Doctor profile · Federal record

Dr. Hallie Brown, MD

Critical Care Medicine (Internal Medicine) Physician (CMS: Critical Care (Intensivists)) · Emergency Medicine Physician · Stanford, CA

  • NPI 1447742812
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 8 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

Operates at 2 locations .

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000
Additional location
1701 N Senate Blvd Rm Ag012
Indianapolis, IN 462021239
(317) 962-5975

Credentials & registration

NPPES · NUCC
NPI registered
June 2018 — 8 yrs on file
Profile last updated
March 14, 2024
Year of graduation
2018 — 8 yrs since
Specialty taxonomy
207RC0200X — NUCC code
State license (1)
California #A174029

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1447742812. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
57
Distinct HCPCS
2
Medicare allowed
$12,597
HCPCS Description Services Patients Avg allowed
99291 Critical care, first 30-74 minutes 40 32 $234
99285 Emergency department visit with high level of medical decision making 17 17 $189

In context: peer comparison

Among 11 peers in Stanford Critical Care Medicine (Internal Medicine) Physician, average services per provider: 61. This provider delivers 0.9× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Hallie Brown's medical specialty?
Dr. Hallie Brown practices Critical Care Medicine (Internal Medicine) Physician in Stanford, CA.
Where does Dr. Hallie Brown practice?
Dr. Hallie Brown practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Hallie Brown's NPI?
Dr. Hallie Brown's National Provider Identifier (NPI) is 1447742812, issued by NPPES.
Does Dr. Hallie Brown accept Medicare assignment?
Yes. Dr. Hallie Brown accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Hallie Brown commonly perform?
Top Medicare-reported procedures in 2023: Critical care (HCPCS 99291); Emergency department visit with high level of medical decision making (HCPCS 99285). Source: CMS Medicare Physician & Other Practitioners file.