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PROVIDER PROFILE · NPI 1124287354

Mark ChoiM.D.

HospitalistLos Angeles, 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
12
Beneficiaries
—
Total drug cost
$74
Distinct drugs
1
Brand share
0.0%
Top prescribed drugs
Atorvastatin Calcium12 claims
QUALITY · MIPS · 2024
Final MIPS score
89.1
Quality
84.8
Cost
73.2
Improvement activities
40.0
Promoting interop.
99.0
Payment adjustment
0.60%
Group
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 050625
Hospital
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
150
Unique beneficiaries
—
Total services
274
Distinct HCPCS
3
Medicare payment
$28K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,917 Hospitalist providers in CA — below median (cohort median 446).
REFERRAL NETWORK

Where Mark Choi'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). 25 inbound referrers · 55 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
City Of Los Angeles
Ambulance Service Provider · Los Angeles, CA
46193
Elton Tourje
Diagnostic Radiology · Los Angeles, CA
33160
Michael Witkosky
Diagnostic Radiology · Sacramento, CA
3298
Dayle Robson
Diagnostic Radiology · Los Angeles, CA
2678
Jason Aaronson
Diagnostic Radiology · Los Angeles, CA
25109
Willis Wagner
Vascular Surgery · Los Angeles, CA
2588
NPI 111492357021154
Scott Toporek
Hospitalist · Los Angeles, CA
20227
Unilab Corporation
Clinical Laboratory · West Hills, CA
2086
Cindy Kallman
Diagnostic Radiology · Los Angeles, CA
1946
Prn Ambulance, Llc
Ambulance Service Provider · North Hills, CA
1939
Angad Rai
Hospitalist · Los Angeles, CA
1543
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
CEDARS-SINAI MEDICAL CENTER189824
Navid Mehrpoo
Diagnostic Radiology · West Hollywood, CA
51181
Prn Ambulance, Llc
Ambulance Service Provider · North Hills, CA
39148
Ravi Prasad
Diagnostic Radiology · West Hollywood, CA
35106
Xunzhang Wang
Clinical Cardiac Electrophysiology · Los Angeles, CA
34115
Michael Shehata
Clinical Cardiac Electrophysiology · West Hollywood, CA
34109
Sumeet Chugh
Clinical Cardiac Electrophysiology · Los Angeles, CA
3377
Mamata Chithriki
Diagnostic Radiology · Los Angeles, CA
3384
Michael Witkosky
Diagnostic Radiology · Sacramento, CA
3060
Mitchell Komaiko
Diagnostic Radiology · West Hollywood, CA
2865
NPI 15987000802887
Ashley Wachsman
Diagnostic Radiology · Los Angeles, CA
2557
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.