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 1982608725

John ChomynM.D.

PRACTICEEAST COOPER PHYSICIAN GROUP LLCSee all providers at this practice →
Interventional RadiologyMt Pleasant, SCI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
89.0
Quality
87.5
Cost
77.5
Improvement activities
40.0
Promoting interop.
0.0
Payment adjustment
0.59%
Group
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.
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
888
Unique beneficiaries
—
Total services
902
Distinct HCPCS
29
Medicare payment
$23K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 36 Interventional Radiology providers in SC — below median (cohort median 2,370).
REFERRAL NETWORK

Where John Chomyn'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). 85 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Jaime Kline
Diagnostic Radiology · Brunswick, ME
322607
Keith Fleming
Diagnostic Radiology · Brunswick, ME
270531
MIDCOAST HOSPITAL263403
Richard Schafer
Internal Medicine · Farmington, ME
246507
CORMIER, MARLENE217399
Marcus Riccioni
Emergency Medicine · Brunswick, ME
172304
Town Of Brunswick
Ambulance Service Provider · Brunswick, ME
141233
POLESKI, DAVID127247
MARTINS POINT HEALTHCARE115170
Nicole Nalchajian
Emergency Medicine · Brunswick, ME
98216
Lora Jobe
Family Practice · Dover Foxcroft, ME
94249
City Of Bath
Ambulance Service Provider · Bath, ME
89181
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.