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 1124039722

Thomas HwangM.D.

PRACTICETUSTIN IRVINE INTERNAL MEDICINE GROUP INC.See all providers at this practice →
Internal MedicineTustin, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 057600
Home health agency
CCN 058238
Home health agency
CCN 050069
Hospital
CCN 050224
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,279
Unique beneficiaries
—
Total services
1,939
Distinct HCPCS
18
Medicare payment
$141K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
REFERRAL NETWORK

Where Thomas Hwang'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). 6 inbound referrers · 11 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
97239
Mark Masotto
Diagnostic Radiology · Orange, CA
2030
David Karlin
Diagnostic Radiology · Orange, CA
1626
Hieu Truong
Diagnostic Radiology · Orange, CA
1337
Paul Beck
Orthopedic Surgery · Orange, CA
1331
Jonathan Bennett
Podiatry · Fullerton, CA
1224
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
154471
ST. JOSEPH HOSPITAL OF ORANGE41117
David Karlin
Diagnostic Radiology · Orange, CA
3254
Mark Masotto
Diagnostic Radiology · Orange, CA
1825
Paul Beck
Orthopedic Surgery · Orange, CA
1646
HARRIS HISTOLOGY SERVICES1418
Joon Kim
Diagnostic Radiology · Orange, CA
1421
Tyson Cobb
Interventional Cardiology · Orange, CA
1222
Charles Keller
Ophthalmology · Orange, CA
1223
Joo-Hyung Lee
Rheumatology · Orange, CA
1143
NPI 17503638751118
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.
PRESCRIBING · PART D · 2024
Total Rx claims
4,236
Beneficiaries
—
Total drug cost
$371K
Distinct drugs
86
Brand share
17.5%
Top prescribed drugs
Atorvastatin Calcium499 claims
Levothyroxine Sodium224 claims
Amlodipine Besylate182 claims
Lisinopril173 claims
Rosuvastatin Calcium164 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$442
Payment records
20
By payment type
Food and Beverage$442
QUALITY · MIPS · 2024
Final MIPS score
84.7
Quality
69.4
Cost
72.6
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.41%
Individual