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 1447386115

Alvin CastilloMD

PRACTICESOUTHERN CALIFORNIA PERMANENTE MEDICAL GROUPSee all providers at this practice →
Diagnostic RadiologyBellflower, 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.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Alvin Castillo'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 · 6 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
COUNTY OF LOS ANGELES3888
Cesar Aranguri
Cardiology · Maywood, CA
2335
COUNTY OF LOS ANGELES2026
GUERREIN, MARSHA1420
Saman Hazany
Diagnostic Radiology · Los Angeles, CA
1426
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
COUNTY OF LOS ANGELES2048
HUNG, GUO-LONG1630
Cesar Aranguri
Cardiology · Maywood, CA
1328
Saman Hazany
Diagnostic Radiology · Los Angeles, CA
1328
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
1318
Ziyad Ayyoub
Physical Medicine and Rehabilitation · Paramount, CA
1272
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.