What is John Fullerton's specialty?

John Fullerton (NPI 1588756266) is a Medicare-billing provider whose primary specialty is Internal Medicine in San Francisco, CA.

Where does John Fullerton practice?

John Fullerton practices in San Francisco, CA, based on the location reported in the CMS Medicare provider datasets for NPI 1588756266.

How much does Medicare pay John Fullerton?

Medicare Part B utilization, prescribing (Part D), MIPS quality scores, and industry payments for John Fullerton (NPI 1588756266) are detailed on this CareTrace profile.

PROVIDER PROFILE · NPI 1588756266

John Fullerton

Internal MedicineSan Francisco, CAI

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

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

Physician	Patients	Visits
Theresa Kemnitz Internal Medicine · San Francisco, CA	226	3,079
MARIN GENERAL HOSPITAL	167	2,138
North Star Emergency Services, Inc. Ambulance Service Provider · Livermore, CA	102	1,292
Community Mobile Diagnostics Llc Portable X-Ray Supplier · San Leandro, CA	76	1,004
Quality Medical Imaging Of California Inc Portable X-Ray Supplier · Aliso Viejo, CA	60	721
THE REDWOODS, A COMMUNITY OF SENIORS	51	614
ZISMAN, KATERINA	43	131
Bradley Jann Podiatry · San Rafael, CA	38	312
Robert Wirth Diagnostic Radiology · Novato, CA	37	184
Zeineldin Ahmad Podiatry · San Leandro, CA	35	229
SUTTER VISITING NURSE ASSOCIATION AND HOSPICE	33	316
BY THE BAY HEALTH	32	398

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.

CROSS-REFERENCE

Related data on other Healthparse brands

ProviderScore

OIG/SAM exclusion screening, sanctions history

Healthparse Signals

Monitor this provider for changes — dated NPI change events