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 1134143506

James ChunM.D.

PRACTICEBREALL GROUPSee all providers at this practice →
CardiologySan Francisco, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 050152
Hospital
CCN 050407
Hospital
CCN 050454
Hospital
CCN 050457
Hospital
QUALITY · MIPS · 2024
Final MIPS score
86.2
Quality
57.2
Cost
75.3
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.47%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$419
Payment records
6
By payment type
Consulting Fee$275
Food and Beverage$144
Top paying entities
Consulting Fee$275
Food and Beverage$144
PRESCRIBING · PART D · 2024
Total Rx claims
2,728
Beneficiaries
—
Total drug cost
$869K
Distinct drugs
36
Brand share
29.7%
Top prescribed drugs
Atorvastatin Calcium324 claims
Metoprolol Succinate290 claims
Apixaban231 claims
Amlodipine Besylate211 claims
Rivaroxaban187 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
806
Unique beneficiaries
—
Total services
1,146
Distinct HCPCS
14
Medicare payment
$99K
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 James Chun'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). 11 inbound referrers · 17 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
UCSF HEALTH COMMUNITY HOSPITALS56112
UCSF HEALTH COMMUNITY HOSPITALS51125
Jessica Tan
Diagnostic Radiology · San Francisco, CA
2554
David Priest
Diagnostic Radiology · San Francisco, CA
2346
City & County Of San Francisco
Ambulance Service Provider · San Francisco, CA
2339
Luke Scalcione
Diagnostic Radiology · San Diego, CA
1632
Mamata Myneni
Diagnostic Radiology · Durham, NC
1638
John Harris
Diagnostic Radiology · San Francisco, CA
1638
Daniel Lentz
Diagnostic Radiology · San Francisco, CA
1321
Flora Stepansky
Diagnostic Radiology · San Francisco, CA
1226
Pedro Guevara
Internal Medicine · San Francisco, CA
1127
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UCSF HEALTH COMMUNITY HOSPITALS77205
UCSF HEALTH COMMUNITY HOSPITALS45114
SUTTER BAY HOSPITALS2598
Luke Scalcione
Diagnostic Radiology · San Diego, CA
2146
David Priest
Diagnostic Radiology · San Francisco, CA
2041
Kamal Ghei
Internal Medicine · Walnut Creek, CA
20138
Jessica Tan
Diagnostic Radiology · San Francisco, CA
2036
Douglas Bourgon
Diagnostic Radiology · San Francisco, CA
2039
John Harris
Diagnostic Radiology · San Francisco, CA
1937
Michael Taylor
Diagnostic Radiology · San Francisco, CA
1739
ANGOTTI HEALTHCARE SYSTEMS INC1529
CHINESE HOSPITAL ASSOCIATION1433
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.