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PROVIDER PROFILE · NPI 1447278072

James ZiegenbeinM.D. A PROF CORP

Infectious DiseaseDowney, 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
231
Unique beneficiaries
—
Total services
820
Distinct HCPCS
3
Medicare payment
$66K
Peer benchmark
Q1
Q2
Q3
Q4
Q5
Total Medicare services vs. 583 Infectious Disease providers in CA — above median (cohort median 564).
PRESCRIBING · PART D · 2024
Total Rx claims
11
Beneficiaries
—
Total drug cost
$1K
Distinct drugs
1
Brand share
100.0%
Top prescribed drugs
Ceftriaxone Sodium11 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
Total received
$14
Payment records
1
By payment type
Food and Beverage$14
REFERRAL NETWORK

Where James Ziegenbein'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). 20 inbound referrers · 40 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
UNIVERSITY OF CALIFORNIA IRVINE134454
Martin Schwartz
Diagnostic Radiology · Los Angeles, CA
46308
Gaurav Goswami
Interventional Radiology · Newport Beach, CA
28203
Padmanabha Shakkottai
Pulmonary Disease · Lakewood, CA
23257
Joel Epstein
Internal Medicine · Lakewood, CA
19114
Malvin Yan
Nephrology · South Gate, CA
19195
Shivanand Pole
Internal Medicine · Los Alamitos, CA
18220
Milan Rawal
Cardiology · Lakewood, CA
1898
AMERICARE MEDSERVICES INC.1874
Alfred Yamamoto
Pathology · Lakewood, CA
1783
SIMMONS, TIMOTHY15224
ALIDINA, SULTANALI15187
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
Christopher Lee
Diagnostic Radiology · Orange, CA
67265
Martin Schwartz
Diagnostic Radiology · Los Angeles, CA
42289
UNIVERSITY OF CALIFORNIA IRVINE42130
SCHEIN, MARK3980
Linda Hsu
Internal Medicine · Downey, CA
34239
Ruth Topacio
Pulmonary Disease · Bellflower, CA
34246
Gaurav Goswami
Interventional Radiology · Newport Beach, CA
30237
AMERICARE MEDSERVICES INC.2997
Falck Mobile Health Corp
Ambulance Service Provider · Orange, CA
2984
PROMISE HOSPITAL OF EAST LOS ANGELES LP2962
Konstantinos Vlachonassios
Cardiology · Lakewood, CA
28250
SEUNG, CHIN2758
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.