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PROVIDER PROFILE · NPI 1588756266

John Fullerton

Internal MedicineSan Francisco, CAI
CROSS-REFERENCE

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ProviderScore
OIG/SAM exclusion screening, sanctions history
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MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
590
Beneficiaries
—
Total drug cost
$35K
Distinct drugs
29
Brand share
9.7%
Top prescribed drugs
Donepezil Hcl56 claims
Levothyroxine Sodium50 claims
Losartan Potassium37 claims
Mirtazapine35 claims
Memantine Hcl32 claims
QUALITY · MIPS · 2024
No data available for this provider in 2024.
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where John Fullerton'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). 48 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
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60721
THE REDWOODS, A COMMUNITY OF SENIORS51614
ZISMAN, KATERINA43131
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Podiatry · San Rafael, CA
38312
Robert Wirth
Diagnostic Radiology · Novato, CA
37184
Zeineldin Ahmad
Podiatry · San Leandro, CA
35229
SUTTER VISITING NURSE ASSOCIATION AND HOSPICE33316
BY THE BAY HEALTH32398
Refers patients to
Outbound — where patients go next
No outbound pairs above the suppression threshold.
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.