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PROVIDER PROFILE · NPI 1215961628

Richard SonnerMD

Emergency MedicineLos Angeles, CAI
CROSS-REFERENCE

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OIG/SAM exclusion screening, sanctions history
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REFERRAL NETWORK

Where Richard Sonner'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 · 78 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
TORRANCE MEMORIAL MEDICAL CENTER123298
Westmed Ambulance Inc
Ambulance Service Provider · Compton, CA
115204
Albert Grabb
Diagnostic Radiology · Torrance, CA
81137
City Of Los Angeles
Ambulance Service Provider · Los Angeles, CA
4289
Unilab Corporation
Clinical Laboratory · West Hills, CA
3091
Rachel Knopoff
Diagnostic Radiology · Torrance, CA
2437
Joseph Lopez
Internal Medicine · Torrance, CA
2245
REGENTS OF THE UNIV OF CALIFORNIA1738
PO, JONATHAN1627
SCHIMMEL, DANIEL1526
Erol Kosar
Clinical Cardiac Electrophysiology · Torrance, CA
1420
Gina Sulmeyer
Emergency Medicine · Torrance, CA
1226
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
TORRANCE MEMORIAL MEDICAL CENTER386968
REGENTS UNIV OF CALIF LOS ANGELES232955
UNGUEZ, ROBERTO120182
Mitchell Sklar
Diagnostic Radiology · Torrance, CA
95165
Holly Middlekauff
Cardiology · Los Angeles, CA
84235
Mitchell Parver
Diagnostic Radiology · Torrance, CA
68104
Peter Joyce
Diagnostic Radiology · Santa Monica, CA
5791
David Stone
Diagnostic Radiology · Torrance, CA
4867
Amanda Murphy
Diagnostic Radiology · San Diego, CA
4870
Heidi Hoffman
Diagnostic Radiology · Torrance, CA
4882
AMERICARE MEDSERVICES INC.4669
John Go
Diagnostic Radiology · Los Angeles, CA
4461
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
507
Unique beneficiaries
—
Total services
514
Distinct HCPCS
4
Medicare payment
$64K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 5,287 Emergency Medicine providers in CA — above median (cohort median 355).
PRESCRIBING · PART D · 2024
Total Rx claims
217
Beneficiaries
—
Total drug cost
$1K
Distinct drugs
10
Brand share
57.6%
Top prescribed drugs
Hydrocodone/Acetaminophen70 claims
Ondansetron28 claims
Cefdinir20 claims
Prednisone17 claims
Famotidine16 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$30
Payment records
1
By payment type
Food and Beverage$30