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 1437174307

Mark ZeitzerMD

PRACTICEPEACEHEALTH NETWORKS ON DEMAND, LLCSee all providers at this practice →
Emergency MedicinePortland, ORI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
MEDICARE UTILIZATION · PART B · 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.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Mark Zeitzer'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). 6 inbound referrers · 13 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
PEACEHEALTH SOUTHWEST MEDICAL CENTER4199
Joseph Trudeau
Diagnostic Radiology · Portland, OR
2971
American Medical Response Northwest Inc
Ambulance Service Provider · Vancouver, WA
1832
Victor Leonardo
Diagnostic Radiology · Salem, OR
1744
SALEM HEALTH1535
Keith Haugen
Family Practice · Colfax, WA
1132
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
SILVERTON HEALTH110346
Christopher Goeser
Diagnostic Radiology · Salem, OR
3270
Woodburn Ambulance Service, Inc.
Ambulance Service Provider · Woodburn, OR
2974
Kirk Walker
Cardiology · Bend, OR
2172
Piper Rooke
Diagnostic Radiology · Portland, OR
1736
PEACEHEALTH SOUTHWEST MEDICAL CENTER1638
Harminder Gandhok
Cardiology · Salem, OR
1539
Prasanth Prasanna
Diagnostic Radiology · Hillsboro, OR
1322
John Gilliam
Family Practice · Silverton, OR
1225
Ashit Patel
Clinical Cardiac Electrophysiology · Salem, OR
1225
Maziar Azadpour
Cardiology · Salem, OR
1245
Joseph Trudeau
Diagnostic Radiology · Portland, OR
1221
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.