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 1811915721

Aaron ZarnoskyPA

Physician AssistantGrand Rapids, MII
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
REFERRAL NETWORK

Where Aaron Zarnosky'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 · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Michael Zakem
Hematology-Oncology · Grand Rapids, MI
72257
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
796
Unique beneficiaries
—
Total services
2,323
Distinct HCPCS
22
Medicare payment
$35K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 4,490 Physician Assistant providers in MI — top quintile (cohort median 161).
PRESCRIBING · PART D · 2024
Total Rx claims
150
Beneficiaries
—
Total drug cost
$318K
Distinct drugs
5
Brand share
60.0%
Top prescribed drugs
Apixaban64 claims
Hydroxyurea49 claims
Ruxolitinib Phosphate15 claims
Morphine Sulfate11 claims
Penicillin V Potassium11 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$4K
Payment records
86
By payment type
Food and Beverage$2K
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$2K
Consulting Fee$540
Travel and Lodging$44