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 1023180890

Mark O'callaghanM.D.

PRACTICEKAISER FOUNDATION HEALTH PLAN OF WASHINGTONSee all providers at this practice →
Diagnostic RadiologyTacoma, WAI
CROSS-REFERENCE

Related data on other Healthparse brands

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

Hospital & Facility Affiliations (1)

CCN 500052
Hospital
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Mark O'callaghan'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). 1 inbound referrers · 3 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Kaiser Foundation Health Plan Of Washington
Clinical Laboratory · Renton, WA
37104
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
RIDDELL, KIM3384
Kaiser Foundation Health Plan Of Washington
Clinical Laboratory · Renton, WA
3291
KAISER FOUNDATION HEALTH PLAN OF WASHINGTON2347
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
41
Unique beneficiaries
—
Total services
41
Distinct HCPCS
2
Medicare payment
$407
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 769 Diagnostic Radiology providers in WA — bottom quintile (cohort median 3,244).