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PROVIDER PROFILE · NPI 1467612580

Robert KatzerM.D.

Emergency MedicineOrange, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
Total beneficiaries
490
Unique beneficiaries
—
Total services
496
Distinct HCPCS
11
Medicare payment
$53K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 5,287 Emergency Medicine providers in CA — above median (cohort median 355).
QUALITY · MIPS · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
115
Beneficiaries
—
Total drug cost
$878
Distinct drugs
9
Brand share
42.6%
Top prescribed drugs
Cephalexin16 claims
Azithromycin14 claims
Albuterol Sulfate14 claims
Cefdinir13 claims
Ondansetron13 claims
REFERRAL NETWORK

Where Robert Katzer'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 · 37 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Byron J Allen
Internal Medicine · Orange, CA
88183
Pranav Patel
Cardiology · Orange, CA
4390
Teferi Mitiku
Internal Medicine · Orange, CA
3871
Joseph Burns
Diagnostic Radiology · Santa Barbara, CA
2953
Hiroshi Yoshioka
Diagnostic Radiology · Boston, MA
2543
Unilab Corporation
Clinical Laboratory · West Hills, CA
2254
Paul Ramirez
Diagnostic Radiology · Modesto, CA
2038
David Floriolli
Diagnostic Radiology · Orange, CA
2033
Marisa Tseng
Diagnostic Radiology · Duarte, CA
2034
Justin Puopolo
Diagnostic Radiology · Las Vegas, NV
1840
Kevin Harley
Nephrology · Orange, CA
1772
Mayil Krishnam
Diagnostic Radiology · Stanford, CA
1421
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
UNIVERSITY OF CALIFORNIA IRVINE2681,120
CYRLAK, DVORA78154
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
68126
Byron J Allen
Internal Medicine · Orange, CA
67156
Pranav Patel
Cardiology · Orange, CA
3987
Jin Kim
Cardiology · Orange, CA
3980
Pablo Abbona
Diagnostic Radiology · Los Angeles, CA
3857
Teferi Mitiku
Internal Medicine · Orange, CA
3583
GREENSITE, FRED3457
Lisa K Quane
Diagnostic Radiology · Orange, CA
3380
Roozbeh Houshyar
Diagnostic Radiology · Orange, CA
3351
Arash Anavim
Diagnostic Radiology · Orange, CA
3157
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.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.