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 1891761565

NPI 1891761565

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.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where NPI 1891761565'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). 12 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Paul Nussbaum
Internal Medicine · Bridgeport, CT
1011,501
THE GRIFFIN HOSPITAL42199
Quest Diagnostics Llc
Clinical Laboratory · Wallingford, CT
34103
Rishi Razdan
Interventional Radiology · Jacksonville, FL
2949
American Medical Response Of Connecticut Incorporated
Ambulance Service Provider · New Haven, CT
27430
NPI 10533846851930
Kenneth Spector
Cardiology · Derby, CT
1835
William Hunt
Nephrology · Trumbull, CT
1738
John Farens
Internal Medicine · Shelton, CT
14115
Mark Grogan
Cardiology · Derby, CT
1439
Robert Kim
Nephrology · Trumbull, CT
1329
HARTFORD HEALTHCARE LABORATORIES1242
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.