(512) 324-7000
Mailing address
8001 Mellencamp Dr
Austin, TX 787442099

Credentials & registration

NPPES · NUCC
NPI registered
August 2024 — 2 yrs on file
Specialty taxonomy
363L00000X — NUCC code
State license (1)
Texas #1167631

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1720811920. Last verified May 11, 2026.

Open Payments

Industry payments received

CMS Open Payments
All-time total
$22
Transactions
1
Manufacturers
1
Payer (manufacturer) Industry Txns Amount
Otsuka America Pharmaceutical, INC. 1 $22.25

By nature of payment

Food and Beverage
$22

Frequently asked questions

Auto-generated from federal data
What is Dr. Sarah Hallmark's medical specialty?
Dr. Sarah Hallmark practices Nurse Practitioner in Austin, TX.
Where does Dr. Sarah Hallmark practice?
Dr. Sarah Hallmark practices at 1500 Red River St, Austin, TX 787011918. Office phone: 5123247000.
What is Dr. Sarah Hallmark's NPI?
Dr. Sarah Hallmark's National Provider Identifier (NPI) is 1720811920, issued by NPPES.

Methodology · sources used on this page

All figures on this page come from publicly available federal datasets. We do not edit, score, or summarise the underlying data. Profile generated Jul 20, 2026.

NPPES Provider identifiers and practice info May 11, 2026
Open Payments Industry payments to providers (Sunshine Act) May 11, 2026
Medicare Procedure Utilization Services and allowed amounts by HCPCS May 11, 2026
Medicare Part D Prescription drug claims May 11, 2026
CMS MIPS Quality performance scores May 11, 2026
OIG LEIE Federal exclusion / sanctions list May 11, 2026

Information based on publicly available federal data. Not medical advice. Report incorrect data ›