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PROVIDER PROFILE · NPI 1295766426

Catherine ChangM.D.

Internal MedicineNewport Beach, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 059376
Home health agency
CCN 557412
Home health agency
CCN 050224
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,447
Unique beneficiaries
—
Total services
1,949
Distinct HCPCS
12
Medicare payment
$142K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 10,499 Internal Medicine providers in CA — top quintile (cohort median 531).
QUALITY · MIPS · 2024
Final MIPS score
24.6
Quality
0.0
Cost
81.9
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-6.05%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
3,423
Beneficiaries
—
Total drug cost
$217K
Distinct drugs
77
Brand share
26.0%
Top prescribed drugs
Rosuvastatin Calcium254 claims
Amlodipine Besylate200 claims
Atorvastatin Calcium145 claims
Levothyroxine Sodium132 claims
Escitalopram Oxalate131 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$58
Payment records
3
By payment type
Food and Beverage$58
REFERRAL NETWORK

Where Catherine 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). 8 inbound referrers · 27 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Unilab Corporation
Clinical Laboratory · West Hills, CA
3290
Jay Lichman
Diagnostic Radiology · Newport Beach, CA
2541
Jennifer Overstreet
Diagnostic Radiology · Newport Beach, CA
1931
George Semeniuk
Hematology-Oncology · Newport Beach, CA
1377
Dipti Itchhaporia
Cardiology · Newport Beach, CA
1235
Shaya Ghazinoor
Diagnostic Radiology · Newport Beach, CA
1221
Winston Whitney
Diagnostic Radiology · Newport Beach, CA
1216
Sonia Grewal
Endocrinology · Newport Beach, CA
1119
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
156332
HOAG MEMORIAL HOSPITAL PRESBYTERIAN149491
CALIFORNIA LABORATORY SCIENCES LLC93237
CHOO, IRIS3949
Unilab Corporation
Clinical Laboratory · West Hills, CA
37100
UNIVERSITY OF SOUTHERN CALIFORNIA29103
Marnie Kremer Prill
Diagnostic Radiology · Newport Beach, CA
2435
Jay Lichman
Diagnostic Radiology · Newport Beach, CA
2333
Thuan Tran
Diagnostic Radiology · Newport Beach, CA
2235
Dipti Itchhaporia
Cardiology · Newport Beach, CA
2042
Winston Whitney
Diagnostic Radiology · Newport Beach, CA
2035
Shaya Ghazinoor
Diagnostic Radiology · Newport Beach, CA
1937
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.