PROVIDER PROFILE · NPI 1679552400

David Marquis

Emergency MedicineBoca Raton, FLI

MEDICARE UTILIZATION · PART B · 2024

No data available for this provider in 2024.

PRESCRIBING · PART D · 2024

Total Rx claims

104

Beneficiaries

—

Total drug cost

$325

Distinct drugs

Brand share

0.0%

Top prescribed drugs

Prednisone39 claims

Azithromycin24 claims

Amoxicillin21 claims

Fluticasone Propionate20 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 David Marquis'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). 23 inbound referrers · 0 outbound destinations.

Receives referrals from

Inbound — who sends patients here

Physician	Patients	Visits
NAPLES HMA LLC	404	762
Collier County Board Of County Commissioners Ambulance Service Provider · Naples, FL	132	240
Joel Berman Diagnostic Radiology · Yardley, PA	102	203
Vinh Luu Cardiology · Naples, FL	86	141
Paul Dorio Diagnostic Radiology · Naples, FL	66	147
Eric Vensel Diagnostic Radiology · Fort Myers, FL	56	130
Daniel Singer Diagnostic Radiology · Naples, FL	39	87
Jorge Mujica Emergency Medicine · Naples, FL	32	46
NPI 1144273186	30	57
Roland Werres Cardiology · Naples, FL	30	51
BARNICOAT, CHARLES	29	33
Hunter Brown Emergency Medicine · Boca Raton, FL	26	45

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