Doctor profile · Federal record

Dr. Conway Lien, M.D.

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

  • NPI 1336276450
  • Accepts Medicare
  • MIPS 87.4 / 100 · 2023
  • 26 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
1117 Grimley Ln
San Jose, CA 951204223
(408) 826-4912

Credentials & registration

NPPES · NUCC
NPI registered
February 2007 — 19 yrs on file
Profile last updated
April 8, 2024
Year of graduation
2000 — 26 yrs since
Specialty taxonomy
2085D0003X — NUCC code
State license (1)
California #A76635

Federal sanctions & exclusions

OIG LEIE Updated May 11, 2026

No sanctions, exclusions or revocations on file

Checked against OIG LEIE on NPI 1336276450. Last verified May 11, 2026.

Medicare procedures · 2023

Top services delivered

CMS Provider Utilization
Total services
6,120
Distinct HCPCS
10
Medicare allowed
$212,128
HCPCS Description Services Patients Avg allowed
71045 X-ray of chest, 1 view 1,929 1,514 $10
70450 Ct scan head or brain without contrast 649 587 $45
74177 Ct scan of abdomen and pelvis with contrast 276 270 $99
74176 Ct scan of abdomen and pelvis without contrast 202 197 $94
72125 Ct scan of upper spine without contrast 158 153 $53
71046 X-ray of chest, 2 views 154 152 $12
74018 X-ray of abdomen, 1 view 152 128 $10
73502 X-ray of hip, 2-3 views 148 129 $12
70551 Mri scan of brain without contrast 144 143 $81
73030 X-ray of shoulder, minimum of 2 views 124 109 $10

In context: peer comparison

Among 12 peers in Stanford Diagnostic Neuroimaging (Radiology) Physician, average services per provider: 186. This provider delivers 33× the peer median.

Hospital affiliations

CMS Hospital Compare

Frequently asked questions

Auto-generated from federal data
What is Dr. Conway Lien's medical specialty?
Dr. Conway Lien practices Diagnostic Neuroimaging (Radiology) Physician in Stanford, CA.
Where does Dr. Conway Lien practice?
Dr. Conway Lien practices at 300 Pasteur Dr, Stanford, CA 943052200. Office phone: 6507234000.
What is Dr. Conway Lien's NPI?
Dr. Conway Lien's National Provider Identifier (NPI) is 1336276450, issued by NPPES.
Does Dr. Conway Lien accept Medicare assignment?
Yes. Dr. Conway Lien accepts Medicare assignment, meaning Medicare-allowed amounts are accepted as full payment for covered services.
What procedures does Dr. Conway Lien commonly perform?
Top Medicare-reported procedures in 2023: X-ray of chest, 1 view (HCPCS 71045); Ct scan head or brain without contrast (HCPCS 70450); Ct scan of abdomen and pelvis with contrast (HCPCS 74177). Source: CMS Medicare Physician & Other Practitioners file.