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PROVIDER PROFILE · NPI 1356442354

Kook ChangM.D.

PRACTICEKOOK I. CHANG, M.D. A PROFESSIONAL CORPORATIONSee all providers at this practice →
Internal MedicineVan Nuys, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
Total Rx claims
10,325
Beneficiaries
—
Total drug cost
$1.5M
Distinct drugs
119
Brand share
27.2%
Top prescribed drugs
Rosuvastatin Calcium527 claims
Atorvastatin Calcium493 claims
Losartan Potassium445 claims
Amlodipine Besylate410 claims
Celecoxib356 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
569
Unique beneficiaries
—
Total services
1,156
Distinct HCPCS
8
Medicare payment
$68K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — above median (cohort median 531).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$787
Payment records
18
By payment type
Food and Beverage$787
REFERRAL NETWORK

Where Kook 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). 12 inbound referrers · 23 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
45132
DIGNITY COMMUNITY CARE26165
Andrew Cho
Ophthalmology · Los Angeles, CA
2284
Howard Sawyer
Family Practice · Van Nuys, CA
1868
City Of Los Angeles
Ambulance Service Provider · Los Angeles, CA
1748
MINASSIAN, ARLEN16137
In S Kim
Orthopedic Surgery · Van Nuys, CA
1445
Houman Vosoghi
Ophthalmology · Westlake Village, CA
1327
NPI 10432446921393
Primex Clinical Laboratories Inc.
Clinical Laboratory · Van Nuys, CA
1367
Edward Rhee
Podiatry · Los Angeles, CA
1122
BERMAN, GERALD1127
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Physicians Immunodiagnostic Laboratory, Inc.
Clinical Laboratory · Burbank, CA
209478
Unilab Corporation
Clinical Laboratory · West Hills, CA
72179
DIGNITY COMMUNITY CARE32218
Andrew Cho
Ophthalmology · Los Angeles, CA
2481
VALLEY PRESBYTERIAN HOSPITAL2088
Vincent Fennell
Diagnostic Radiology · Los Angeles, CA
1826
George Rajacich
Ophthalmology · Van Nuys, CA
1840
BERMAN, GERALD1833
MINASSIAN, ARLEN17201
Sandy Lee
Ophthalmology · Encino, CA
1733
City Of Los Angeles
Ambulance Service Provider · Los Angeles, CA
1636
KIM, SEOG WOO1579
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.