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 1619118494

Bob ChiangM.D.

PRACTICEBOB CHIANG MD INCSee all providers at this practice →
Family PracticeBradbury, 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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
1,209
Beneficiaries
—
Total drug cost
$98K
Distinct drugs
45
Brand share
16.3%
Top prescribed drugs
Atorvastatin Calcium91 claims
Famotidine74 claims
Gabapentin70 claims
Losartan Potassium40 claims
Tamsulosin Hcl39 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
170
Unique beneficiaries
—
Total services
474
Distinct HCPCS
3
Medicare payment
$40K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 8,228 Family Practice providers in CA — above median (cohort median 411).
REFERRAL NETWORK

Where Bob Chiang'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). 21 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
RIVERSIDE HEALTHCARE SYSTEM, L.P.190676
Ardavan Afshar
Diagnostic Radiology · Riverside, CA
60201
NAJLE-RAHIM, MOJDEH42175
Muhammad Arif
Family Practice · San Jacinto, CA
37166
Mohammad Kharazmi
Internal Medicine · Riverside, CA
33189
Shareef Riad
Diagnostic Radiology · San Diego, CA
3278
Mosen Istwani
Internal Medicine · Riverside, CA
25104
David Wagner
Emergency Medicine · Los Angeles, CA
1753
David Lebeau
Diagnostic Radiology · Riverside, CA
1762
Kaustubh Patankar
Cardiology · Riverside, CA
1694
Unilab Corporation
Clinical Laboratory · West Hills, CA
1666
Darren Okada
Pathology · Riverside, CA
1430
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.