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 1457436941

Brian PienM.D.

PRACTICEINTERNAL MEDICINE AND INFECTIOUS DISEASES INC.See all providers at this practice →
Infectious DiseaseHonolulu, HII
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
91.5
Quality
84.9
Cost
75.2
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.70%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
2,961
Beneficiaries
—
Total drug cost
$2.1M
Distinct drugs
76
Brand share
30.1%
Top prescribed drugs
Meropenem207 claims
Doxycycline Hyclate154 claims
Amoxicillin/Potassium Clav135 claims
Ciprofloxacin Hcl121 claims
Atorvastatin Calcium102 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
1,102
Unique beneficiaries
—
Total services
3,548
Distinct HCPCS
5
Medicare payment
$249K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 18 Infectious Disease providers in HI — top quintile (cohort median 525).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$3K
Payment records
151
By payment type
Food and Beverage$3K
Education$3
REFERRAL NETWORK

Where Brian Pien'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). 64 inbound referrers · 120 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Clinical Laboratories Of Hawaii Llp
Clinical Laboratory · Ewa Beach, HI
1801,496
James Sheperd
Diagnostic Radiology · Honolulu, HI
1462,407
NPI 10938350681331,377
John Kristofich
Cardiology · Honolulu, HI
1091,102
Francis Pien
Internal Medicine · Honolulu, HI
1021,150
Diagnostic Laboratory Services, Inc
Clinical Laboratory · Aiea, HI
100877
THE QUEEN'S MEDICAL CENTER71433
Brandon Itagaki
Interventional Radiology · Los Angeles, CA
57442
KUAKINI MEDICAL CENTER55428
International Life Support Inc
Ambulance Service Provider · Aiea, HI
54416
Kryss Kojima
Diagnostic Radiology · Honolulu, HI
54614
PALI MOMI MEDICAL CENTER40208
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
STRAUB CLINIC & HOSPITAL2422,196
Clinical Laboratories Of Hawaii Llp
Clinical Laboratory · Ewa Beach, HI
1321,125
James Sheperd
Diagnostic Radiology · Honolulu, HI
1061,252
Francis Pien
Internal Medicine · Honolulu, HI
1061,178
Diagnostic Laboratory Services, Inc
Clinical Laboratory · Aiea, HI
93736
NPI 109383506877646
Brent Baker
Diagnostic Radiology · Honolulu, HI
72638
Robert Lipman
Interventional Radiology · Honolulu, HI
71493
THE QUEEN'S MEDICAL CENTER66247
John Kristofich
Cardiology · Honolulu, HI
66366
Brian Sinclair
Diagnostic Radiology · La Crosse, WI
64354
Albert Yeung
Diagnostic Radiology · Honolulu, HI
61402
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.