Doctor profile · Federal record

Dr. Laura Johnston, MD

Hematology (Internal Medicine) Physician (CMS: Hematopoietic Cell Transplantation and Cellular Therapy) · Stanford, CA

  • NPI 1649327016
  • Accepts Medicare
  • MIPS 75.5 / 100 · 2023
  • 37 yrs in practice
  • Female
  • Group practice
  • No sanctions

Practice & contact

NPPES Updated May 11, 2026
Primary practice
300 Pasteur Dr
Stanford, CA 943052200
(650) 723-4000

Credentials & registration

NPPES · NUCC
NPI registered
January 2007 — 19 yrs on file
Profile last updated
April 25, 2024
Year of graduation
1989 — 37 yrs since
Specialty taxonomy
207RH0000X — NUCC code
State license (1)
California #G70540

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1649327016. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
296
Distinct HCPCS
2
Medicare allowed
$45,044
HCPCS Description Services Patients Avg allowed
99215 Established patient office or other outpatient visit, 40-54 minutes 154 51 $166
99233 Subsequent hospital care with moderate levelof medical decision making, if using time, at least 50 minutes 142 18 $137

In context: peer comparison

Among 12 peers in Stanford Hematology (Internal Medicine) Physician, average services per provider: 87. This provider delivers 3.4× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
113
Patients
22
Total drug cost
$569,031
Drug Type Claims Patients Total cost
Acyclovir Generic 38 11 $1,441
Jakafi (Ruxolitinib Phosphate) Brand 25 0 $514,542
Sulfamethoxazole-Trimethoprim (Sulfamethoxazole/Trimethoprim) Brand 24 11 $247
Posaconazole Generic 15 0 $52,434
Gabapentin Generic 11 0 $367

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Laura Johnston's medical specialty?
Dr. Laura Johnston practices Hematology (Internal Medicine) Physician in Stanford, CA.
Where does Dr. Laura Johnston practice?
Dr. Laura Johnston practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Laura Johnston's NPI?
Dr. Laura Johnston's National Provider Identifier (NPI) is 1649327016, issued by NPPES.
Does Dr. Laura Johnston accept Medicare assignment?
Yes. Dr. Laura Johnston accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Laura Johnston commonly perform?
Top Medicare-reported procedures in 2023: Established patient office or other outpatient visit (HCPCS 99215); Subsequent hospital care with moderate levelof medical decision making (HCPCS 99233). Source: CMS Medicare Physician & Other Practitioners file.