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 1114992773

Gregory RihacekMD

Internal MedicineSomerset, NJI
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 310039
Hospital
CCN 310070
Hospital
QUALITY · MIPS · 2024
Final MIPS score
24.1
Quality
0.0
Cost
80.4
Improvement activities
0.0
Promoting interop.
0.0
Payment adjustment
-6.11%
Individual
PRESCRIBING · PART D · 2024
Total Rx claims
4,585
Beneficiaries
—
Total drug cost
$4.8M
Distinct drugs
95
Brand share
31.7%
Top prescribed drugs
Prednisone359 claims
Oxycodone Hcl202 claims
Hydroxychloroquine Sulfate189 claims
Oxycodone Hcl/Acetaminophen167 claims
Tramadol Hcl140 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
714
Unique beneficiaries
—
Total services
3,618
Distinct HCPCS
14
Medicare payment
$120K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 3,616 Internal Medicine providers in NJ — top quintile (cohort median 895).
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$15K
Payment records
235
By payment type
Food and Beverage$5K
Compensation for services other than consulting, including serving as faculty or as a speaker at a venue other than a continuing education program$4K
Honoraria$4K
Travel and Lodging$1K
Education$177
REFERRAL NETWORK

Where Gregory Rihacek'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). 8 inbound referrers · 20 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
105283
SAINT PETER'S UNIVERSITY HOSPITAL64268
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL, INC2563
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
2352
Vijay Uppal
Diagnostic Radiology · East Brunswick, NJ
2034
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL INC1651
Judith Amorosa
Diagnostic Radiology · East Brunswick, NJ
1120
Jack Stroh
Interventional Cardiology · Somerset, NJ
1123
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Quest Diagnostics Incorporated
Clinical Laboratory · Clifton, NJ
158528
Laboratory Corporation Of America Holdings
Clinical Laboratory · Raritan, NJ
87239
SAINT PETER'S UNIVERSITY HOSPITAL57179
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL, INC2971
Bioreference Health, Llc
Clinical Laboratory · Elmwood Park, NJ
2761
Drugscan, Inc.
Clinical Laboratory · Horsham, PA
2575
Vijay Uppal
Diagnostic Radiology · East Brunswick, NJ
1937
Barry Zicherman
Diagnostic Radiology · East Brunswick, NJ
1634
Judith Amorosa
Diagnostic Radiology · East Brunswick, NJ
1524
ROBERT WOOD JOHNSON UNIVERSITY HOSPITAL INC1456
Harvey Jacobs
Podiatry · Somerset, NJ
1450
MALBERG, MARC1226
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.