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 1770580102

Robert MerzM.D.

CardiologySanta Monica, CAI
CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore
OIG/SAM exclusion screening, sanctions history
© 2026 CareTrace
PricingContactPrivacyTerms
QUALITY · MIPS · 2024
Final MIPS score
90.4
Quality
96.1
Cost
72.0
Improvement activities
40.0
Promoting interop.
100.0
Payment adjustment
0.65%
Group
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$300
Payment records
14
By payment type
Food and Beverage$300
PRESCRIBING · PART D · 2024
Total Rx claims
663
Beneficiaries
—
Total drug cost
$392K
Distinct drugs
17
Brand share
14.3%
Top prescribed drugs
Rosuvastatin Calcium99 claims
Atorvastatin Calcium96 claims
Metoprolol Succinate65 claims
Amlodipine Besylate57 claims
Apixaban49 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
548
Unique beneficiaries
—
Total services
622
Distinct HCPCS
15
Medicare payment
$56K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 1,869 Cardiology providers in CA — below median (cohort median 2,371).
REFERRAL NETWORK

Where Robert Merz'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). 46 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
PROVIDENCE SAINT JOHN'S HEALTH CENTER441973
George Wu
Cardiology · Santa Monica, CA
125199
Paul Natterson
Cardiology · Santa Monica, CA
107183
Peter Pak
Advanced Heart Failure and Transplant Cardiology · Santa Monica, CA
99177
Simon Gabriel
Diagnostic Radiology · Los Angeles, CA
89196
Srinivas Peddi
Diagnostic Radiology · Valencia, CA
74153
Joshua Hanelin
Diagnostic Radiology · Valencia, CA
64149
Nicole Weinberg
Cardiology · Santa Monica, CA
5396
Unilab Corporation
Clinical Laboratory · West Hills, CA
5094
Vicki Schiller
Diagnostic Radiology · Santa Monica, CA
4995
Gilbert Kuhn
Allergy/ Immunology · Santa Monica, CA
3971
City Of Los Angeles
Ambulance Service Provider · Los Angeles, CA
3974
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.