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 1881874691

Belen MatiasM.D.

Infectious DiseaseNorthridge, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
REFERRAL NETWORK

Where Belen Matias'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). 38 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
SIMI VALLEY HOSPITAL AND HEALTH CARE SERVICES194549
Robert Acquarelli
Diagnostic Radiology · Simi Valley, CA
106470
INOUYE, CRAIG102381
Qurat-Ul-Ain Rashid
Internal Medicine · Simi Valley, CA
86404
American Medical Response Ambulance Service Inc
Ambulance Service Provider · Moorpark, CA
79214
Pejman Badiei
Internal Medicine · Newport Beach, CA
48169
Jonathan Nasseri
Hospice and Palliative Care · Thousand Oaks, CA
47187
Gurdip Flora
Internal Medicine · Simi Valley, CA
40204
Unilab Corporation
Clinical Laboratory · West Hills, CA
39147
Kwan Chong
General Surgery · Simi Valley, CA
36133
Glenn Littell
Pathology · Dover, NH
3566
Jie Shi Yan
Nephrology · Simi Valley, CA
33173
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
217
Unique beneficiaries
—
Total services
592
Distinct HCPCS
4
Medicare payment
$55K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 583 Infectious Disease providers in CA — above median (cohort median 564).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$19
Payment records
1
By payment type
Food and Beverage$19