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PROVIDER PROFILE · NPI 1134330491

Mark NishiharaM.D.

Internal MedicineAiea, HII
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
908
Unique beneficiaries
—
Total services
1,476
Distinct HCPCS
9
Medicare payment
$66K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 453 Internal Medicine providers in HI — top quintile (cohort median 450).
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (4)

CCN 127310
Home health agency
CCN 120001
Hospital
CCN 120026
Hospital
CCN 123300
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
5,207
Beneficiaries
—
Total drug cost
$562K
Distinct drugs
88
Brand share
18.7%
Top prescribed drugs
Atorvastatin Calcium788 claims
Amlodipine Besylate400 claims
Losartan Potassium347 claims
Simvastatin299 claims
Metformin Hcl160 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$1K
Payment records
70
By payment type
Food and Beverage$1K
REFERRAL NETWORK

Where Mark Nishihara'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). 13 inbound referrers · 27 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Diagnostic Laboratory Services, Inc
Clinical Laboratory · Aiea, HI
308971
PALI MOMI MEDICAL CENTER174537
Clinical Laboratories Of Hawaii Llp
Clinical Laboratory · Ewa Beach, HI
36126
THE QUEEN'S MEDICAL CENTER2748
Abhijeet Koli
Cardiology · Georgetown, TX
1954
Jeremy Kuniyoshi
Diagnostic Radiology · San Diego, CA
1940
Michael Chan
Cardiology · Aiea, HI
1835
ARIMOTO, HOWARD1854
Matthew Yuh
Diagnostic Radiology · Honolulu, HI
1629
Stephen Lee
Urology · San Jose, CA
1327
Paul Takiguchi
Dermatology · Aiea, HI
1214
REINKING, GREGORY1125
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Diagnostic Laboratory Services, Inc
Clinical Laboratory · Aiea, HI
148448
PALI MOMI MEDICAL CENTER133330
Donn Kumasaki
Diagnostic Radiology · Honolulu, HI
2961
THE QUEEN'S MEDICAL CENTER2854
Gregory Dunn
Diagnostic Radiology · Honolulu, HI
2351
WATANABE, TED2153
Andy Aoki
Diagnostic Radiology · Honolulu, HI
1835
Alvin Ikeda
Diagnostic Radiology · Honolulu, HI
1828
Stephen Ko
Diagnostic Radiology · Honolulu, HI
1828
STRAUB CLINIC & HOSPITAL1731
Clinical Laboratories Of Hawaii Llp
Clinical Laboratory · Ewa Beach, HI
1755
Charles Kim
Urology · Honolulu, HI
1748
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.