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PROVIDER PROFILE · NPI 1003866351

Irving Weissman

OphthalmologyBrighton, MAI
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
75
Beneficiaries
—
Total drug cost
$1K
Distinct drugs
2
Brand share
0.0%
Top prescribed drugs
Latanoprost54 claims
Timolol Maleate21 claims
INDUSTRY PAYMENTS · OPEN PAYMENTS · 2024
No data available for this provider in 2024.
REFERRAL NETWORK

Where Irving Weissman'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). 3 inbound referrers · 11 outbound destinations.

Receives referrals from
Inbound — who sends patients here
PhysicianPatientsVisits
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
86147
Rosalind Rabin
Internal Medicine · Cambridge, MA
1922
Paul Fallon
Internal Medicine · Boston, MA
1529
Refers patients to
Outbound — where patients go next
PhysicianPatientsVisits
STEWARD ST. ELIZABETH'S MEDICAL CENTER OF BOSTON, INC.77167
Quest Diagnostics Massachusetts Llc
Clinical Laboratory · Marlborough, MA
72125
NPI 17800291732428
Rosalind Rabin
Internal Medicine · Cambridge, MA
2025
Delia Sang
Ophthalmology · Brookline, MA
1729
BETH ISRAEL DEACONESS MEDICAL CENTER, INC.1632
Paul Fallon
Internal Medicine · Boston, MA
1521
David Lee
Diagnostic Radiology · Boston, MA
1416
BRIGHAM & WOMENS HOSPITAL, INC.1426
Kevin Kaufmann
Ophthalmology · Brookline, MA
1318
Mikhail Mayskiy
Cardiology · Brighton, MA
1121
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.