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 1821168832

Robert Hsu

Physician AssistantSan Jose, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
214
Beneficiaries
—
Total drug cost
$870
Distinct drugs
8
Brand share
37.4%
Top prescribed drugs
Clopidogrel Bisulfate49 claims
Metoprolol Tartrate32 claims
Hydrocodone/Acetaminophen31 claims
Atorvastatin Calcium26 claims
Furosemide26 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Robert Hsu'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). 5 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Sang Lee
Cardiac Surgery · San Jose, CA
36154
SAN JOSE HEALTHCARE SYSTEM, L.P.2140
Keith Kwok
Diagnostic Radiology · Tracy, CA
1319
Eddie Tang
Cardiac Surgery · San Francisco, CA
1222
Conway Lien
Diagnostic Radiology · Stanford, CA
1227
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.