caretrace.iopowered by▸healthparse
SearchCohort Builder
Tools▾
KOL FinderTerritoriesDrug Compare
AI Query
Browse▾
By stateBy specialty
Pricing
SearchCohort BuilderToolsKOL FinderTerritoriesDrug CompareAI QueryBrowseBy stateBy specialtyPricing
PROVIDER PROFILE · NPI 1174639942

John Chen

Diagnostic RadiologyLos Angeles, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
38
Beneficiaries
—
Total drug cost
$6K
Distinct drugs
2
Brand share
68.4%
Top prescribed drugs
Mirabegron26 claims
Trospium Chloride12 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where John Chen'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). 49 inbound referrers · 106 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Sun Clinical Laboratories
Clinical Laboratory · El Monte, CA
260421
Unilab Corporation
Clinical Laboratory · West Hills, CA
101165
Li Liu
Internal Medicine · Monterey Park, CA
99208
Chin Shun Shih
Internal Medicine · Monterey Park, CA
5287
NPI 13361584274981
Primex Clinical Laboratories Inc.
Clinical Laboratory · Van Nuys, CA
41113
Hsiao- Fen Chen
Family Practice · San Gabriel, CA
3964
HAN, FRANK3867
David Chen
Emergency Medicine · Santa Ana, CA
3654
Jim-Jer Hwu
Nephrology · Monterey Park, CA
3197
Tin-Cheu Wong
Ophthalmology · Monterey Park, CA
3151
Henry Yee
Cardiology · Alhambra, CA
3140
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Abacus Business Corporation Group Inc.
Clinical Laboratory · Los Angeles, CA
305644
Sun Clinical Laboratories
Clinical Laboratory · El Monte, CA
299525
YANG, CHIEH-JEN206244
NPI 1336158427145362
Li Liu
Internal Medicine · Monterey Park, CA
113251
Unilab Corporation
Clinical Laboratory · West Hills, CA
87128
Felix Chi-Ming Yip
Urology · Monterey Park, CA
6795
Dana Yuen
Ophthalmology · Monterey Park, CA
63107
AHMC GARFIELD MEDICAL CENTER LP6094
Joseph Kuei
Pulmonary Disease · Monterey Park, CA
5292
Stanley Lau
Cardiology · San Gabriel, CA
4974
Chin Shun Shih
Internal Medicine · Monterey Park, CA
4687
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.