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PROVIDER PROFILE · NPI 1225059116

Felice ZwasM.D.

PRACTICECENTER FOR GASTROINTESTINAL MEDICINE OF FAIRFIELD & WESTCHESTER, P.C.See all providers at this practice →
GastroenterologyGreenwich, CTI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (1)

CCN 070018
Hospital
REFERRAL NETWORK

Where Felice Zwas'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). 18 inbound referrers · 47 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Richard Eisen
Pathology · Glendale, AZ
71131
STAMFORD HOSPITAL3988
David Evans
Diagnostic Radiology · Greenwich, CT
3365
Vincent Brunelli
Certified Registered Nurse Anesthetist (CRNA) · East Hartford, CT
3148
JAGGESSARSINGH, DANA2752
PETERSON, MARLA2136
Francis Neeson
Cardiology · Greenwich, CT
2139
Francis Walsh
Nephrology · Cos Cob, CT
2090
Sunil Rana
Internal Medicine · Greenwich, CT
2086
Christopher Howes
Interventional Cardiology · Branford, CT
2048
Alexander Delvecchio
Clinical Cardiac Electrophysiology · Greenwich, CT
1983
Erez Salik
Interventional Radiology · Greenwich, CT
1630
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
GREENWICH HOSPITAL3701,598
Diagnostic Endoscopy Llc
Ambulatory Surgical Center · Stamford, CT
235557
Shawn Byles
Anesthesiology · New Rochelle, NY
84209
Ileana Green
Pathology · Greenwich, CT
66167
Dorothy Blackmun
Pathology · Woodland Park, NJ
57138
Richard Eisen
Pathology · Glendale, AZ
5576
ALTMEYER, VICKI50114
STAMFORD HOSPITAL4699
David Evans
Diagnostic Radiology · Greenwich, CT
4278
Scott Sullivan
Diagnostic Radiology · Greenwich, CT
3974
MULLEN, DAVID3965
NPI 133617533038100
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
809
Unique beneficiaries
—
Total services
886
Distinct HCPCS
14
Medicare payment
$91K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 260 Gastroenterology providers in CT — top quintile (cohort median 519).
PRESCRIBING · PART D · 2024
Total Rx claims
770
Beneficiaries
—
Total drug cost
$800K
Distinct drugs
16
Brand share
22.9%
Top prescribed drugs
Pantoprazole Sodium317 claims
Famotidine151 claims
Omeprazole44 claims
Ondansetron40 claims
Mesalamine30 claims
QUALITY · MIPS · 2024
Final MIPS score
92.0
Quality
89.2
Cost
78.4
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.72%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$625
Payment records
34
By payment type
Food and Beverage$625