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 1396857181

Alvin ChangM.D.

PRACTICEOPTIMUM DME INCSee 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
QUALITY · MIPS · 2024
Final MIPS score
75.0
Quality
0.0
Cost
78.4
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
0.00%
Individual
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
974
Unique beneficiaries
—
Total services
2,391
Distinct HCPCS
11
Medicare payment
$151K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
PRESCRIBING · PART D · 2024
Total Rx claims
23,788
Beneficiaries
—
Total drug cost
$2.5M
Distinct drugs
249
Brand share
19.2%
Top prescribed drugs
Atorvastatin Calcium1,446 claims
Losartan Potassium1,041 claims
Amlodipine Besylate979 claims
Levothyroxine Sodium867 claims
Metformin Hcl711 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$513
Payment records
23
By payment type
Food and Beverage$513
REFERRAL NETWORK

Where Alvin Chang'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 · 48 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Randall Turner
Psychiatry · Irvine, CA
110455
Weiming Chu
Psychiatry · Santa Ana, CA
108427
CARECHOICES HOSPICE AND PALLIATIVE SERVICES, LLC78345
Unilab Corporation
Clinical Laboratory · West Hills, CA
73187
HERREN ENTERPRISES INC57151
VENI-EXPRESS, INC.41167
David Yang
Podiatry · Irvine, CA
34132
Michael Poliskie
Podiatry · Tustin, CA
2551
KAISER FOUNDATION HOSPITALS2233
Chien Sun
Emergency Medicine · Anaheim, CA
1958
CAPRETZ, CINDY17114
SADDLEBACK MEMORIAL MEDICAL CENTER1735
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
112420
Randall Turner
Psychiatry · Irvine, CA
110382
Robert Schreiman
Family Practice · Tustin, CA
105351
HOAG MEMORIAL HOSPITAL PRESBYTERIAN102246
PINNACLE HEALTH CORPORATION98321
Weiming Chu
Psychiatry · Santa Ana, CA
89247
Kan-Di-Ki Llc
Portable X-Ray Supplier · North Hollywood, CA
861,243
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
85169
Filyn Corporation
Ambulance Service Provider · Anaheim, CA
80217
Unilab Corporation
Clinical Laboratory · West Hills, CA
74215
Douglas Citro
Psychologist, Clinical · Irvine, CA
67391
VENI-EXPRESS, INC.53228
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.