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PROVIDER PROFILE · NPI 1255312005

David HyunMD

CardiologySan Jose, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
Final MIPS score
94.6
Quality
88.3
Cost
85.6
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.82%
Individual
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
49
By payment type
Food and Beverage$1K
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (3)

CCN 050038
Hospital
CCN 050308
Hospital
CCN 050380
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
4,285
Beneficiaries
—
Total drug cost
$1.0M
Distinct drugs
75
Brand share
30.1%
Top prescribed drugs
Atorvastatin Calcium369 claims
Amlodipine Besylate302 claims
Apixaban267 claims
Losartan Potassium213 claims
Spironolactone172 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,145
Unique beneficiaries
—
Total services
1,770
Distinct HCPCS
16
Medicare payment
$259K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,869 Cardiology providers in CA — below median (cohort median 2,371).
REFERRAL NETWORK

Where David Hyun'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). 43 inbound referrers · 120 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
GRIFFIN, CHARLES116285
Dae-Wook Kang
Internal Medicine · San Jose, CA
100432
Vineet Sharma
Diagnostic Radiology · Fremont, CA
81157
NPI 144768238057146
Royal Ambulance Inc.
Ambulance Service Provider · San Leandro, CA
5786
Brian Saavedra
Emergency Medicine · San Jose, CA
4272
Ali Bassiri
Internal Medicine · San Jose, CA
40119
Lubna Husain
Emergency Medicine · Castro Valley, CA
4073
GOOD SAMARITAN HOSPITAL, L.P.3888
YEN, CHI-KWAN3353
Masha Nakelchik
Internal Medicine · San Jose, CA
33119
Sharad Dass
Pulmonary Disease · San Jose, CA
2959
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
O'CONNOR HOSPITAL4301,269
GRIFFIN, CHARLES215621
Vineet Sharma
Diagnostic Radiology · Fremont, CA
173350
Philip Pattarelli
Diagnostic Radiology · San Jose, CA
172397
Klaus Fechner
Diagnostic Radiology · San Jose, CA
168503
Rural-Metro Of California Inc
Ambulance Service Provider · San Jose, CA
139220
Unilab Corporation
Clinical Laboratory · San Jose, CA
122426
Royal Ambulance Inc.
Ambulance Service Provider · San Leandro, CA
112180
Kma Emergency Services, Inc.
Ambulance Service Provider · San Leandro, CA
97168
Dae-Wook Kang
Internal Medicine · San Jose, CA
78328
Laboratory Corporation Of America
Clinical Laboratory · San Diego, CA
60119
NPI 144768238049101
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.