PROVIDER PROFILE · NPI 1366638447

John LieuM.D.

Diagnostic RadiologyPalo Alto, CAI

MEDICARE UTILIZATION · PART B · 2024

Total beneficiaries

3,207

Unique beneficiaries

—

Total services

3,346

Distinct HCPCS

Medicare payment

$101K

Peer benchmark

Total Medicare services vs. 3,474 Diagnostic Radiology providers in CA — above median (cohort median 2,975).

PRESCRIBING · PART D · 2024

Total Rx claims

Beneficiaries

—

Total drug cost

$3K

Distinct drugs

Brand share

100.0%

Top prescribed drugs

Carbidopa/Levodopa13 claims

QUALITY · MIPS · 2024

Final MIPS score

95.5

Quality

100.0

Cost

84.8

Improvement activities

40.0

Promoting interop.

0.0

Payment adjustment

0.86%

Group

INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024

No data available for this provider in 2024.

REFERRAL NETWORK

Where John Lieu's patients come from & go

Directional shared-patient flow from Medicare claims — who sends patients to this provider (inbound) and where this provider's patients go next (outbound). 145 inbound referrers · 336 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
Unilab Corporation Clinical Laboratory · West Hills, CA	318	704
William Vandalsem Diagnostic Radiology · Newport Beach, CA	144	271
Karence Chan Diagnostic Radiology · Newport Beach, CA	126	201
Scott Williams Diagnostic Radiology · Stanford, CA	125	236
Shaya Ghazinoor Diagnostic Radiology · Newport Beach, CA	116	236
Winston Whitney Diagnostic Radiology · Newport Beach, CA	107	180
Peter Giuliano Diagnostic Radiology · Newport Beach, CA	92	146
Frederick Birnberg Diagnostic Radiology · Newport Beach, CA	85	154
January Lopez Diagnostic Radiology · Pasadena, CA	67	107
Michael Roossin Diagnostic Radiology · Newport Beach, AR	66	124
Binh Nguyen Interventional Radiology · Newport Beach, CA	60	99
Marnie Kremer Prill Diagnostic Radiology · Newport Beach, CA	60	98

Refers patients to

Outbound — where patients go next

Physician	Patients	Visits
HOAG MEMORIAL HOSPITAL PRESBYTERIAN	1,526	3,306
CALIFORNIA LABORATORY SCIENCES LLC	220	468
Unilab Corporation Clinical Laboratory · West Hills, CA	219	441
Falck Mobile Health Corp Ambulance Service Provider · Orange, CA	195	355
Mark Chen Diagnostic Radiology · Newport Beach, CA	184	356
Jinsoo Keyoung Diagnostic Radiology · Stanford, CA	170	281
LIM, JOHN	154	252
Winston Whitney Diagnostic Radiology · Newport Beach, CA	149	248
Thuan Tran Diagnostic Radiology · Newport Beach, CA	148	244
William Vandalsem Diagnostic Radiology · Newport Beach, CA	145	320
Laboratory Corporation Of America Clinical Laboratory · San Diego, CA	141	266
Roger Thomas Diagnostic Radiology · Newport Beach, CA	140	317

Source: CMS Physician Shared Patient Patterns (30-day window, Medicare FFS). Direction = a beneficiary seen by the first provider, then the second, within 30 days; a proxy for referral, not a documented referral. Pairs with fewer than 11 shared beneficiaries are suppressed.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history