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 1598706103

John ShimaMD

PRACTICEPAULUS D TSAI MD PSSee all providers at this practice →
Internal MedicineForks, WAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
13
Unique beneficiaries
—
Total services
23
Distinct HCPCS
1
Medicare payment
$93
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,650 Internal Medicine providers in WA — bottom quintile (cohort median 497).
REFERRAL NETWORK

Where John Shima'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). 8 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
CLALLAM COUNTY PUBLIC HOSPITAL DISTRICT NO 142119
Kirk Cole
Diagnostic Radiology · Port Angeles, WA
35102
CLALLAM COUNTY PUBLIC HOSPITAL DISTRICT 22978
Lawrence Nivala
Optometry · Port Angeles, WA
2350
Jeffrey Wallhoff
Family Practice · Monroe, WA
1838
Kirk Christianson
Chiropractic · Forks, WA
1762
CLALLAM COUNTY PUBLIC HOSPITAL DISTRICT 21329
MCGOVERN, TRISTAN1158
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.