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 1194736082

John Tsao

PRACTICEJOHN M TSAO INCSee all providers at this practice →
Internal MedicineTorrance, 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.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
20
Beneficiaries
—
Total drug cost
$62
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Amlodipine Besylate20 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where John Tsao'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). 10 inbound referrers · 34 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
TORRANCE MEMORIAL MEDICAL CENTER142389
Unilab Corporation
Clinical Laboratory · West Hills, CA
3684
Dianne Cheung
Endocrinology · Torrance, CA
2447
PATHOLOGY, INC.2037
WEST COAST CLINICAL LABORATORIES, INC.1935
Westmed Ambulance Inc
Ambulance Service Provider · Compton, CA
1933
John Maher
Ophthalmology · Torrance, CA
1825
HUETTNER, GLENN1632
Albert Grabb
Diagnostic Radiology · Torrance, CA
1419
Dan Sakamoto
Ophthalmology · Torrance, CA
1227
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Regents Of The University Of
Clinical Laboratory · Panorama City, CA
349726
TORRANCE MEMORIAL MEDICAL CENTER146469
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
70180
PROVIDENCE HEALTH SYSTEM SOUTHERN CALIFORNIA52124
REGENTS UNIV OF CALIF LOS ANGELES39146
Dianne Cheung
Endocrinology · Torrance, CA
3274
Unilab Corporation
Clinical Laboratory · West Hills, CA
3084
Ron Gallemore
Ophthalmology · Torrance, CA
22104
John Maher
Ophthalmology · Torrance, CA
2144
Dan Sakamoto
Ophthalmology · Torrance, CA
1839
David Cohen
Interventional Cardiology · Tucson, AZ
1854
UNGUEZ, ROBERTO1828
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.