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PROVIDER PROFILE · NPI 1366459208

Riad DarwishM.D.

NephrologyWhittier, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$141
Payment records
2
By payment type
Food and Beverage$141
Top paying entities
Food and Beverage$141
PRESCRIBING · PART D · 2024
Total Rx claims
524
Beneficiaries
—
Total drug cost
$33K
Distinct drugs
20
Brand share
13.4%
Top prescribed drugs
Atorvastatin Calcium65 claims
Labetalol Hcl57 claims
Amlodipine Besylate49 claims
Allopurinol46 claims
Levothyroxine Sodium43 claims
MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
86
Unique beneficiaries
—
Total services
201
Distinct HCPCS
2
Medicare payment
$13K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 985 Nephrology providers in CA — bottom quintile (cohort median 1,482).
REFERRAL NETWORK

Where Riad Darwish'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). 12 inbound referrers · 21 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
PIH HEALTH WHITTIER HOSPITAL132815
Unilab Corporation
Clinical Laboratory · West Hills, CA
99319
Sudhaker Nayak
Cardiology · Whittier, CA
2277
Kevin Huang
Nephrology · Whittier, CA
21110
Jayakumar Vidhun
Nephrology · Whittier, CA
21118
Richard Parks
Interventional Cardiology · Whittier, CA
1871
Zareh Ounjian
Diagnostic Radiology · Whittier, CA
1749
Daniel Saket
Diagnostic Radiology · Whittier, CA
1634
Christina Lee
Diagnostic Radiology · Whittier, CA
1642
KOKORIS, NICHOLAS1439
SPECTRA LABORATORIES INC14255
Paresh Patel
Internal Medicine · Whittier, CA
1235
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
PIH HEALTH WHITTIER HOSPITAL100503
Unilab Corporation
Clinical Laboratory · West Hills, CA
51172
Jagdish Patel
Diagnostic Radiology · Whittier, CA
3089
Sudhaker Nayak
Cardiology · Whittier, CA
23110
Brian Yue
Diagnostic Radiology · Whittier, CA
2167
Jayakumar Vidhun
Nephrology · Whittier, CA
2195
Richard Parks
Interventional Cardiology · Whittier, CA
2083
Shahriare Nasser-Moaddeli
Nephrology · Whittier, CA
1987
Kevin Huang
Nephrology · Whittier, CA
1973
Aditya Ambegaonkar
Cardiology · Los Angeles, CA
1668
Jennifer Imparato
Nephrology · Whittier, CA
15144
SPECTRA LABORATORIES INC14211
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.