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PROVIDER PROFILE · NPI 1184880676

Robert SiwiecM.D.

GastroenterologyCarmel, INI
CROSS-REFERENCE

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FACILITY AFFILIATIONS

Hospital & Facility Affiliations (2)

CCN 150056
Hospital
CCN 150161
Hospital
PRESCRIBING · PART D · 2024
Total Rx claims
628
Beneficiaries
—
Total drug cost
$84K
Distinct drugs
24
Brand share
27.4%
Top prescribed drugs
Omeprazole95 claims
Ondansetron55 claims
Famotidine48 claims
Linaclotide48 claims
Dicyclomine Hcl40 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
QUALITY · MIPS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Robert Siwiec'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). 17 inbound referrers · 40 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
INDIANA UNIVERSITY HEALTH INC130497
Mark Fisch
Cardiology · Indianapolis, IN
37194
Toyia James-Stevenson
Gastroenterology · Indianapolis, IN
3696
Makram Hajj
Cardiology · Carmel, IN
34124
Matthew Nartker
Diagnostic Radiology · Indianapolis, IN
2153
Gary Fisch
Internal Medicine · Carmel, IN
2056
HUTCHINSON, THOMAS20340
Charles Tolan
Emergency Medicine · Greenwood, IN
1752
Sami Aasar
Interventional Cardiology · Fishers, IN
1656
Marina Weinstein
Hospitalist · Indianapolis, IN
1446
John Christopher Tang
Gastroenterology · Fishers, IN
1332
Ali Hamza
Internal Medicine · Indianapolis, IN
1346
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
INDIANA UNIVERSITY HEALTH NORTH HOSPITAL INC175546
INDIANA UNIVERSITY HEALTH INC93416
Paul Musto
Pathology · Indianapolis, IN
73168
INDIANA UNIVERSITY HEALTH TIPTON HOSPITAL INC69302
Kevin Smith
Diagnostic Radiology · Indianapolis, IN
58187
Makram Hajj
Cardiology · Carmel, IN
34102
Toyia James-Stevenson
Gastroenterology · Indianapolis, IN
3070
Mark Fisch
Cardiology · Indianapolis, IN
29103
Timothy Broach
Internal Medicine · Indianapolis, IN
27327
Patrick Mcquillan
Internal Medicine · Indianapolis, IN
27179
Nicholas Rogers
Internal Medicine · Indianapolis, IN
2357
Larry Hopkins
Anesthesiology · Indianapolis, IN
2260
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
351
Unique beneficiaries
—
Total services
367
Distinct HCPCS
13
Medicare payment
$39K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 249 Gastroenterology providers in IN — below median (cohort median 598).