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PROVIDER PROFILE · NPI 1841403110

Ross OndersmaMD

Diagnostic RadiologyLynnwood, WAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
2,306
Unique beneficiaries
—
Total services
2,674
Distinct HCPCS
32
Medicare payment
$534K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 769 Diagnostic Radiology providers in WA — below median (cohort median 3,244).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Ross Ondersma'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). 159 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
CLALLAM COUNTY PUBLIC HOSPITAL DISTRICT 23,42011,819
JAMESTOWN S'KLALLAM TRIBE5791,283
Michael Fishman
Diagnostic Radiology · Lynnwood, WA
4531,022
OLYMPIC AMBULANCE SERVICE INC.321715
Edward Sessions
Diagnostic Radiology · Lynnwood, WA
292698
FAMILY MEDICINE OF PORT ANGELES PLLC235519
Northwest Pathology Pllc
Clinical Laboratory · Bellingham, WA
210591
Quest Diagnostics Clinical Laboratories Inc
Clinical Laboratory · Seattle, WA
179346
JEFFERSON COUNTY PUBLIC HOSPITAL DISTRICT NO 2168429
KING COUNTY PUBLIC HOSPITAL DISTRICT NO. 2168416
Mark Fischer
Internal Medicine · Port Angeles, WA
157585
City Of Port Angeles
Ambulance Service Provider · Port Angeles, WA
126219
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.