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 1720070683

Gary GreenbergM.D.

CardiologySeaside, 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.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
542
Beneficiaries
—
Total drug cost
$56K
Distinct drugs
19
Brand share
13.1%
Top prescribed drugs
Metoprolol Succinate129 claims
Atorvastatin Calcium68 claims
Amlodipine Besylate53 claims
Warfarin Sodium38 claims
Metoprolol Tartrate30 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Gary Greenberg'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). 34 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
American Medical Response Northwest Inc
Ambulance Service Provider · Portland, OR
140273
Robert Israel
Diagnostic Radiology · Portland, OR
111252
Nicholas Calley
Diagnostic Radiology · Portland, OR
85186
Jed Peterson
Diagnostic Radiology · Portland, OR
70144
Mark Hart
Cardiology · Portland, OR
68184
Brant Wommack
Diagnostic Radiology · Bend, OR
61146
BOYD, ERIN4269
PROVIDENCE HEALTH & SERVICES OREGON3999
Marcus Chiodo
Emergency Medicine · Portland, OR
3773
DAWLEY, DOUGLAS3468
LEGACY MOUNT HOOD MEDICAL CENTER2877
Aviva Zigman
Emergency Medicine · Milwaukie, OR
2444
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.