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PROVIDER PROFILE · NPI 1013936608

Frederick Gregorius

PRACTICEF KARL GREGORIUS M.D., INC.See all providers at this practice →
SpecialistStockton, 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.
PRESCRIBING · PART D · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Frederick Gregorius'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). 5 inbound referrers · 15 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
American Medical Response West
Ambulance Service Provider · Stockton, CA
2744
Daniel Dietrich
Diagnostic Radiology · Stockton, CA
2452
LODI MEMORIAL HOSPITAL ASSOCIATION INC2245
CALLCOTT, FRANK1941
SUTTER GOULD MEDICAL FOUNDATION1687
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
PORT CITY OPERATING COMPANY, LLC81234
Anil Khosla
Diagnostic Radiology · Stockton, CA
42113
Unilab Corporation
Clinical Laboratory · Sacramento, CA
42110
CALLCOTT, FRANK2987
North Star Emergency Services, Inc.
Ambulance Service Provider · Livermore, CA
2541
American Medical Response West
Ambulance Service Provider · Stockton, CA
2433
COUNTY OF SAN JOAQUIN2375
LODI MEMORIAL HOSPITAL ASSOCIATION INC2140
Kiran Jain
Diagnostic Radiology · Davis, CA
2130
Earl Taylor
General Surgery · Stockton, CA
2099
Daniel Dietrich
Diagnostic Radiology · Stockton, CA
1952
SUTTER GOULD MEDICAL FOUNDATION1753
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.