Doctor profile · Federal record

Dr. James Yoon, M.D.

Diagnostic Radiology Physician (CMS: Diagnostic Radiology) · Stanford, CA

  • NPI 1609227388
  • Accepts Medicare
  • 10 yrs in practice
  • Male
  • 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
June 2016 — 10 yrs on file
Profile last updated
July 7, 2021
Year of graduation
2016 — 10 yrs since
Specialty taxonomy
2085R0202X — NUCC code
State license (1)
California #A171697

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1609227388. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
27
Distinct HCPCS
1
Medicare allowed
$251
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 27 25 $9

In context: peer comparison

Among 64 peers in this city , average services per provider: 118. This provider delivers 0.2× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. James Yoon's medical specialty?
Dr. James Yoon practices Diagnostic Radiology Physician in Stanford, CA.
Where does Dr. James Yoon practice?
Dr. James Yoon practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. James Yoon's NPI?
Dr. James Yoon's National Provider Identifier (NPI) is 1609227388, issued by NPPES.
Does Dr. James Yoon accept Medicare assignment?
Yes. Dr. James Yoon accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. James Yoon commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045). Source: CMS Medicare Physician & Other Practitioners file.