Doctor profile · Federal record

Dr. Kim-Son Nguyen

Medical Oncology Physician (CMS: Hematology/Oncology) · Internal Medicine Physician · Stanford, CA

  • NPI 1831357029
  • Accepts Medicare
  • 19 yrs in practice
  • Male
  • 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
301 Old San Francisco RD
Sunnyvale, CA 940866386
(408) 730-6100

Credentials & registration

NPPES · NUCC
NPI registered
May 2008 — 18 yrs on file
Profile last updated
April 15, 2024
Year of graduation
2007 — 19 yrs since
Specialty taxonomy
207RX0202X — NUCC code
State license (1)
California #A116347

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1831357029. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
66,625
Distinct HCPCS
10
Medicare allowed
$1,954,989
HCPCS Description Services Patients Avg allowed
J9271 Injection, pembrolizumab, 1 mg 18,200 25 $54
J3262 Injection, tocilizumab, 1 mg 8,680 11 $6
J1453 Injection, fosaprepitant, 1 mg 7,200 28 $0
J1459 Injection, immune globulin (privigen), intravenous, non-lyophilized (e.g., liquid), 500 mg 6,890 21 $47
J9267 Injection, paclitaxel, 1 mg 6,879 19 $0
J1602 Injection, golimumab, 1 mg, for intravenous use 2,800 11 $13
J9305 Injection, pemetrexed, not otherwise specified, 10 mg 2,655 11 $9
J0897 Injection, denosumab, 1 mg 1,860 14 $23
Q5119 Injection, rituximab-pvvr, biosimilar, (ruxience), 10 mg 1,860 17 $29
J1745 Injection, infliximab, excludes biosimilar, 10 mg 1,780 17 $33

In context: peer comparison

Among 27 peers in this city , average services per provider: 634. This provider delivers 105× the peer median.

Medicare Part D · 2023

Top prescriptions

CMS Part D Prescriber
Total claims
496
Patients
120
Total drug cost
$1,832,797
Drug Type Claims Patients Total cost
Hydroxyurea Generic 78 17 $4,046
Anastrozole Generic 53 18 $2,220
Dexamethasone Generic 47 19 $821
Prochlorperazine Maleate Generic 46 32 $591
Eliquis (Apixaban) Brand 41 12 $34,960
Ondansetron Hcl Generic 34 22 $402
Imbruvica (Ibrutinib) Brand 33 0 $949,170
Acyclovir Generic 31 0 $720
Prednisone Generic 25 0 $275
Tagrisso (Osimertinib Mesylate) Brand 22 0 $368,863

Frequently asked questions

Auto-generated from federal data
What is Dr. Kim-Son Nguyen's medical specialty?
Dr. Kim-Son Nguyen practices Medical Oncology Physician in Stanford, CA.
Where does Dr. Kim-Son Nguyen practice?
Dr. Kim-Son Nguyen practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Kim-Son Nguyen's NPI?
Dr. Kim-Son Nguyen's National Provider Identifier (NPI) is 1831357029, issued by NPPES.
Does Dr. Kim-Son Nguyen accept Medicare assignment?
Yes. Dr. Kim-Son Nguyen accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Kim-Son Nguyen commonly perform?
Top Medicare-reported procedures in 2023: Injection, pembrolizumab, 1 mg (HCPCS J9271); Injection, tocilizumab, 1 mg (HCPCS J3262); Injection, fosaprepitant, 1 mg (HCPCS J1453). Source: CMS Medicare Physician & Other Practitioners file.