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 1669441374

John MarencoM.D.

Clinical Cardiac ElectrophysiologySpringfield, MAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$5K
Payment records
60
By payment type
Food and Beverage$3K
Travel and Lodging$2K
PRESCRIBING · PART D · 2024
Total Rx claims
1,979
Beneficiaries
—
Total drug cost
$730K
Distinct drugs
34
Brand share
40.6%
Top prescribed drugs
Apixaban306 claims
Metoprolol Succinate202 claims
Atorvastatin Calcium97 claims
Carvedilol96 claims
Amlodipine Besylate81 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
4,035
Unique beneficiaries
—
Total services
7,262
Distinct HCPCS
33
Medicare payment
$333K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 70 Clinical Cardiac Electrophysiology providers in MA — top quintile (cohort median 2,056).
REFERRAL NETWORK

Where John Marenco'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). 152 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
THE MERCY HOSPITAL INC7491,513
BAYSTATE MEDICAL CENTER INC6451,558
BRODER, MARTIN133282
Jay Markham
Cardiology · Springfield, MA
131329
David Mernoff
Diagnostic Radiology · Springfield, MA
109188
William Hiser
Cardiology · Springfield, MA
82177
Rashmi Balasubramanya
Diagnostic Radiology · Aldan, PA
81128
Jeffrey Friedman
Diagnostic Radiology · Springfield, MA
79150
MEDCARE EMERGENCY HEALTH, INC.74140
Michael Swirsky
Diagnostic Radiology · Springfield, MA
6799
Mark Kenton
Emergency Medicine · Springfield, MA
62101
Michael Zmurko
Emergency Medicine · Rutland, VT
5689
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.