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 1114109253

Janaka PeriyapperumaMD

PRACTICEWCHNSee all providers at this practice →
Internal MedicineDanbury, CTI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 070031
Hospital
CCN 070033
Hospital
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
419
Unique beneficiaries
—
Total services
586
Distinct HCPCS
6
Medicare payment
$55K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,650 Internal Medicine providers in CT — above median (cohort median 549).
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Janaka Periyapperuma'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). 50 inbound referrers · 156 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Adam Welber
Diagnostic Radiology · Danbury, CT
88244
Michael Logue
Cardiology · Bridgeport, CT
70220
Jeffrey Schmierer
Cardiology · Danbury, CT
63203
Seema Bakhru
Diagnostic Radiology · Hartford, CT
58228
Douglas Davis
Diagnostic Radiology · Milwaukee, WI
56179
Thorsten Krebs
Diagnostic Radiology · Danbury, CT
52144
Margaret Bond
Cardiology · Danbury, CT
43152
Barbara Blanco
Diagnostic Radiology · Danbury, CT
43181
KELLER, ANDREW43117
Todd Everett
Diagnostic Radiology · Danbury, CT
40170
Asma Beg
Internal Medicine · Danbury, CT
39196
Marvin Prince
Gastroenterology · Danbury, CT
36128
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
DANBURY HOSPITAL3331,283
Jeffrey Schmierer
Cardiology · Danbury, CT
95217
Carol Gemayel-Barra
Cardiology · Wethersfield, CT
89198
Robert Jarrett
Cardiology · Danbury, CT
68147
City Of Danbury
Ambulance Service Provider · Danbury, CT
68162
Neil Srivastava
Diagnostic Radiology · Manhasset, NY
67117
Joseph Santoro
Diagnostic Radiology · Danbury, CT
64137
DANBURY AMBULANCE SERVICE INC63226
Michael Logue
Cardiology · Bridgeport, CT
6098
Francis Flaherty
Diagnostic Radiology · Danbury, CT
59122
Jonathan Alexander
Cardiology · Danbury, CT
58123
Harvey Kramer
Cardiology · Danbury, CT
57130
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.