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PROVIDER PROFILE · NPI 1851381685

David Sperling

Internal MedicineLarkspur, 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.
MEDICARE UTILIZATION · PART B · 2024
No data available for this provider in 2024.
PRESCRIBING · PART D · 2024
Total Rx claims
71
Beneficiaries
—
Total drug cost
$812
Distinct drugs
4
Brand share
0.0%
Top prescribed drugs
Metoprolol Succinate34 claims
Atorvastatin Calcium14 claims
Olmesartan Medoxomil12 claims
Losartan Potassium11 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where David Sperling'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). 66 inbound referrers · 0 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
MARIN GENERAL HOSPITAL7014,718
BAER, MARGARET160618
SUTTER BAY HOSPITALS155947
Arun Raghupathy
Interventional Cardiology · Larkspur, CA
134535
Adam Baumgarten
Cardiology · Larkspur, CA
132491
Mark Wexman
Cardiology · Larkspur, CA
125410
Ann Kao
Cardiology · Larkspur, CA
62145
John Shin
Ophthalmology · San Rafael, CA
59110
Philip Kurzman
Diagnostic Radiology · Greenbrae, CA
58201
Sujoya Dey
Clinical Cardiac Electrophysiology · Larkspur, CA
57351
ORWIG, DENNIS53187
Ucsf Dermatopathology Service
Clinical Laboratory · San Francisco, CA
4786
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.